GS was responsible for recruitment, data collection, data entry, data analysis and drafting the manuscript.
Ms. EG, Mr. MA, Dr. CH and Dr. RE were responsible for data collection, data cleaning, data entry, data analysis for this study.
We used Epi Info™ (version 6.04d) for data entry, initial data analysis, and initial anthropometric analysis.
GA was responsible for quantitative data entry, data cleaning and analysis.
Data were entered into WebPPS, a web application developed by ESAC for data entry, analysis and reporting [ 8].
Developing clear guidelines for data entry, management and analysis at each level should be considered [ 2].
The Epi-Info 6 statistical software was used for data entry, validation and analysis.
AY designed the statistical plan and was responsible for data entry and analysis.
EPI-INFO and SPSS software statistical packages were applied for data entry and analysis.
We used Microsoft excel and SPSS for Windows 14 (SPSS Inc, Chicago, USA) for data entry and analysis.
[10], [11] We used SPSS version 16 for data entry and analysis.
