THE FIELD TEAMS COLLECTED THE DATA

THE FIELD TEAMS COLLECTED THE DATA AT PARTICIPANTS’HOMES. THE PARTICIPANTS WERE LEFT ALONE TO COMPLETE THE ANSWER SHEET BUT STAFF WERE AVAILABLE, NEARBY, TO ANSWER QUESTIONS. THE ANSWER SHEETS WERE PUT IN A BOX BY THE PARTICIPANTS THEMSELVES AFTER COMPLETING THE QUESTIONNAIRE. THE BOX WAS OPENED BY THE FIELD SUPERVISOR AFTER THE DATA COLLECTION IN EACH CLUSTER WAS FINISHED. THE DATA WERE RECORDED IN EPI INFO, VERSION 6.04D SOFTWARE (CENTERS FOR DISEASE CONTROL AND PREVENTION, ATLANTA, GEORGIA, USA).