Perbandingan Derajat Miopia pada Murid SMA di Kota Denganmurid SMA di Desa Tahun 2014

LEMBAR PENJELASAN KEPADA CALON SUBJEK PENELITIAN
Selamat pagi adik - adik, pada hari ini, saya dr.Vera Avliwani akan
melakukan penelitian yang berjudul “ Perbandingan Derajat Miopia pada
Murid SMA di Kota dengan Murid SMA di Desa Tahun 2014 ”. Penelitian
ini untuk menilai perbandingan derajat miopia pada murid SMA
berdasarkan jenis kelamin, riwayat anggota keluarga yang berkaca mata,
mulai berkaca mata, waktu lamanya membaca, menonton TV,
menggunakan komputer dan menggunakan handpone.Untuk menegakkan
derajat miopia dengan menggunakan alat snellen chart.
Pada adik – adik yang bersedia mengikuti penelitian ini nantinya akan
diharuskan mengisi surat persetujuan ikut dalam penelitian dan mengisi
kuisioner.
Segala biaya pemeriksaan ditanggung oleh peneliti dan tidak dibebankan
pada pasien. Bila masih terdapat pertanyaan, maka adik - adik dapat
menghubungi saya :
Nama : dr. Vera Avliwani
Alamat : Jl. Eka Surya Komp. Taman Monaco Blok C7. Medan.
Telepon/ HP : 082368611474
Persetujuan Setelah Penjelasan
Saya yang bertanda tangan di bawah ini :
Nama :

Alamat :
Dengan ini menyatakan setuju untuk dilakukan pemeriksaan dan
pengisian kuesioner untuk di masukkan kedalam data penelitian yang
berjudul Perbandingan Derajat Miopia Murid SMA di Kota Dengan Murid
SMA di Desa Tahun 2014.
Medan,

2014

Yang membuat pernyataan,

(................................................)

Universitas Sumatera Utara

Kuisioner
Nama :
Umur :

Jenis Kelamin :


Kelas :
Visus : -

OD :

Koreksi : - OD :

-

OS :

- OS :

Diagnosa :
Apakah ada anggota keluarga berkaca mata ?
a. Ayah dan Ibu.
b. Ayah atau Ibu (.......)
c. Kakak / Adik (........)
d. Tidak ada.

1. Sejak kapan mulai anda berkaca mata ?
a. SD
b. SMP
c. SMA
2. Berapa lama waktu yang di habiskan untuk kegiatan membaca /
mengerjakan

PR,

menonton

TV,menggunakan

komputer,

menggunakan handphone.
a. 1 - 2 jam (..........) / hari
b. 3 – 4 jam (..........) / hari
c. > 4 jam (..........) / hari


Universitas Sumatera Utara

No

SMA

Sex

Kaca
Mata

Derajat
Miopia

Ayah

Ibu

Lama
Waktu


Mulai
Agg.Kel

Ka.Mata

Membaca

1.

1

1

1

1

1


0

1

2.

1

1

1

1

1

0

1


3.

1

1

1

1

1

0

1

4.

1


1

1

1

1

0

5.

1

1

1

1


1

6.

1

1

1

1

7.

1

1

1


8.

1

1

1

TV
1

K'puter

Gadget

Membaca

4

0


9

1

6

6

1

1

2

2

2

4

1

1

1

0

12

0

1

0

1

2

6

1

13

1

1

0

2

3

1

5

2

1

1

1

0

2

1

0

5

0

1

1

1

0

2

1.5

5

0

4

1

0.5

0.5

9.

1

1

1

1

0

0

2

19.

1

1

1

1

0

0

2

2

3

0

0

1

1

1

3

1

11.

1

1

1

1

0

0

2

3

3

1

12.

1

1

1

1

0

0

2

0

0

4

1

13.

1

1

1

0

1

0

2

2

2

3

1

14.

1

1

1

0

1

0

2

3

2

1

1

15.

1

1

1

0

1

0

2

3

2

2

2

2

16.

1

1

1

0

1

0

2

1

5

3

3

2

1.5

2.5
0

1.5

1.5

17.

1

1

1

0

1

0

2

1

1

0

3

2

18.

1

1

1

0

0

1

2

2

1

0

8

2

19.

1

1

2

0

0

1

2

1

5

2

0

2

20.

1

1

2

0

0

1

2

1

3

5

1

2

21.

1

1

2

0

0

1

2

3

2

3

3

22.

1

1

2

0

0

1

2

2

3

3

3

23.

1

1

2

0

0

1

2

3

5

3

24.

1

1

2

0

0

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3

2

4

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3

0.5

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2
0.5
1

25.

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0

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3

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3

26.

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27.

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31.

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1

32.

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1

3

1

1

33.

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34.

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1

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2

1

35.

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36.

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37.

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38.

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2

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8

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39.

1

2

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0.5

Universitas Sumatera Utara

40.

1

2

1

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41.

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Universitas Sumatera Utara

81.

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Universitas Sumatera Utara

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Universitas Sumatera Utara

160.

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Keterangan :
1 . SMA
: 1.
kelas 1
1. Kelas 1

5. Mulai Berkaca Mata :

(B)

(H)

2. kelas 2
3. kelas 3

1
0.5

0

0.5

0.5

1.SD
2. SMP
3.SMA

2. Sex :

1.laki-laki

4. Blm pernah

(C)

2. Perempuan
6. Lama waktu anda:

3.
Derajat
Miopia
: 1.
Ringan

Miopia:

(D)

1.Ringan

(I-L)

1. membaca

2. Sedang

2. nonton TV.

3. Tinggi

3. Komputer.
4. HP/ Gadget

4.
Riwayat
Kaca
Mata :

keluarga berkaca mata

9. Prestasi

(E- G)

1. ada

(O)

0. tidak

Universitas Sumatera Utara

3

NO

SMA

Sex

Kaca
Mata

Derajat

Lama
Waktu

Mulai

Cara

Miopia

Ayah

Ibu

Agg.Kel

Ka.Mata

Membaca

TV

K'puter

Gadget

Membaca

Konsums

1.

1

1

1

1

1

0

1

1

3

1

1

1

2

2.

1

1

1

1

0

0

2

4.5

4

1

2

1

2

3.

