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Survey of the Life Course Transitions of Youth in Senegal, 2010 Tracking strategy Dakar Workshop April 2010. Procedures for Follow-up and Tracking . Attrition is a serious issue in panel surveys: Loss of sample size
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Survey of the Life Course Transitions of Youth in Senegal, 2010 Tracking strategy Dakar Workshop April 2010
Procedures for Follow-up and Tracking Attrition is a serious issue in panel surveys: • Loss of sample size • More serious: attrition (due to refusals or relocating) is not random → bias in estimates Therefore strong efforts for locating the original sample are essential.
With these efforts, attrition can be minimized even in long term panels: • Indonesia Family Life Surveys: household level attrition is 6% for four years interval • Kagera Health & Development Survey: 7% over a 14 year interval Must be able to look for households or people in their new locations if they have moved. .
With our focus on a cohort of young men and women 20-23 we face two issues in follow-up: • Households have moved from their 2003 locations or communities • Many in the cohort have moved out of their households to new households or new communities (for work, school, marriage)
We can get a sense of the 2nd issue by looking at a similar age group in the 2003 survey The urban location of those who have left home—and the widespread use of cell phones—will ease the cost and effort of locating and re-interviewing them
Structure of the tracking modules for Phase 1 (returning to 2003 communities) • Identifying information on 2003 household(head, spouse, cohort members); prefilled • Phase 1 tracking resultsfor locating the household or cohort members • Household contact module(if household found in or near community; obtains information on cohort members) • Main survey questionnaire: given to Cohort member if in community 2, 3 and 4 will also be used in Phase 2 for households or CMs that have moved and whose location is obtained in Phase 1