CONSTRUCTION OF THE WEIGHT VELOCITY STANDARDS
Age (months)
Figure A3.3 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 1-month weight velocity for boys
Fitted Empirical
95th 1-mo weight increment (g)
500 75th
50th
Weight veloc
25th
5th ity conditi
1 2 3 4 5 6 7 8 9 10 11 12 ona l on age
Age (months)
Figure A3.4 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 1-month weight velocity for boys
Weight veloc
3rd Centile
5th Centile
10th Centile
ity conditi
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
Empirical-Fitted Centile for 1-mo weight increment (g)
Age (months)
Figure A3.5 Centile residuals from fitting selected model for 1-month weight velocity for boys
40 Weight velocity conditional on age
A3.1b 1-month intervals for girls
Table A3.2 0.05 Q-test for z-scores from selected model [BCPE(x=age , df(µ)=9, df( σ)=4, df( ν)=1, τ=2)] for 1-month weight velocity for girls Age (days)
Group N z1 z2 z3
26 to 44
0-1 mo
446 -0.1 0.7 -0.5
441 -1.0 0.5 1.7 107 to 137
76 to 107
2-3 mo
436 0.8 -2.0 -1.9 137 to 168
3-4 mo
438 -0.2 1.0 0.3 168 to 198
4-5 mo
439 0.7 -2.0 -0.6 198 to 229
5-6 mo
440 -1.2 1.4 -0.3 229 to 259
433 -0.9 1.3 -1.1 289 to 320
8-9 mo
431 -0.1 -0.8 1.5 320 to 350
9-10 mo
423 -0.1 -0.2 -0.6 350 to 370
10-11 mo
430 0.3 -0.1 0.4 Overall Q stats
11-12 mo
5231 6.7 14.5 16.0 degrees of freedom
3.0 9.5 11.0 p-value 0.0832 0.1278 0.1422
Note: Absolute values of z1, z2 or z3 larger than 2 indicate misfit of, respectively, mean, variance or skewness.
41
Weight velocity conditional on age
8-9 mo 8-9 mo 8-9 mo
9-10 mo 9-10 mo 9-10 mo
10-11 mo 10-11 mo 10-11 mo
11-12 mo 11-12 mo 11-12 mo
0.05
Figure A3.6 Worm plots from selected model [BCPE(x=age , df(µ)=9, df( σ)=4, df(ν)=1, τ=2)] for 1-month weight velocity for girls
o 1200 rm
mo weight
Dev Box-
Median of
Age (months)
Age (months)
Weight veloc
ity conditi
Age (months)
l on age
Figure A3.7 Fitting of the µ, σ, and ν curves of selected model for 1-month weight velocity for girls
Weight veloc
ity conditi
Fitted Empirical
ona l on age
97th 90th
500 1-mo weight increment (g)
50th
10th 3rd
Age (months)
Figure A3.8 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 1-month weight velocity for girls
Fitted Empirical
95th 500
1-mo weight increment (g) 75th 50th
Weight veloc
25th
ity conditi
5th
1 2 3 4 5 6 7 8 9 10 11 12 ona l on age
Age (months)
Figure A3.9 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 1-month weight velocity for girls
Weight veloc
3rd Centile
5th Centile
10th Centile
ity conditi
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
40 40 40 20 20 20 Empirical-Fitted Centile for 1-mo weight increment (g) 0 0 0
Age (months)
Figure A3.10 Centile residuals from fitting selected model for 1-month weight velocity for girls
46 Weight velocity conditional on age
A3.2a 2-month intervals for boys
Table A3.3 0.05 Q-test for z-scores from selected model [BCPE(x=age , df(µ)=12, df( σ)=6, df( ν)=3, τ=2)] for 2-month weight velocity for boys Age (days)
Group N z1 z2 z3
55 to 76
0-2 mo
419 -0.2 0.4 -0.7
413 1.1 -0.3 -0.3 107 to 137
76 to 107
1-3 mo
407 -0.9 -0.1 1.2 137 to 168
2-4 mo
406 0.4 -1.1 -0.1 168 to 198
3-5 mo
406 0.1 1.5 -0.8 198 to 229
4-6 mo
404 -0.4 -0.4 0.1 229 to 259
5-7 mo
408 -0.1 1.0 1.9 259 to 289
6-8 mo
397 0.3 -0.5 1.1 289 to 320
7-9 mo
392 0.3 -1.3 -0.1 320 to 350
8-10 mo
399 -0.2 -0.8 2.3 350 to 396
9-11 mo
386 0.1 0.3 -1.4 396 to 457
10-12 mo
399 0.0 1.9 -0.2 457 to 518
12-14 mo
406 -1.1 0.3 -0.2 518 to 579
14-16 mo
406 0.8 -0.3 0.6 579 to 640
16-18 mo
410 -0.1 0.2 -1.4 640 to 701
18-20 mo
413 0.1 -0.8 1.0 701 to 738
20-22 mo
0.0 0.1 1.0 Overall Q stats
22-24 mo
411
6882 4.4 11.6 19.3 degrees of freedom
5.0 13.5 14.0 p-value 0.4921 0.6004 0.1555
Note: Absolute values of z1, z2 or z3 larger than 2 indicate misfit of, respectively, mean, variance or skewness.
