Table 1

Age and gender characteristics between subjects eligible but not enlisted and subjects eventually enlisted in the Mollerussa cohort

Eligible but not enlistedEnlisted
(n=602)
Failed to be contacted
(n=448)
Declined to participate
(n=349)
All
(n=797)
Gender (female), n (%) 181 (40.4)170 (48.7)351 (44.0)353 (58.6)*
Age, years, mean (SD) 44 (15.0)47.9 (16.3)45.7 (15.7)48.1 (13.4)†
Age group, years, n (%)
 <40218 (48.7)140 (40.1)358 (44.9)168 (28.2)
 40–60160 (35.7)125 (35.8)285 (35.8)315 (52.9)
 >6070 (15.6)84 (24.1)154 (19.3)113 (19.0)
  • 2 test, p<0.001.

  • †Kruskal-Wallis non-parametric test, p<0.001.