Table 1

Baseline comparisons between individuals who completed follow-up versus those who were lost to follow-up

Baseline variableCompleted 12 month follow-upLost to 12 month follow-upCompleted 12 month vs lost 12 month follow-up
p value
Completed any follow-upLost to any follow-upCompleted any vs lost to follow-up
p value
N1325906NA22401106NA
Gender (% female)60.248.7<0.001*55.448.0<0.001*
Age (mean, SD, range)47.5 (12.2), 19–8445.5 (11.6), 20–85<0.001†46.7 (12.0), 19–8545.4 (11.6), 19–850.002†
Income (median category)100k–149k100k–149k0.001‡100k–149k150k–199k0.001‡
Education (median category)Some post-college educationSome post-college education0.51‡Some post-college educationGraduated 4-year college0.003‡
Ethnicity (% Caucasian)84.981.90.06*83.876.0<0.001*
Health related occupation (% SH employee)27.219.0<0.001*23.814.6<0.001*
State anxiety (mean, SD/median, range)35.0 (9.5)/34.0, 20–7235.7 (9.8)/35.0, 20–670.12‡35.3 (9.6)/34.0, 20–7236.2 (10.0)/35.0, 20–740.02‡
Dietary fat (mean, SD/median, range)15.9 (7.8)/15.0, 0–5416.2 (8.0)/16.0, 0–510.25‡16.0 (7.9)/16.0, 0–5415.7 (8.2)/15.0, 0–430.30‡
Leisure time exercise (mean, SD/median, range)28.2 (23.1)/23.8, 0–246.0§29.0 (23.0)/24.0, 0–154.0¶0.38‡28.5 (23.0)/23.8, 0–246.0**28.3 (25.9)/22.4, 0–238.0††0.11‡
  • *Pearson χ2.

  • †Independent samples t test.

  • ‡Mann–Whitney U test.

  • §Based on n=1297.

  • ¶Based on n=885.

  • **Based on n=2191.

  • ††Based on n=1072.

  • SH, Scripps Health.