Physical, psychological, and organisational work factors at baseline, by the incidence proportion of sickness absence attributed airway infection (AAI) during the successive three months
| Work characteristics at baseline | N | AAI | p values* |
|---|---|---|---|
| n (row %) | |||
| N = number of subjects in the category; n = number of cases in the category. | |||
| *p value in Pearson χ2 test, with p value in Mantel-Haenszel test for linear trend in brackets. | |||
| Work hours per week | 0.009 | ||
| 19–36 | 4168 | 597 (14.3) | |
| >36 | 708 | 128 (18.1) | |
| Quantitative work demands | 0.023 (0.014) | ||
| 1 (lowest quintile) | 1137 | 160 (14.1) | |
| 2 | 581 | 81 (13.9) | |
| 3 | 1197 | 157 (13.1) | |
| 4 | 1134 | 177 (15.6) | |
| 5 | 815 | 148 (18.2) | |
| The extent to which the work requires physical endurance | 0.011 (0.029) | ||
| Never or very seldom | 288 | 46 (16.0) | |
| Rather seldom | 432 | 49 (11.3) | |
| Sometimes | 1193 | 171 (14.3) | |
| Rather often | 1527 | 211 (13.8) | |
| Very often or always | 1367 | 238 (17.4) | |
| Positive challenges in the job | 0.000 (0.450) | ||
| 1 (lowest quintile) | 647 | 122 (18.9) | |
| 2 | 1408 | 171 (12.1) | |
| 3 | 982 | 135 (13.7) | |
| 4 | 807 | 121 (15.0) | |
| 5 | 1011 | 169 (16.7) | |
| Encouraging and supportive culture in the work unit | 0.002 (0.001) | ||
| Not at all/very little | 71 | 18 (25.4) | |
| Rather little | 281 | 58 (20.6) | |
| To some extent | 1131 | 171 (15.1) | |
| Rather much | 1987 | 279 (14.0) | |
| Very much | 1285 | 174 (13.5) | |
| Relaxing and pleasant culture in the work unit | 0.017 (0.003) | ||
| Not at all/very little | 158 | 29 (18.4) | |
| Rather little | 378 | 65 (17.2) | |
| To some extent | 1196 | 202 (16.9) | |
| Rather much | 1967 | 262 (13.3) | |
| Very much | 943 | 128 (13.6) | |
| Level of role conflicts | 0.003 (0.000) | ||
| 1 (lowest quintile) | 774 | 97 (12.5) | |
| 2 | 1149 | 150 (13.1) | |
| 3 | 776 | 125 (16.1) | |
| 4 | 1394 | 211 (15.1) | |
| 5 | 753 | 141 (18.7) | |
| Fairness of the immediate superior’s leadership | 0.000 (0.002) | ||
| 1 (lowest quintile) | 1080 | 204 (18.9) | |
| 2 | 502 | 83 (16.5) | |
| 3 | 1479 | 182 (12.3) | |
| 4 | 540 | 74 (13.7) | |
| 5 | 1255 | 181 (14.4) | |
| Rewards for good work | 0.141 (0.015) | ||
| Not at all/very little | 2004 | 323 (16.1) | |
| Rather little | 849 | 131 (15.4) | |
| Some | 1139 | 151 (13.3) | |
| Rather much | 651 | 85 (13.1) | |
| Very much | 154 | 21 (13.6) | |
| Threats or violence at work (previous 2 years) | 0.049 (0.004) | ||
| Never or very seldom | 2981 | 417 (14.0) | |
| Rather seldom | 624 | 86 (13.8) | |
| Sometimes | 816 | 140 (17.2) | |
| Rather often | 342 | 60 (17.5) | |
| Very often | 96 | 19 (19.8) | |