Table 1

Characteristics of the study cohort by employment status

CharacteristicsEligible population (n = 4851)Respondents
All (n = 3143)Fixed term (n = 284)Fixed term to permanent (n = 53)Permanent (n = 2806)
Figures are numbers (percentage) and means (SD) for the total cohort and respondents in both surveys.
*Cut off points were €1930 per month in men and €1717 per month in women. Numbers are lower due to missing information.
Sex, n (%)
    Male710 (15)347 (11)23 (8)9 (17)315 (11)
    Female4141 (85)2796 (89)261 (92)44 (83)2491 (89)
Age group, n (%)
    23–34503 (10)305 (10)96 (34)18 (34)191 (7)
    35–451802 (37)1197 (38)119 (42)21 (40)1057 (38)
    46–612546 (53)1641 (52)69 (24)14 (26)1558 (55)
Income*, n (%)
    1 (low)2414 (50)1462 (47)113 (40)20 (38)1329 (48)
    2 (high)2388 (50)1653 (53)170 (60)33 (62)1450 (52)
Number of contracted days at baseline, mean (SD)310.6 (20.2)310.9 (19.3)307.0 (43.5)312.1 (26.8)311.2 (14.5)
Number of contracted days at follow up, mean (SD)617.9 (31.9)618.7 (27.8)628.4 (44.9)625.8 (27.1)617.54 (25.3)