1

1

1

0

0

0

4

2

1

3

3

3

3

4.

1

1

2

0

0

0

4

4

1

0.5

1

3

3

5.

1

2

1

1

0

0

1

0.5

0.5

0

0.5

1

1

6.

1

2

1

1

0

0

2

1

1

0

0

1

1

7.

1

2

1

1

0

0

2

1

4

2

1

1

2

8.

1

2

1

0

1

0

2

3

2

1

3

1

2

9.

1

2

1

0

1

0

2

3

4

1

4

2

2

10.

1

2

1

0

1

0

2

2

4

1

3

2

2

11.

1

2

1

0

0

1

2

1.5

1

0

1

2

2

12.

1

2

2

0

0

1

2

0

1

0

0

2

3

13.

1

2

2

0

0

1

2

3

2

1

6

2

0

14.

1

2

2

1

1

1

3

4

4

0.5

6

3

0

15.

1

2

2

1

1

1

3

4

4

0.5

4

3

0

16.

1

2

2

0

0

0

3

2

3

1

2

3

0

17.

1

2

2

0

0

0

4

3

3

2

0

3

0

18.

1

2

2

0

0

0

4

2

3

0

2

3

0

19.

2

1

1

1

1

0

2

4

7

2

3

1

1

20.

2

1

1

0

0

1

2

2

2

0

4

2

1

21.

2

1

2

0

0

0

4

1

3

1

1

2

3

22.

2

2

1

1

1

0

1

2

2

0

5

1

1

23.

2

2

1

1

0

0

1

2

3

3

6

1

1

24.

2

2

1

0

1

0

2

1

6

0

2

2

1

25.

2

2

1

0

1

0

2

2

3

1

2

2

2

26.

2

2

1

0

0

1

2

1.5

1.5

0

3

2

2

27.

2

2

2

0

0

1

2

3

3

0

3

2

2

28.

2

2

2

0

0

1

3

1

3

2

1

2

2

29.

2

2

2

0

0

0

4

1.5

2

0

3

2

3

30.

3

1

1

0

0

0

1

0.5

2

6

0.5

1

1

31.

3

1

1

0

0

0

1

1

0.5

3

3

1

1

32.

3

1

1

0

1

0

2

6

2

1

4

1

1

33.

3

1

1

0

0

1

3

1

4

2

7

2

2

34.

3

1

3

1

1

1

3

1

5

3

1

2

2

35.

3

1

3

0

0

0

3

1

2

1

7

3

0

36.

3

2

1

1

1

0

1

2

2

1.5

2

1

1

37.

3

2

1

1

1

0

1

3

8

0

7

1

1

38.

3

2

1

1

0

0

2

6

3

2

4

2

1

Universitas Sumatera Utara

39.

3

2

1

1

0

0

2

2

2

1

1

2

1

40.

3

2

1

0

1

0

2

2

4

1

1

2

1

41.

3

2

1

0

1

0

2

2

4

6

3

2

1

42.

3

2

1

0

0

1

3

0

0

0

4

2

1

43.

3

2

1

0

0

1

3

3

2

2

2

2

2

44.

3

2

1

0

0

1

3

1

2

1

5

2

2

45.

3

2

1

1

1

1

3

1

1

1

5

2

2

46.

3

2

1

1

1

1

3

3

2

1

3

2

2

47.

3

2

2

1

1

1

4

2

1

1

1

3

2

48.

3

2

2

0

0

0

4

1

3

2

12

3

2

49.

3

2

2

0

0

0

4

5

3

1

3

3

2

50.

3

2

2

0

0

0

4

4

2

2

9

3

2

51.

3

2

2

0

0

0

4

4

2

3

9

3

3

52.

3

2

2

0

0

0

4

3

2

0.5

3

3

0

Keterangan :
1 . SMA
: 1.
kelas 1
1. Kelas 1

5. Mulai Berkaca Mata :

7.Cara Membaca:

(B)

(H)

(M)

2. kelas 2
3. kelas 3

2. Sex :

1.laki-laki

(C)

2. Perempuan

1.SD
2. SMP

2. Duduk, jarak < 30cm

3.SMA

3. Sambil Tidur

4. Blm pernah
8. Konsumsi :
6. Lama waktu anda:

3.
Derajat
Miopia
: 1.
Ringan

Miopia:

(D)

1. Duduk, jarak 30cm

1.Ringan

(I-L)

(N)

1. Setiap hari.

1. membaca

2. setiap minggu.

2. Sedang

2. nonton TV.

3. Setiap Bulan.

3. Tinggi

3. Komputer.

0. Hampir tidak pernah.

4. HP/ Gadget
4.
Riwayat
Kaca
Mata :

keluarga berkaca mata

9. Prestasi

(E- G)

1. ada

(O)

0. tidak

Universitas Sumatera Utara

Oneway
Descriptives
Lama waktu untuk membaca

N
Ringan
Sedang
Tinggi
Total

Mean
2.25
2.07
1.57
2.19

165
48
7
220

Std. Deviation
1.518
1.135
.787
1.427

Std. Error
.118
.164
.297
.096

95% Confidence Interval for
Mean
Lower Bound Upper Bound
2.02
2.48
1.74
2.40
.84
2.30
2.00
2.38

Minimum
0
0
1
0

Maximum
7
5
3
7

Test of Homogeneity of Variances
Lama waktu untuk membaca
Levene
Statistic
3.655

df1
2

df2
217

Sig.
.027

ANOV A
Lama wakt u untuk membac a

Between Groups
W ithin Groups
Total

Sum of
Squares
3.961
442.021
445.982

df
2
217
219

Mean S quare
1.980
2.037

F
.972

Sig.
.380

Nonparametric Correlations
Correl ations

Spearman's rho

Derajat Miopia

Lama wakt u
untuk membac a

Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N

Derajat
Miopia
1.000
.
220
-.055
.421
220

Lama wakt u
untuk
membaca
-.055
.421
220
1.000
.
220

Universitas Sumatera Utara

Oneway

Descriptives
Lama waktu nonton TV (jam)