Weight velocity conditional on age
20-22 mo 20-22 mo 20-22 mo
22-24 mo 22-24 mo 22-24 mo
10-12 mo 10-12 mo 10-12 mo
12-14 mo 12-14 mo 12-14 mo
14-16 mo 14-16 mo 14-16 mo
16-18 mo 16-18 mo 16-18 mo
18-20 mo 18-20 mo 18-20 mo
8-10 mo 8-10 mo 8-10 mo
9-11 mo 9-11 mo 9-11 mo
Figure A3.11 Worm plots from selected model [BCPE(x=age , df(µ)=12, df( σ)=6, df(ν)=3, τ=2)]
for 2-month weight velocity for boys for 2-month weight velocity for boys
St Dev Box-
Median of 2-
Age (months)
Age (months)
Weight veloc
ansfor
Cox Tr Box-
ity conditi
Age (months)
l on age
Figure A3.12 Fitting of the µ, σ, and ν curves of selected model for 2-month weight velocity for boys
Weight veloc
ity conditi
97th 1000 2-mo weight increment (g) 90th
50th
0 10th 3rd
Age (months)
Figure A3.13 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 2-month weight velocity for boys
Fitted Empirical
1000 95th 2-mo weight increment (g)
75th
Weight veloc
50th 25th
5th ity conditi
12 14 16 18 20 22 24 ona l on age
Age (months)
Figure A3.14 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 2-month weight velocity for boys
Weight veloc
3rd Centile
5th Centile
10th Centile
ity conditi
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
100 pirical-Fitted Centile for 2-mo weight increment (g) 0 5 5 0 5 0
Age (months)
Figure A3.15 Centile residuals from fitting selected model for 2-month weight velocity for boys
52 Weight velocity conditional on age
A3.2b 2-month intervals for girls
Table A3.4 0.05 Q-test for z-scores from selected model [BCPE(x=age , df(µ)=12, df( σ)=5, df( ν)=4, τ=2)] for 2-month weight velocity for girls Age (days)
Group N z1 z2 z3
438 -0.8 -0.2 0.6 137 to 168
2-4 mo
440 0.4 -0.4 0.5 168 to 198
3-5 mo
435 0.3 -1.3 0.8 198 to 229
4-6 mo
437 -0.2 -1.1 -0.2 229 to 259
5-7 mo
435 -0.4 1.7 -0.1 259 to 289
425 -0.7 0.2 -0.1 320 to 350
8-10 mo
428 -0.3 0.6 0.4 350 to 396
9-11 mo
430 0.6 -1.2 1.0 396 to 457
10-12 mo
440 -0.2 0.7 -0.2 457 to 518
12-14 mo
440 -0.5 0.2 -0.4 518 to 579
14-16 mo
440 1.1 -1.6 -1.2 579 to 640
16-18 mo
437 -0.9 1.1 2.3 640 to 701
18-20 mo
431 1.0 -0.8 1.5 701 to 738
20-22 mo
433 -0.6 0.4 -0.4 Overall Q stats
22-24 mo
7409 6.2 13.8 14.2 degrees of freedom
5.0 14.0 13.0 p-value 0.2863 0.4676 0.3632
Note: Absolute values of z1, z2 or z3 larger than 2 indicate misfit of, respectively, mean, variance or skewness.
