Table 1

Age distribution and participation in the study population
Age categories
 Total population
 # of participants
 % participation
15 – 24
 217
 79
 36.4
24 – 34
 142
 57
 40.1
35 – 44
 117
 56
 47.9
45 – 54
 84
 29
 34.5
55 – 64
 58
 23
 39.7
≥ 65
 43
 15
 34.9
Total
 661
 259
 39.2

Fillion et al. Environmental Health: A Global Access Science Source 2006 5:29   doi:10.1186/1476-069X-5-29