N
Ringan
Sedang
Tinggi
Total

Mean
2.37
2.30
3.57
2.39

165
48
7
220

Std. Deviation
1.791
1.197
1.813
1.687

Std. Error
.139
.173
.685
.114

95% Confidence Interval for
Mean
Lower Bound Upper Bound
2.09
2.64
1.95
2.65
1.90
5.25
2.17
2.61

Minimum
0
1
1
0

Maximum
12
5
6
12

Test of Homogeneity of Variances
Lama waktu nonton TV (jam)
Levene
Statistic
1.920

df1
2

df2
217

Sig.
.149

ANOV A
Lama wakt u nonton TV (jam)

Between Groups
W ithin Groups
Total

Sum of
Squares
10.243
612.896
623.139

df
2
217
219

Mean S quare
5.122
2.824

F
1.813

Sig.
.166

Nonparametric Correlations
Correl ations

Spearman's rho

Derajat Miopia

Lama wakt u
nonton TV (jam)

Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N

Derajat
Miopia
1.000
.
220
.082
.226
220

Lama wakt u
nonton TV
(jam)
.082
.226
220
1.000
.
220

Universitas Sumatera Utara

Oneway

Descriptives
Lama waktu menggunakan komputer (jam)

N
Ringan
Sedang
Tinggi
Total

Mean
1.85
1.33
1.86
1.74

165
48
7
220

Std. Deviation
1.776
1.589
1.464
1.734

95% Confidence Interval for
Mean
Lower Bound Upper Bound
1.58
2.12
.87
1.79
.50
3.21
1.51
1.97

Std. Error
.138
.229
.553
.117

Minimum
0
0
0
0

Maximum
12
7
4
12

Test of Homogeneity of Variances
Lama waktu menggunakan komputer (jam)
Levene
Statistic
.088

df1
2

df2
217

Sig.
.916

ANOV A
Lama wakt u menggunakan komputer (jam)

Between Groups
W ithin Groups
Total

Sum of
Squares
10.086
648.636
658.722

df
2
217
219

Mean S quare
5.043
2.989

F
1.687

Sig.
.187

Nonparametric Correlations
Correlations

Spearman's rho

Derajat Miopia

Lama waktu
menggunakan
komputer (jam)

Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N

Derajat
Miopia
1.000
.
220
-.125

Lama waktu
menggunak
an komputer
(jam)
-.125
.064
220
1.000

.064

.

220

220

Universitas Sumatera Utara

Oneway

Descriptives
Lama waktu menggunakan gadget (jam)

N
Ringan
Sedang
Tinggi
Total

Mean
4.63
4.50
3.00
4.55

165
48
7
220

Std. Deviation
3.655
3.952
2.517
3.689

Std. Error
.285
.570
.951
.249

95% Confidence Interval for
Mean
Lower Bound Upper Bound
4.07
5.20
3.35
5.65
.67
5.33
4.06
5.04

Minimum
0
0
1
0

Maximum
16
12
7
16

Test of Homogeneity of Variances
Lama waktu menggunakan gadget (jam)
Levene
Statistic
.920

df1
2

df2
217

Sig.
.400

ANOV A
Lama wakt u menggunakan gadget (jam)

Between Groups
W ithin Groups
Total

Sum of
Squares
18.123
2962.812
2980.935

df
2
217
219

Mean S quare
9.061
13.654

F
.664

Sig.
.516

Nonparametric Correlations
Correlations

Spearman's rho

Derajat Miopia

Lama waktu
menggunakan
gadget (jam)

Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N

Derajat
Miopia
1.000
.
220
-.070

Lama waktu
menggunak
an gadget
(jam)
-.070
.301
220
1.000

.301

.

220

220

Universitas Sumatera Utara

Frequencies

Frequency Table

Asal sekolah

Valid

Kota (SMA Negeri)
Desa (SMA Istiqlal)
Total

Frequency
168
52
220

Percent
76.4
23.6
100.0

Valid Percent
76.4
23.6
100.0

Cumulative
Percent
76.4
100.0

Ke las

Valid

Kelas 10
Kelas 11
Kelas 12
Total

Frequency
87
91
42
220

Percent
39.5
41.4
19.1
100.0

Valid P ercent
39.5
41.4
19.1
100.0

Cumulative
Percent
39.5
80.9
100.0

Jenis kelmin

Valid

Pria
Wanita
Total

Frequency
67
153
220

Percent
30.5
69.5
100.0

Valid Percent
30.5
69.5
100.0

Cumulative
Percent
30.5
100.0

Universitas Sumatera Utara

De raja t Miopi a

Valid

Ringan
Sedang
Tinggi
Total

Frequency
165
48
7
220

Percent
75.0
21.8
3.2
100.0

Valid P erc ent
75.0
21.8
3.2
100.0

Cumulative
Percent
75.0
96.8
100.0

Ayah pakai kaca mata

Valid

Tidak
Pakai
Total

Frequency
115
105
220

Percent
52.3
47.7
100.0

Valid Percent
52.3
47.7
100.0

Cumulative
Percent
52.3
100.0

Ibu pakai kaca mata

Valid

Tidak
Pakai
Total

Frequency
119
101
220

Percent
54.1
45.9
100.0

Valid Percent
54.1
45.9
100.0

Cumulative
Percent
54.1
100.0

Keluarga pakai kaca mata

Valid

Tidak
Pakai
Total

Frequency
175
45
220

Percent
79.5
20.5
100.0

Valid Percent
79.5
20.5
100.0

Cumulative
Percent
79.5
100.0

Universitas Sumatera Utara

Mulai pakai kaca mata

Valid

Bu ketauan
mulai SD
mulai SMP
mulai SMA
Total

Frequency
27
39
110
44
220

Percent
12.3
17.7
50.0
20.0
100.0

Valid Percent
12.3
17.7
50.0
20.0
100.0

Cumulative
Percent
12.3
30.0
80.0
100.0

Ca ra mem ba ca

Valid

Frequency
duduk jarak 30 cm
75
duduk jarak < 30 c m
59
sambil tidur
86
Total
220

Percent
34.1
26.8
39.1
100.0

Valid P erc ent
34.1
26.8
39.1
100.0

Cumulative
Percent
34.1
60.9
100.0

Konsumsi
Frequency
Valid

Tidak pernah/
kadang-kadang
Setiap hari
Setiap minggu
Setiap bulan
Total

Percent

Valid Percent

Cumulative
Percent

41

18.6

18.6

18.6

44
106
29
220

20.0
48.2
13.2
100.0

20.0
48.2
13.2
100.0

38.6
86.8
100.0

Universitas Sumatera Utara

Crosstabs

Kelas * Asal sekolah

Crosstab

Kelas

Kelas 10

Kelas 11

Kelas 12

Total

Count
Ex pec ted Count
% within K elas
% within A sal s ekolah
% of Total
Count
Ex pec ted Count
% within K elas
% within A sal s ekolah
% of Total
Count
Ex pec ted Count
% within K elas
% within A sal s ekolah
% of Total
Count
Ex pec ted Count
% within K elas
% within A sal s ekolah
% of Total