Weight velocity conditional on age
20-22 mo 20-22 mo 20-22 mo
22-24 mo 22-24 mo 22-24 mo
10-12 mo 10-12 mo 10-12 mo
12-14 mo 12-14 mo 12-14 mo
14-16 mo 14-16 mo 14-16 mo
16-18 mo 16-18 mo 16-18 mo
18-20 mo 18-20 mo 18-20 mo
8-10 mo 8-10 mo 8-10 mo
9-11 mo 9-11 mo 9-11 mo
Figure A3.16 Worm plots from selected model [BCPE(x=age , df(µ)=12, df( σ)=5, df(ν)=4, τ=2)] for 2-month weight velocity for girls Figure A3.16 Worm plots from selected model [BCPE(x=age , df(µ)=12, df( σ)=5, df(ν)=4, τ=2)] for 2-month weight velocity for girls
Median of 2-mo w
Age (months)
Age (months)
Weight veloc
ransform P xT o
x-C o B
ity conditi
Age (months)
l on age
Figure A3.17 Fitting of the µ, σ, and ν curves of selected model for 2-month weight velocity for girls
Weight veloc
ity conditi
Fitted
Empirical
ona l on age
97th 1000
90th 2-mo weight increment (g)
5 50th
10th 3rd
Age (months)
Figure A3.18 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 2-month weight velocity for girls
Fitted
Empirical
1000 95th 2-mo weight increment (g)
75th 500
50th
Weight veloc
25th
5th
ity conditi
12 14 16 18 20 22 24 ona l on age
Age (months)
Figure A3.19 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 2-month weight velocity for girls
Weight veloc
3rd Centile
5th Centile
10th Centile
ity conditi
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
Empirical-Fitted Centile for 2-mo weight increment (g) 0 0 0
Age (months)
Figure A3.20 Centile residuals from fitting selected model for 2-month weight velocity for girls
58 A3.3a 3-month intervals for boys
Fitted Empirical
3-mo weight increment (g) 97th 90th
Weight veloc
50th ity conditi
10th
0 3rd
3 4 5 6 7 8 9 10 11 12 14 ona l on age
Age (months)
Figure A3.21 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 3-month weight velocity for boys
Weight veloc
ity conditi
Fitted Empirical
ona l on age
3-mo weight increment (g) 95th
1000 75th 50th 25th
5th
Age (months)
Figure A3.22 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 3-month weight velocity for boys
3rd Centile
5th Centile
10th Centile
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
Weight veloc
Empirical-Fitted Centile for 3-mo weight increment (g) ity conditi
Age (months)
Figure A3.23 Centile residuals from fitting selected model for 3-month weight velocity for boys
Weight veloc
A3.3b 3-month intervals for girls
ity conditi
Fitted Empirical
ona l on age
97th 3-mo weight increment (g)
90th
50th
10th
0 3rd
3 4 5 6 7 8 9 10 11 12 14 Age (months)
Figure A3.24 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 3-month weight velocity for girls
Fitted Empirical
3-mo weight increment (g) 95th 1000
75th
Weight veloc
50th 25th
ity conditi
5th
3 4 5 6 7 8 9 10 11 12 14 ona l on age
Age (months)
Figure A3.25 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 3-month weight velocity for girls
Weight veloc
3rd Centile
5th Centile
10th Centile
0 0 0 5 ity conditi 5 5
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
Empirical-Fitted Centile for 3-mo weight increment (g)
Age (months)
Figure A3.26 Centile residuals from fitting selected model for 3-month weight velocity for girls
64 Weight velocity conditional on age
A3.4a 4-month intervals for boys
Table A3.5 0.05 Q-test for z-scores from selected model [BCPE(x=age , df(µ)=11, df( σ)=5, df( ν)=5, τ=2)] for 4-month weight velocity for boys Age (days)
Group N z1 z2 z3
113 to 137
409 -0.4 0.1 0.0 137 to 168
0-4 mo
407 1.5 -0.4 0.1 168 to 198
1-5 mo
0.1 -0.4 198 to 229
2-6 mo
412 -1.1
0.7 -0.9 229 to 259
394 -0.2 -0.8 0.5 289 to 320
5-9 mo
395 0.4 -1.4 2.3 320 to 350
6-10 mo
406 0.1 -0.9 1.1 350 to 396
7-11 mo
1.3 -1.7 396 to 457
8-12 mo
396 -0.4
392 0.2 0.9 0.8 457 to 518
10-14 mo
400 -0.8 0.7 1.4 518 to 579
12-16 mo
404 -0.1 0.7 0.7 579 to 640
14-18 mo
413 0.4 -0.7 -1.1 640 to 701
16-20 mo
408 0.2 -1.2 1.3 701 to 750
18-22 mo
412 -0.1 0.5 1.0 Overall Q stats
20-24 mo
6056 5.0 10.0 18.5 degrees of freedom
4.0 12.0 10.0 p-value 0.2898 0.6128 0.0467
Note: Absolute values of z1, z2 or z3 larger than 2 indicate misfit of, respectively, mean, variance or skewness.
