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2.9 Analysis
Extensive  programmes  in  Stata  software  package  were  revised  or  developed  to  perform  final  data verification-, correction-, editing- and imputation procedures A full dataset was available in July 2015 and
a preliminary report with a limited set of key results was produced in the same month.
11
A team of eleven internal and external
12
analysts contributed to the present Analysis report. New methodological elements introduced in the analysis of ALCS 2013-14 include the following:
  In view of the absence of a full module on food consumption and household expenditure in the 2013-14 round, alternative methods were developed and applied to estimate levels of poverty and
food security. In chapter 7, survey-to-survey imputation is used to estimate poverty on the basis of a set of proxy indicators, which were calibrated with NRVA 2007-08 and 2011-12 data. In chapter
6, the Food Consumption Score FCS is used as a proxy indicator to measure caloric intake and diet  quality  at  household  level.  In  combination  with  the  Coping  Strategy  Index  CSI,  this  is
assumed to properly indicate the food security situation in Afghanistan.
  For the purpose of labour market analysis, the ALCS 2013-14 questionnaire included questions on occupation and industry. Context-specific occupation and industry codes were developed, based
on,  respectively  ISCO  and  ISIC  classifications.  An  elaborate  section  on  labour  migration  is included  in  the  analysis  and  for  the  first  time  an  analysis  of  job  earnings  is  added.  Altogether,
chapter 5 provides the most elaborate labour market analysis of Afghanistan to date.
  One notable component of chapter 5 is the section on child labour section 5.5. The questionnaire module  that  provided  the  information  for  this  section  is  based  on  newly  developed  UNICEF
guidelines  for  measuring  child  labour  and  allows  the  production  of  child  labour  indicators according to both UNICEF and ILO definitions.
  For the first time, ALCS is able to produce education transition-, completion- and drop-out rates, as well as the indicator of school life expectancy chapter 9.
2.10  Comparability of results
Comparability  between  ALCS  2013-14  and  previous NRVAs  was  maintained  as  much  as  possible  by  a largely  similar  questionnaire  design  and  content  for  reported  indicators,  training  and  data  collection
procedures. A new and more appropriate sampling design was introduced for ALCS 2013-14. Whereas this sampling design differed from earlier rounds, all surveys produced representative results at national and
provincial level. Comparability with NRVA 2005 is more limited due to major questionnaire revisions since 2007.  In  addition,  data  collection  in  2005  was  limited  to  three  months,  which  prevented  the  seasonal
analysis that can be done on the basis of the latest three surveys. Any comparison with 2005 results in this report should, therefore, be treated with caution.
13
The ALCS questionnaire design partially built on major international survey practices, such as the DHS and MICS surveys and standardised labour force surveys. Accordingly, data collection on and analysis of
11
Afghanistan Living Conditions Survey 2013-14. Preliminary report. Not published.
12
From WFP, World Bank and ILO.
13
As  sampling  design,  survey  design  and  questionnaire  content  of  NRVA  2003  were  very  different  from  the subsequent rounds, no effort is made here to include its results in any trend analysis.
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education, water and sanitation supply, labour force, child labour and maternal health care are aligned with international practices. In addition, for internationally agreed indicators, and especially MDG indicators,
ALCS applies the standard conceptualisation and definitions. Therefore, many indicators produced in this report embody a high level of international comparability. The report text indicates if, for some reason,
applied  definitions  deviate  from  the  internationally  recommended  ones.  The  annex  with  concepts  and definitions provides the specifications applied in the present analysis Annex VIII.
Due to changes in national and international definitions and guidelines, as well as lessons learned in the history  of  ALCS  and  specific  data  limitations,  some  indicators  in  the  present  report  are  not  directly
comparable to those in previous reports. These notably include the following:
  Labour-market indicators: the abbreviated labour module of NRVA 2011-12 introduced a specific bias  that  prohibits  a  direct  comparison  with  ALCS  2013-14.  Also  NRVA  2007-08  had  specific
limitations that hamper straight comparison. However, chapter 5 includes a section that re-aligns NRVA 2007-08 data with ALCS 2013-14 in order to produce a trend indication.
  In order to align with national and international definitions of improved sanitation, ALCS adopted a  new  classification.  Consequently,  the  sanitation  indicator  presented  in  this  report  cannot  be
compared with those in previous reports. However, the information gap for trend analysis is bridged by producing the indicator according to the new and old definition.
  The difference in methodology to estimate food security between ALCS 2013-14 and previous NRVAs does not allow direct comparison.
2.11  Data limitations