As al s ekolah
Kota (S MA Desa (SMA
Negeri)
Ist iqlal)
69
18
66.4
20.6
79.3%
20.7%
41.1%
34.6%
31.4%
8.2%
80
11
69.5
21.5
87.9%
12.1%
47.6%
21.2%
36.4%
5.0%
19
23
32.1
9.9
45.2%
54.8%
11.3%
44.2%
8.6%
10.5%
168
52
168.0
52.0
76.4%
23.6%
100.0%
100.0%
76.4%
23.6%

Total
87
87.0
100.0%
39.5%
39.5%
91
91.0
100.0%
41.4%
41.4%
42
42.0
100.0%
19.1%
19.1%
220
220.0
100.0%
100.0%
100.0%

Chi-Square Te sts

Pearson Chi-S quare
Lik elihood Ratio
Linear-by-Linear
As soc iation
N of V alid Cases

Value
29.686a
26.966
11.256

2
2

As ymp. Sig.
(2-sided)
.000
.000

1

.001

df

220

a. 0 c ells (.0% ) have expected count less than 5. The
minimum expected count is 9.93.

Universitas Sumatera Utara

Jenis kelmin * Asal sekolah

Crosstab

Jenis k elmin

Pria

W anita

Total

As al s ekolah
Kota (S MA Desa (SMA
Negeri)
Ist iqlal)
Count
54
13
Ex pec ted Count
51.2
15.8
% within Jenis kelmin
80.6%
19.4%
% within A sal s ekolah
32.1%
25.0%
% of Total
24.5%
5.9%
Count
114
39
Ex pec ted Count
116.8
36.2
% within Jenis kelmin
74.5%
25.5%
% within A sal s ekolah
67.9%
75.0%
% of Total
51.8%
17.7%
Count
168
52
Ex pec ted Count
168.0
52.0
% within Jenis kelmin
76.4%
23.6%
% within A sal s ekolah
100.0%
100.0%
% of Total
76.4%
23.6%

Total
67
67.0
100.0%
30.5%
30.5%
153
153.0
100.0%
69.5%
69.5%
220
220.0
100.0%
100.0%
100.0%

Chi-Square Tests

Pearson Chi-Square
Continuity Correction a
Likelihood Ratio
Fis her's Exact Test
Linear-by-Linear
As sociation
N of Valid Cases

Value
.957b
.649
.982

.952

df
1
1
1

1

As ymp. Sig.
(2-sided)
.328
.420
.322

Exact Sig.
(2-sided)

Exact Sig.
(1-sided)

.390

.212

.329

220

a. Computed only for a 2x2 table
b. 0 cells (.0%) have expected count less than 5. The minimum expected count is 15.
84.

Universitas Sumatera Utara

Derajat Miopia * Asal sekolah

Crosstab

Derajat
Miopia

Ringan

Sedang

Tinggi

Total

As al sekolah
Kota (SMA
Desa (SMA
Negeri)
Istiqlal)
133
32
126.0
39.0
80.6%
19.4%
79.2%
61.5%
60.5%
14.5%
30
18
36.7
11.3
62.5%
37.5%
17.9%
34.6%
13.6%
8.2%
5
2
5.3
1.7
71.4%
28.6%
3.0%
3.8%
2.3%
.9%
168
52
168.0
52.0
76.4%
23.6%
100.0%
100.0%
76.4%
23.6%

Count
Expected Count
% within Derajat Miopia
% within As al s ekolah
% of Total
Count
Expected Count
% within Derajat Miopia
% within As al s ekolah
% of Total
Count
Expected Count
% within Derajat Miopia
% within As al s ekolah
% of Total
Count
Expected Count
% within Derajat Miopia
% within As al s ekolah
% of Total

Total
165
165.0
100.0%
75.0%
75.0%
48
48.0
100.0%
21.8%
21.8%
7
7.0
100.0%
3.2%
3.2%
220
220.0
100.0%
100.0%
100.0%

Chi-Square Te sts

Pearson Chi-S quare
Lik elihood Ratio
Linear-by-Linear
As soc iation
N of V alid Cases

Value
6.851a
6.407
5.084

2
2

As ymp. Sig.
(2-sided)
.033
.041

1

.024

df

220

a. 1 c ells (16.7%) have ex pec ted c ount les s than 5. The
minimum expected count is 1.65.

Universitas Sumatera Utara

Ayah pakai kaca mata * Asal sekolah

Crosstab

Ay ah pakai
kaca mata

Tidak

Pakai

Total

Count
Ex pec ted Count
% within A yah pak ai
kaca mata
% within A sal sekolah
% of Total
Count
Ex pec ted Count
% within A yah pak ai
kaca mata
% within A sal sekolah
% of Total
Count
Ex pec ted Count
% within A yah pak ai
kaca mata
% within A sal sekolah
% of Total

As al s ekolah
Kota (S MA Desa (SMA
Negeri)
Ist iqlal)
81
34
87.8
27.2

Total
115
115.0

70.4%

29.6%

100.0%

48.2%
36.8%
87
80.2

65.4%
15.5%
18
24.8

52.3%
52.3%
105
105.0

82.9%

17.1%

100.0%

51.8%
39.5%
168
168.0

34.6%
8.2%
52
52.0

47.7%
47.7%
220
220.0

76.4%

23.6%

100.0%

100.0%
76.4%

100.0%
23.6%

100.0%
100.0%

Chi-Square Tests

Pearson Chi-Square
Continuity Correction a
Likelihood Ratio
Fis her's Exact Test
Linear-by-Linear
As sociation
N of Valid Cases

Value
4.693b
4.030
4.763

4.671

df
1
1
1

1

As ymp. Sig.
(2-sided)
.030
.045
.029

Exact Sig.
(2-sided)

Exact Sig.
(1-sided)

.039

.022

.031

220

a. Computed only for a 2x2 table
b. 0 cells (.0%) have expected count less than 5. The minimum expected count is 24.
82.

