Table 5

Data collection schedule for SNAP
Measure Month
0 4 12 24 36 48
Anthropomorphic
  Weight (primary outcome) X X X X X X
  Height X X X X X X
  Waist circumference X X X X X X
  Body composition with impedance X X X X X X
  Body composition with BodPod (UNC only) X X X X X X
Behavioral and cognitive
  Diet (Food Frequency Questionnaire) X X X
  Specific questions about diet X X X X X X
  Physical activity: Paffenbarger X X X X X X
   Sedentary activity X X X X X X
   Objective (arm bands) X X X X
  Weight history X
  Weight management strategies X X X X X X
  Self-weighing X X X X X X
  Eating disorders assessment X X X X X X
  Eating inventory X X X X X X
  Autonomous motivation X X X X X X
  Smoking, alcohol use X X X X X X
  Sleep habits X X X X X X
  Neighborhood, environment X X X X X X
Medical
  Blood pressure X X X X X X
  Fasting lipids, glucose, insulin X X
  Medication use X X X X X X
  Medical events X X X X X
  DNA, serum, plasma X X
Psychological assessments
  Depression (CES-D) X X X X X X
  Life events X X X X X X
  Perceived stress X X X X X X
  Quality of life X X X X X X
Other questionnaires
  Demographic data X X X X X X
  Contact information X X X X X X
  Weight status of friends and family X X X X X X
  Treatment preference, satisfaction and post-treatment feedback X X X X X X
Adherence (Intervention groups only)
  Attendance at adherence sessions Throughout
  Monthly submission of weight data Throughout

Wing et al.

Wing et al. BMC Public Health 2013 13:300   doi:10.1186/1471-2458-13-300

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