Characteristics of the study population at baseline in 2009 (N=6544) stratified by levels of perceived JI and of EA in 2009
| Characteristics, n (%) | Lower JI 5055 (77.25) | Higher JI 1489 (22.75) | p Value | Lower EA 5227 (79.87) | Higher EA 1317 (20.13) | p Value |
|---|---|---|---|---|---|---|
| Continuous variables, mean (SD) | ||||||
| Age (years) | 43.71 (10.85) | 41.68 (11.19) | <0.0001 | 43.26 (10.90) | 43.18 (11.18) | 0.8140 |
| Education (years) | 13.12 (2.83) | 12.37 (2.48) | <0.0001 | 12.94 (2.77) | 13.00 (2.79) | 0.4329 |
| Personal net income per month (€) | 1835 (1389) | 1375 (1067) | <0.0001 | 1757 (1359) | 1623 (1238) | 0.0112 |
| Categorical variables, n (%) | ||||||
| Female | 2407 (47.62) | 747 (50.17) | 0.0833 | 2497 (47.77) | 657 (49.89) | 0.1698 |
| Marital status | ||||||
| Unmarried | 1202 (23.78) | 441 (29.62) | <0.0001 | 1268 (24.26) | 375 (28.47) | 0.0028 |
| Separated/divorced/widowed | 444 (8.78) | 142 (9.54) | 461 (8.82) | 125 (9.49) | ||
| Married | 3409 (67.44) | 906 (60.85) | 3498 (66.92) | 817 (62.03) | ||
| Non-permanent contract | 1116 (22.08) | 475 (31.90) | <0.0001 | 1237 (23.67) | 354 (26.88) | 0.0151 |
| Current smoking | 1463 (28.94) | 504 (33.85) | 0.0003 | 1561 (29.86) | 406 (30.83) | 0.4955 |
| Regular alcohol consumption | 1028 (20.34) | 260 (17.46) | 0.0142 | 1045 (19.99) | 243 (18.45) | 0.2086 |
| Physical exercise | ||||||
| Never | 1279 (25.30) | 440 (29.55) | <0.0001 | 1390 (26.59) | 329 (24.98) | 0.0536 |
| Less than once a week | 1517 (30.01) | 505 (33.92) | 1579 (30.21) | 443 (33.64) | ||
| At least once a week | 2259 (44.69) | 544 (36.53) | 2258 (43.20) | 545 (41.38) | ||
| Body mass index | ||||||
| Normal | 2489 (49.24) | 725 (48.69) | 0.1616 | 2531 (48.42) | 683 (51.86) | 0.0606 |
| Overweight | 1859 (36.78) | 527 (35.39) | 1940 (37.11) | 446 (33.86) | ||
| Obesity | 707 (13.99) | 237 (15.92) | 756 (14.46) | 188 (14.27) | ||
Differences were determined by Student's t-test or χ2 test.
EA, environmental annoyance; JI, job insecurity.