Universitas Sumatera Utara

Ibu pakai kaca mata * Asal sekolah

Crosstab

Ibu pak ai k aca
mata

Tidak

Pakai

Total

Count
Ex pec ted Count
% within Ibu pakai
kaca mata
% within A sal s ekolah
% of Total
Count
Ex pec ted Count
% within Ibu pakai
kaca mata
% within A sal s ekolah
% of Total
Count
Ex pec ted Count
% within Ibu pakai
kaca mata
% within A sal s ekolah
% of Total

As al s ekolah
Kota (S MA Desa (SMA
Negeri)
Ist iqlal)
86
33
90.9
28.1

Total
119
119.0

72.3%

27.7%

100.0%

51.2%
39.1%
82
77.1

63.5%
15.0%
19
23.9

54.1%
54.1%
101
101.0

81.2%

18.8%

100.0%

48.8%
37.3%
168
168.0

36.5%
8.6%
52
52.0

45.9%
45.9%
220
220.0

76.4%

23.6%

100.0%

100.0%
76.4%

100.0%
23.6%

100.0%
100.0%

Chi-Square Tests

Pearson Chi-Square
Continuity Correction a
Likelihood Ratio
Fis her's Exact Test
Linear-by-Linear
As sociation
N of Valid Cases

Value
2.408b
1.939
2.437

2.397

df
1
1
1

1

As ymp. Sig.
(2-sided)
.121
.164
.119

Exact Sig.
(2-sided)

Exact Sig.
(1-sided)

.152

.081

.122

220

a. Computed only for a 2x2 table
b. 0 cells (.0%) have expected count less than 5. The minimum expected count is 23.
87.

Universitas Sumatera Utara

Keluarga pakai kaca mata * Asal sekolah

Crosstab

Keluarga pakai
kaca mata

Tidak

Pakai

Total

Count
Ex pec ted Count
% within K eluarga
pakai k aca mata
% within A sal sekolah
% of Total
Count
Ex pec ted Count
% within K eluarga
pakai k aca mata
% within A sal sekolah
% of Total
Count
Ex pec ted Count
% within K eluarga
pakai k aca mata
% within A sal sekolah
% of Total

As al s ekolah
Kota (S MA Desa (SMA
Negeri)
Ist iqlal)
140
35
133.6
41.4

Total
175
175.0

80.0%

20.0%

100.0%

83.3%
63.6%
28
34.4

67.3%
15.9%
17
10.6

79.5%
79.5%
45
45.0

62.2%

37.8%

100.0%

16.7%
12.7%
168
168.0

32.7%
7.7%
52
52.0

20.5%
20.5%
220
220.0

76.4%

23.6%

100.0%

100.0%
76.4%

100.0%
23.6%

100.0%
100.0%

Chi-Square Tests

Pearson Chi-Square
Continuity Correction a
Likelihood Ratio
Fis her's Exact Test
Linear-by-Linear
As sociation
N of Valid Cases

Value
6.268b
5.322
5.807

6.239

df
1
1
1

1

As ymp. Sig.
(2-sided)
.012
.021
.016

Exact Sig.
(2-sided)

Exact Sig.
(1-sided)

.018

.012

.012

220

a. Computed only for a 2x2 table
b. 0 cells (.0%) have expected count less than 5. The minimum expected count is 10.
64.

Universitas Sumatera Utara

Mulai pakai kaca mata * Asal sekolah
Crosstab

Mulai
pakai
kaca mata

Bu ketauan

mulai SD

mulai SMP

mulai SMA

Total

Count
Expected Count
% within Mulai pakai
kaca mata
% within As al s ekolah
% of Total
Count
Expected Count
% within Mulai pakai
kaca mata
% within As al s ekolah
% of Total
Count
Expected Count
% within Mulai pakai
kaca mata
% within As al s ekolah
% of Total
Count
Expected Count
% within Mulai pakai
kaca mata
% within As al s ekolah
% of Total
Count
Expected Count
% within Mulai pakai
kaca mata
% within As al s ekolah
% of Total

As al sekolah
Kota (SMA
Desa (SMA
Negeri)
Istiqlal)
15
12
20.6
6.4

Total
27
27.0

55.6%

44.4%

100.0%

8.9%
6.8%
31
29.8

23.1%
5.5%
8
9.2

12.3%
12.3%
39
39.0

79.5%

20.5%

100.0%

18.5%
14.1%
90
84.0

15.4%
3.6%
20
26.0

17.7%
17.7%
110
110.0

81.8%

18.2%

100.0%

53.6%
40.9%
32
33.6

38.5%
9.1%
12
10.4

50.0%
50.0%
44
44.0

72.7%

27.3%

100.0%

19.0%
14.5%
168
168.0

23.1%
5.5%
52
52.0

20.0%
20.0%
220
220.0

76.4%

23.6%

100.0%

100.0%
76.4%

100.0%
23.6%

100.0%
100.0%

Chi-Square Te sts

Pearson Chi-S quare
Lik elihood Ratio
Linear-by-Linear
As soc iation
N of V alid Cases

Value
8.823a
8.065
2.170

3
3

As ymp. Sig.
(2-sided)
.032
.045

1

.141

df

220

a. 0 c ells (.0% ) have expected count less than 5. The
minimum expected count is 6.38.