Weight velocity conditional on age
16-20 mo 16-20 mo 16-20 mo
18-22 mo 18-22 mo 18-22 mo
20-24 mo 20-24 mo 20-24 mo
8-12 mo 8-12 mo 8-12 mo
10-14 mo 10-14 mo 10-14 mo
12-16 mo 12-16 mo 12-16 mo
14-18 mo 14-18 mo 14-18 mo
4-8 mo 4-8 mo 4-8 mo
5-9 mo 5-9 mo 5-9 mo
6-10 mo 6-10 mo 6-10 mo
7-11 mo 7-11 mo 7-11 mo
Figure A3.27 Worm plots from selected model [BCPE(x=age , df(µ)=11, df( σ)=5, df(ν)=5, τ=2)] for 4-month weight velocity for boys
0.25 Cox T
St Dev Box-
Median of 4-mo weight increment (g)
Age (months)
Age (months)
Weight veloc
ransfor .4
Cox T Box-
ity conditi
Age (months)
Figure A3.28 Fitting of the µ, σ, and ν curves of selected model for 4-month weight velocity for boys
Weight veloc
ity conditi
Fitted Empirical
4000 ona
l on age
2000 4-mo weight increment (g)
97th 90th
1000 50th
10th
0 3rd
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Age (months)
Figure A3.29 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 4-month weight velocity for boys
Fitted Empirical
2000 4-mo weight increment (g)
95th 75th
Weight veloc
1000 50th
25th 5th ity conditi
ona l on age
Age (months)
Figure A3.30 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 4-month weight velocity for boys
Weight veloc
3rd Centile
5th Centile
10th Centile
ity conditi
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
0 5 5 0 0 5 Empirical-Fitted Centile for 4-mo weight increment (g) 0 0 0
Age (months)
Figure A3.31 Centile residuals from fitting selected model for 4-month weight velocity for boys
70 Weight velocity conditional on age
A3.4b 4-month intervals for girls
Table A3.6 0.05 Q-test for z-scores from selected model [BCPE(x=age , df(µ)=9, df( σ)=5, df( ν)=5, τ=2)] for 4-month weight velocity for girls Age (days)
Group N z1 z2 z3
119 to 137
0.4 -0.7 137 to 168
439 -1.3 -0.6 0.1 198 to 229
2-6 mo
436 0.1 -0.5 0.9 229 to 259
3-7 mo
430 0.2 -0.8 0.4 259 to 289
4-8 mo
438 0.0 0.3 -2.1 289 to 320
5-9 mo
431 -0.6 1.1 1.2 320 to 350
6-10 mo
426 0.3 0.3 0.9 350 to 396
7-11 mo
432 -0.2 0.6 2.1 396 to 457
8-12 mo
433 0.1 -0.2 0.0 457 to 518
10-14 mo
436 -0.3 0.4 0.4 518 to 579
12-16 mo
444 0.5 -1.4 -0.6 579 to 640
14-18 mo
434 0.3 -0.7 2.0 640 to 701
16-20 mo
1.5 -0.1 701 to 749
18-22 mo
432 -0.1
440 -0.1 -0.4 1.2 Overall Q stats
20-24 mo
7.9 18.7 degrees of freedom
6533 6.4
6.0 12.0 10.0 p-value 0.3776 0.7951 0.0441
Note: Absolute values of z1, z2 or z3 larger than 2 indicate misfit of, respectively, mean, variance or skewness.
