Table 1
Comparison of study participants with those elegible
Participants
Eligible
Number (%)
1040 (90)
1155 (100)
Mean age years (SD)
36.5 (8.9
36.8 (9.1)
Work seniority years (SD)
11.0 (8.3)
11.3 (8.3)
Female, n (%)
749 (72.0)
835 (72.3)