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Table 4 Reasons for dropouts as recorded at the time of censorship in the Vellore Typhoid Surveillance (VTS) study (n = 404)

From: Why do participants drop-out: findings from a prospective pediatric cohort for fever surveillance established at Vellore, southern India

Reasonn%
Family migrated from the study area20250
Unwilling to continue in the study because of blood draw7318.1
Parent’s/primary care-givers unwilling to continue in the study for reasons not specified5814.3
Not available for follow-up for next one year (soon to migrate)5714.1
Child admitted at boarding school away from the study area143.5