Universitas Sumatera Utara

Cara membaca * Asal sekolah

Crosstab

Cara
membaca

Total

duduk jarak 30 cm

Count
Ex pec ted Count
% within Cara membac a
% within A sal s ekolah
% of Total
duduk jarak < 30 cm Count
Ex pec ted Count
% within Cara membac a
% within A sal s ekolah
% of Total
sambil tidur
Count
Ex pec ted Count
% within Cara membac a
% within A sal s ekolah
% of Total
Count
Ex pec ted Count
% within Cara membac a
% within A sal s ekolah
% of Total

As al s ekolah
Kota (S MA Desa (SMA
Negeri)
Ist iqlal)
61
14
57.3
17.7
81.3%
18.7%
36.3%
26.9%
27.7%
6.4%
24
35
45.1
13.9
59.3%
40.7%
20.8%
46.2%
10.9%
15.9%
72
14
65.7
20.3
83.7%
16.3%
42.9%
26.9%
32.7%
6.4%
168
52
168.0
52.0
76.4%
23.6%
100.0%
100.0%
76.4%
23.6%

Chi-Square Te sts

Pearson Chi-S quare
Lik elihood Ratio
Linear-by-Linear
As soc iation
N of V alid Cases

Value
13.098a
12.269
.232

2
2

As ymp. Sig.
(2-sided)
.001
.002

1

.630

df

220

a. 0 c ells (.0% ) have expected count less than 5. The
minimum expected count is 13. 95.

Universitas Sumatera Utara

Total
75
75.0
100.0%
34.1%
34.1%
59
59.0
100.0%
26.8%
26.8%
86
86.0
100.0%
39.1%
39.1%
220
220.0
100.0%
100.0%
100.0%

Konsumsi * Asal sekolah

Crosstab

Konsumsi

Tidak pernah/
kadang-kadang

Setiap hari

Setiap minggu

Setiap bulan

Total

Count
Expected Count
% within Konsumsi
% within As al sekolah
% of Total
Count
Expected Count
% within Konsumsi
% within As al sekolah
% of Total
Count
Expected Count
% within Konsumsi
% within As al sekolah
% of Total
Count
Expected Count
% within Konsumsi
% within As al sekolah
% of Total
Count
Expected Count
% within Konsumsi
% within As al sekolah
% of Total

As al sekolah
Kota (SMA
Desa (SMA
Negeri)
Istiqlal)
33
8
31.3
9.7
80.5%
19.5%
15.4%
19.6%
15.0%
3.6%
27
17
33.6
10.4
61.4%
38.6%
16.1%
32.7%
12.3%
7.7%
85
21
80.9
25.1
80.2%
19.8%
50.6%
40.4%
38.6%
9.5%
23
6
22.1
6.9
79.3%
20.7%
13.7%
11.5%
10.5%
2.7%
168
52
168.0
52.0
76.4%
23.6%
100.0%
100.0%
76.4%
23.6%

Total
41
41.0
100.0%
18.6%
18.6%
44
44.0
100.0%
20.0%
20.0%
106
106.0
100.0%
48.2%
48.2%
29
29.0
100.0%
13.2%
13.2%
220
220.0
100.0%
100.0%
100.0%

Universitas Sumatera Utara

Chi-Square Te sts

Pearson Chi-S quare
Lik elihood Ratio
Linear-by-Linear
As soc iation
N of V alid Cases

Value
6.870a
6.341
.471

3
3

As ymp. Sig.
(2-sided)
.076
.096

1

.493

df

220

a. 0 c ells (.0% ) have expected count less than 5. The
minimum expected count is 6.85.

Universitas Sumatera Utara

NPar Tests (Kota)

One-Sample Kolmogorov-Smirnov Test

N
Normal Parametersa,b
Most Extreme
Differences

Mean
Std. Deviation
Absolute
Positive
Negative

Kolmogorov-Smirnov Z
As ymp. Sig. (2-tailed)

Lama waktu
untuk
membaca
168
2.17
1.432
.209
.209
-.099
2.705
.000

Lama waktu
nonton TV
(jam)
168
2.30
1.716
.188
.188
-.100
2.440
.000

Lama waktu
menggunak
an komputer
(jam)
168
1.88
1.823
.182
.182
-.151
2.363
.000

Lama waktu
menggunak
an gadget
(jam)
168
4.96
3.897
.174
.174
-.119
2.257
.000

Rangk ing
Kelas
168
14.53
9.762
.155
.155
-.083
2.007
.001

a. Test distribution is Normal.
b. Calculated from data.

NPar Tests (Desa)

One-Sample Kolm ogorov-Sm irnov Test

N
Normal Parametersa,b
Most Extreme
Differences

Mean
Std. Deviation
Absolute
Positive
Negative

Kolmogorov-Smirnov Z
As ymp. Sig. (2-tailed)

Lama waktu
untuk
membaca
52
2.25
1.423
.204
.204
-.113
1.474
.026

Lama waktu
nonton TV
(jam)
52
2.68
1.569
.188
.188
-.120
1.352
.052

Lama waktu
menggunak
an komputer
(jam)
52
1.28
1.323
.257
.257
-.167
1.850
.002

Lama waktu
menggunak
an gadget
(jam)
52
3.25
2.541
.193
.193
-.100
1.392
.041

Rangk ing
Kelas
52
14.21
7.812
.107
.107
-.069
.771
.592

a. Test distribution is Normal.
b. Calculated from data.

Universitas Sumatera Utara

T-Test

Group Statistics

Lama waktu
untuk membaca
Lama waktu
nonton TV (jam)
Lama waktu
menggunakan
k
t (j )
Lama
waktu
menggunakan
gadget
(jam)
Rangking
Kelas

As al sekolah
Kota (SMA Negeri)
Desa (SMA Istiqlal)
Kota (SMA Negeri)
Desa (SMA Istiqlal)

168
52
168

Mean
2.17
2.25
2.30

Std. Deviation
1.432
1.423
1.716

Std. Error
Mean
.110
.197
.132

52

2.68

1.569

.218

168
52
168
52
168
52

1.88
1.28
4.96
3.25
14.53
14.21

1.823
1.323
3.897
2.541
9.762
7.812

.141
.183
.301
.352
.753
1.083

N

Kota (SMA Negeri)
Desa (SMA Istiqlal)
Kota (SMA Negeri)
Desa (SMA Istiqlal)
Kota (SMA Negeri)
Desa (SMA Istiqlal)

Independent Samples Test
Levene's Test for
Equality of Variances

F
Lama waktu
untuk membaca

Lama waktu
nonton TV (jam)

