Skip to main content
. Author manuscript; available in PMC: 2013 Nov 18.
Published in final edited form as: Int J Soc Res Methodol. 2011 Oct 13;15(5):10.1080/13645579.2011.623958. doi: 10.1080/13645579.2011.623958

Table 3.

Reasons for non-completion of follow-ups at each timepoint.

Reason 3-month 6-month 12-month
Unable to contact1 36% 40% 38%
Unable to schedule2 36% 35% 31%
Declined 9% 15% 12%
Withdrew consent 0 0 19%
Incarcerated 0 10% 0
In residential care 18% 0 0
1

Participants who could not be reached by phone or mail during their eligibility period.

2

Participants with whom researchers had some direct contact (or with their parents if under 18), but who could not schedule and/or keep an appointment.