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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

Reason

n

%

Family migrated from the study area

202

50

Unwilling to continue in the study because of blood draw

73

18.1

Parent’s/primary care-givers unwilling to continue in the study for reasons not specified

58

14.3

Not available for follow-up for next one year (soon to migrate)

57

14.1

Child admitted at boarding school away from the study area

14

3.5