Lama waktu
menggunakan
komputer (jam)
Lama waktu
menggunakan
gadget (jam)
Rangking Kelas

Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed
Equal variances
assumed
Equal variances
not assumed

.063

.420

5.069

11.615

5.087

Sig.
.803

.517

.025

.001

.025

t-test for Equality of Means

t

df

Sig. (2-tailed)

Mean
Difference

Std. Error
Difference

95% Confidence
Interval of the
Difference
Lower
Upper

-.341

218

.733

-.077

.227

-.525

.370

-.342

85.431

.733

-.077

.226

-.527

.372

-1.436

218

.152

-.384

.267

-.910

.143

-1.506

91.922

.135

-.384

.255

-.889

.122

2.207

218

.028

.602

.273

.064

1.140

2.605

116.350

.010

.602

.231

.144

1.060

2.967

218

.003

1.707

.575

.573

2.841

3.685

131.078

.000

1.707

.463

.791

2.623

.215

218

.830

.318

1.483

-2.604

3.240

.241

104.735

.810

.318

1.319

-2.298

2.935

Universitas Sumatera Utara

NPar Tests

Mann-Whitney Test

Ra nks
Lama wakt u
untuk membac a
Lama wakt u
nonton TV (jam)
Lama wakt u
menggunakan
komputer (jam)

As al s ekolah
Kota (S MA Negeri)
Desa (SMA Ist iqlal)
Total
Kota (S MA Negeri)
Desa (SMA Ist iqlal)
Total
Kota (S MA Negeri)
Desa (SMA Ist iqlal)
Total

N
168
52
220
168
52
220
168
52

Mean Rank
109.69
113.12

Sum of Ranks
18428. 00
5882.00

106.03
124.93

17813. 50
6496.50

115.46
94.47

19397. 50
4912.50

116.72
90.39

19609. 50
4700.50

109.49
113.75

18395. 00
5915.00

Lama wakt u
menggunak
an komput er
(jam)
3534.500
4912.500
-2. 119
.034

Lama wakt u
menggunak
an gadget
(jam)
3322.500
4700.500
-2. 624
.009

220
Lama wakt u
menggunakan
gadget (jam)
Rangk ing K elas

Kota (S MA Negeri)
Desa (SMA Ist iqlal)
Total
Kota (S MA Negeri)
Desa (SMA Ist iqlal)
Total

168
52
220
168
52
220

Te st S tatisticsa
Lama wakt u
untuk
membaca
Mann-W hit ney U
4232.000
W ilcox on W
18428. 000
Z
-.347
As ymp. Sig. (2-tailed)
.729

Lama wakt u
nonton TV
(jam)
3617.500
17813. 500
-1. 905
.057

Rangk ing
Kelas
4199.000
18395. 000
-.422
.673

a. Grouping V ariable: Asal sek olah

Universitas Sumatera Utara

Nonparametric Correlations (Kota)

Correlations

Spearman's rho

Derajat Miopia

Lama waktu
untuk membaca
Lama waktu
nonton TV (jam)

Lama waktu
menggunakan
komputer (jam)
Lama waktu
menggunakan
gadget (jam)
Rangking Kelas

Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N

Lama waktu
menggunak
an komputer
(jam)
-.115
.136
168
.182*
.018
168
-.008
.919

Lama waktu
menggunak
an gadget
(jam)
-.069
.376
168
.066
.399
168
.095
.220

Derajat
Miopia
1.000
.
168
-.130
.094
168
.060
.440

Lama waktu
untuk
membaca
-.130
.094
168
1.000
.
168
-.039
.613

Lama waktu
nonton TV
(jam)
.060
.440
168
-.039
.613
168
1.000
.

168

168

168

168

168

168

-.115
.136
168
-.069
.376
168
.018
.819
168

.182*
.018
168
.066
.399
168
-.703**
.000
168

-.008
.919
168
.095
.220
168
-.103
.186
168

1.000
.
168
-.169*
.029
168
-.230**
.003
168

-.169*
.029
168
1.000
.
168
.023
.762
168

-.230**
.003
168
.023
.762
168
1.000
.
168

Rangking
Kelas
.018
.819
168
-.703**
.000
168
-.103
.186

*. Correlation is s ignificant at the 0.05 level (2-tailed).
**. Correlation is s ignificant at the 0.01 level (2-tailed).

Oneway (Kota)

Universitas Sumatera Utara

Descriptives

Ringan
Sedang
Tinggi
Total
Ringan
Sedang
Tinggi
Total
Ringan
Sedang
Tinggi

133
30
5
168
133
30
5
168
133
30

Mean
2.29
1.73
1.80
2.17
2.28
2.18
3.60
2.30
1.96
1.53

Std. Deviation
1.540
.796
.837
1.432
1.775
1.336
1.949
1.716
1.820
1.880

Std. Error
.134
.145
.374
.110
.154
.244
.872
.132
.158
.343

5

1.80

1.643

.735

-.24

3.84

0

4

Total

168

1.88

1.823

.141

1.60

2.16

0

12

Ringan
Sedang
Tinggi
Total

133
30
5

5.04
5.00
2.60

3.869
4.210
2.074

.336
.769
.927

4.37
3.43
.03

5.70
6.57
5.17

0
0
1

16
12
6

168

4.96

3.897

.301

4.36

5.55

0

16

133
30
5
168

14.59
15.27
8.40
14.53

10.169
7.982
7.266
9.762

.882
1.457
3.250
.753

12.85
12.29
-.62
13.04

16.34
18.25
17.42
16.02

1
4
3
1

39
37
21
39

N
Lama waktu
untuk membaca

Lama waktu
nonton TV (jam)

Lama waktu
menggunakan
komputer (jam)

Lama waktu
menggunakan
gadget (jam)

Rangking Kelas

95% Confidence Interval for
Mean
Lower Bound Upper Bound
2.02
2.55
1.44
2.03
.76
2.84
1.95
2.39
1.97
2.58
1.68
2.68
1.18
6.02
2.56
2.04
1.65
2.27
.83
2.24

Ringan
Sedang
Tinggi
Total

Minimum
0
1
1
0
0
1
1
0
0
0

Maximum
7
4
3
7
12
5
6
12
12
7

Test of Homogeneity of Variances
Levene
Statistic
Lama waktu
untuk membaca
Lama waktu
nonton TV (jam)
Lama waktu
menggunakan
komputer (jam)
Lama waktu
menggunakan
gadget (jam)
Rangking Kelas

df1

df2

Sig.