Weight velocity conditional on age
16-20 mo 16-20 mo 16-20 mo
18-22 mo 18-22 mo 18-22 mo
20-24 mo 20-24 mo 20-24 mo
8-12 mo 8-12 mo 8-12 mo
10-14 mo 10-14 mo 10-14 mo
12-16 mo 12-16 mo 12-16 mo
14-18 mo 14-18 mo 14-18 mo
4-8 mo 4-8 mo 4-8 mo
5-9 mo 5-9 mo 5-9 mo
6-10 mo 6-10 mo 6-10 mo
7-11 mo 7-11 mo 7-11 mo
Figure A3.32 Worm plots from selected model [BCPE(x=age , df(µ)=9, df( σ)=5, df(ν)=5, τ=2)] for 4-month weight velocity for girls Figure A3.32 Worm plots from selected model [BCPE(x=age , df(µ)=9, df( σ)=5, df(ν)=5, τ=2)] for 4-month weight velocity for girls
St Dev Box-Cox Transformed
Age (months)
Age (months)
Weight veloc
ity conditi
Box-Cox Transform Power -0.2
Age (months)
Figure A3.33 Fitting of the µ, σ, and ν curves of selected model for 4-month weight velocity for girls
Weight veloc
Fitted
ity conditi
Empirical
ona l on age
2000 97th
4-mo weight increment (g) 90th
1000 50th
10th
0 3rd
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Age (months)
Figure A3.34 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 4-month weight velocity for girls
Fitted Empirical
2000 95th
4-mo weight increment (g) 75th
Weight veloc
1000 50th
25th
ity conditi
5th
ona l on age
Age (months)
Figure A3.35 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 4-month weight velocity for girls
Weight veloc
3rd Centile
5th Centile
10th Centile
ity conditi
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
Empirical-Fitted Centile for 4-mo weight increment (g) 0 0 0
Age (months)
Figure A3.36 Centile residuals from fitting selected model for 4-month weight velocity for girls
76 Weight velocity conditional on age
A3.5a 6-month intervals for boys
Table A3.7 0.05 Q-test for z-scores from selected model [BCPE(x=age , df(µ)=10, df( σ)=5, df( ν)=3, τ=2)] for 6-month weight velocity for boys Age (days)
Group N z1 z2 z3
175 to 198
415 -0.2 -0.3 -0.8 198 to 229
0-6 mo
409 1.3 0.5 -0.8 229 to 259
1-7 mo
408 -1.2 0.1 0.1 259 to 289
392 0.5 -0.3 1.6 320 to 350
4-10 mo
405 -0.2 -1.3 1.1 350 to 396
5-11 mo
401 0.1 0.3 0.3 396 to 457
6-12 mo
1.1 -1.5 457 to 518
8-14 mo
403 -0.1
396 -0.2 0.3 3.0 518 to 579
10-16 mo
394 0.0 0.0 -0.3 579 to 640
12-18 mo
0.3 -0.5 640 to 701
14-20 mo
409 -0.2
411 0.3 -0.6 0.7 701 to 750
16-22 mo
405 0.0 -0.1 0.8 Overall Q stats
18-24 mo
3.9 17.8 degrees of freedom
5246 3.5
3.0 10.0 10.0 p-value 0.3246 0.9516 0.0581
Note: Absolute values of z1, z2 or z3 larger than 2 indicate misfit of, respectively, mean, variance or skewness.