6.999

2

165

.001

.479

2

165

.620

.335

2

165

.716

1.283

2

165

.280

3.784

2

165

.025

Universitas Sumatera Utara

ANOVA

Lama waktu
untuk membaca
Lama waktu
nonton TV (jam)
Lama waktu
menggunakan
komputer (jam)

Lama waktu
menggunakan
gadget (jam)
Rangking Kelas

Between Groups
Within Groups
Total
Between Groups
Within Groups
Total
Between Groups
Within Groups
Total

Between Groups
Within Groups
Total
Between Groups
Within Groups
Total

Sum of
Squares
8.185
334.310
342.494
8.933
482.850
491.782
4.540
550.579

df
2
165
167
2
165
167
2
165

555.119

167

28.657
2507.343
2536.000
204.709
15709.142
15913.851

2
165
167
2
165
167

Mean Square
4.092
2.026

F
2.020

Sig.
.136

4.466
2.926

1.526

.220

2.270
3.337

.680

.508

14.328
15.196

.943

.392

102.355
95.207

1.075

.344

Universitas Sumatera Utara

Nonparametric Correlations (Desa)

Correlations

Spearman's rho

Derajat Miopia

Lama waktu
untuk membaca
Lama waktu
nonton TV (jam)

Lama waktu
menggunakan
komputer (jam)
Lama waktu
menggunakan
gadget (jam)
Rangking Kelas

Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N
Correlation Coefficient
Sig. (2-tailed)
N

Derajat
Miopia
1.000
.
52
.111
.432
52
.049
.728

Lama waktu
untuk
membaca
.111
.432
52
1.000
.
52
.265
.058

Lama waktu
nonton TV
(jam)
.049
.728
52
.265
.058
52
1.000
.

Lama waktu
menggunak
an komputer
(jam)
-.032
.821
52
.071
.617
52
.209
.138

52

52

52

52

52

52

.209
.138
52
.117
.409
52
-.259
.063
52

1.000
.
52
.083
.560
52
.017
.907
52

.083
.560
52
1.000
.
52
-.045
.750
52

.017
.907
52
-.045
.750
52
1.000
.
52

-.032
.821
52
.023
.870
52
-.079
.576
52

.071
.617
52
.311*
.025
52
-.426**
.002
52

Lama waktu
menggunak
an gadget
(jam)
.023
.870
52
.311*
.025
52
.117
.409

Rangking
Kelas
-.079
.576
52
-.426**
.002
52
-.259
.063

*. Correlation is significant at the 0.05 level (2-tailed).
**. Correlation is significant at the 0.01 level (2-tailed).

Universitas Sumatera Utara

Oneway (Desa)
Descriptives

N
Lama waktu
untuk membaca

Lama waktu
nonton TV (jam)

Lama waktu
menggunakan
komputer (jam)

Lama waktu
menggunakan
gadget (jam)

Rangking Kelas

Ringan
Sedang
Tinggi
Total
Ringan
Sedang
Tinggi
Total
Ringan
Sedang
Tinggi

32
18
2
52
32
18
2
52
32
18

Mean
2.11
2.64
1.00
2.25
2.73
2.50
3.50
2.68
1.39
1.00

Std. Deviation
1.435
1.391
.000
1.423
1.836
.924
2.121
1.569
1.517
.874

Std. Error
.254
.328
.000
.197
.325
.218
1.500
.218
.268
.206

2

2.00

1.414

1.000

Total

52

1.28

1.323

Ringan
Sedang
Tinggi
Total

32
18
2

2.97
3.67
4.00

1.836
3.430
4.243

52

3.25

32
18
2
52

15.16
11.33
25.00
14.21

Ringan
Sedang
Tinggi
Total

95% Confidence Interval for
Mean
Lower Bound Upper Bound
1.59
2.63
1.95
3.33
1.00
1.00
1.85
2.65
2.07
3.40
2.04
2.96
-15.56
22.56
2.25
3.12
.84
1.94
.57
1.43

Minimum
0
0
1
0
0
1
2
0
0
0

Maximum
6
5
1
6
8
4
5
8
6
3

-10.71

14.71

1

3

.183

.91

1.65

0

6

.325
.808
3.000

2.31
1.96
-34.12

3.63
5.37
42.12

0
0
1

7
12
7

2.541

.352

2.54

3.96

0

12

7.923
6.589
4.243
7.812

1.401
1.553
3.000
1.083

12.30
8.06
-13.12
12.04

18.01
14.61
63.12
16.39

4
1
22
1

30
26
28
30

Test of Homogeneity of Variances
Levene
Statistic
Lama waktu
untuk membaca
Lama waktu
nonton TV (jam)
Lama waktu
menggunakan
komputer (jam)
Lama waktu
menggunakan
gadget (jam)
Rangking Kelas

df1

df2

Sig.

1.635

2

49

.205

2.775

2

49

.072

1.203

2

49

.309

4.483

2

49

.016

1.923

2

49

.157

Universitas Sumatera Utara

ANOVA

Lama waktu
untuk membaca
Lama waktu
nonton TV (jam)
Lama waktu
menggunakan
komputer (jam)

Lama waktu
menggunakan
gadget (jam)
Rangking Kelas

Between Groups
Within Groups
Total
Between Groups
Within Groups
Total
Between Groups
Within Groups
Total

Between Groups
Within Groups
Total
Between Groups
Within Groups
Total

Sum of
Squares
6.480
96.770
103.250
2.022
123.492
125.514
2.840
86.367

df
2
49
51
2
49
51
2
49

89.207

51

6.781
322.469
329.250
410.454
2702.219
3112.673

2
49
51
2
49
51

Mean Square
3.240
1.975

F
1.641

Sig.
.204

1.011
2.520

.401

.672

1.420
1.763

.806

.453

3.391
6.581

.515

.601

205.227
55.147

3.721

.031

Universitas Sumatera Utara