Weight velocity conditional on age
18-24 mo 18-24 mo 18-24 mo
10-16 mo 10-16 mo 10-16 mo
12-18 mo 12-18 mo 12-18 mo
14-20 mo 14-20 mo 14-20 mo
16-22 mo 16-22 mo 16-22 mo
4-10 mo 4-10 mo 4-10 mo
5-11 mo 5-11 mo 5-11 mo
6-12 mo 6-12 mo 6-12 mo
8-14 mo 8-14 mo 8-14 mo
Figure A3.37 Worm plots from selected model [BCPE(x=age , df(µ)=10, df( σ)=5, df(ν)=3, τ=2)] for 6-month weight velocity for boys
St Dev Box-Cox Transformed
Median of 6-mo weight increment (g)
Age (months)
Age (months)
Weight veloc
ity conditi
Box-Cox Transform Power
Age (months)
Figure A3.38 Fitting of the µ, σ, and ν curves of selected model for 6-month weight velocity for boys
Weight veloc
ity conditi
ona l on age
Fitted Empirical
6-mo weight increment (g) 97th 2000
90th
50th 1000 10th
3rd
6 7 8 9 10 11 12 14 16 18 20 22 24 Age (months)
Figure A3.39 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 6-month weight velocity for boys
Fitted Empirical
6-mo weight increment (g) 95th
2000 75th Weight veloc
50th 1000
25th
ity conditi
5th
6 7 8 9 10 11 12 14 16 18 20 22 24 ona l on age
Age (months)
Figure A3.40 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 6-month weight velocity for boys
Weight veloc
3rd Centile
5th Centile
10th Centile
ity conditi
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
Empirical-Fitted Centile for 6-mo weight increment (g) 0 0 0
Age (months)
Figure A3.41 Centile residuals from fitting selected model for 6-month weight velocity for boys
82 Weight velocity conditional on age
A3.5b 6-month intervals for girls
Table A3.8 0.05 Q-test for z-scores from selected model [BCPE(x=age , df(µ)=7, df( σ)=5, df( ν)=4, τ=2)] for 6-month weight velocity for girls Age (days)
Group N z1 z2 z3
175 to 198
0.4 -0.7 198 to 229
433 -1.2 -0.7 -0.2 259 to 289
2-8 mo
437 -0.2 -0.5 -0.4 289 to 320
3-9 mo
430 -0.1 -0.4 2.1 320 to 350
4-10 mo
430 -0.2 0.3 0.7 350 to 396
5-11 mo
438 -0.1 1.4 0.8 396 to 457
6-12 mo
433 -0.2 0.0 1.0 457 to 518
8-14 mo
427 -0.1 -0.1 -0.2 518 to 579
10-16 mo
440 0.3 -0.1 0.1 579 to 640
12-18 mo
440 -0.2 -0.2 1.5 640 to 701
14-20 mo
428 0.9 -0.5 2.7 701 to 750
16-22 mo
0.5 -0.4 Overall Q stats
18-24 mo
442 -0.6
3.8 17.3 degrees of freedom
5657 7.5
6.0 10.0 9.0 p-value 0.2773 0.9577 0.0448
Note: Absolute values of z1, z2 or z3 larger than 2 indicate misfit of, respectively, mean, variance or skewness.
Weight velocity conditional on age
18-24 mo 18-24 mo 18-24 mo
10-16 mo 10-16 mo 10-16 mo
12-18 mo 12-18 mo 12-18 mo
14-20 mo 14-20 mo 14-20 mo
16-22 mo 16-22 mo 16-22 mo
4-10 mo 4-10 mo 4-10 mo
5-11 mo 5-11 mo 5-11 mo
6-12 mo 6-12 mo 6-12 mo
8-14 mo 8-14 mo 8-14 mo
Figure A3.42 Worm plots from selected model [BCPE(x=age , df(µ)=7, df( σ)=5, df(ν)=4, τ=2)] for 6-month weight velocity for girls
St Dev Box-Cox Transformed
Median of 6-mo weight increment (g)
Age (months)
Age (months)
Weight veloc
Box-Cox Transform Power
ity conditi
Age (months)
Figure A3.43 Fitting of the µ, σ, and ν curves of selected model for 6-month weight velocity for girls
Weight veloc
ity conditi
ona
Fitted Empirical
l on age
97th 6-mo weight increment (g)
2000 90th
50th 1000 10th
3rd
6 7 8 9 10 11 12 14 16 18 20 22 24 Age (months)
Figure A3.44 3rd, 10th, 50th, 90th, 97th smoothed centile curves and empirical values: 6-month weight velocity for girls
Fitted Empirical
95th 6-mo weight increment (g) 2000
75th
Weight veloc
50th 1000
25th
ity conditi
5th
6 7 8 9 10 11 12 14 16 18 20 22 24 ona l on age
Age (months)
Figure A3.45 5th, 25th, 50th, 75th, 95th smoothed centile curves and empirical values: 6-month weight velocity for girls
Weight veloc
3rd Centile
5th Centile
10th Centile
0 0 0 5 ity conditi 5 5
25th Centile
50th Centile
75th Centile
90th Centile
95th Centile
97th Centile
Empirical-Fitted Centile for 6-mo weight increment (g)
Age (months)
Figure A3.46 Centile residuals from fitting selected model for 6-month weight velocity for girls
88 Weight velocity from birth to 60 days