Risk of long-term sickness absence during follow-up for four combinations of job demands
| At risk N | Cases N (%) | HR | 95 % CI | RERI | 95 % CI | |
| Combination: emotional demands and quantitative demands (Pearson’s r=0.11) | 0.06 | −0.15 to 0.26 | ||||
| Low emotional demands and low quantitative demands | 12 160 | 410 (3.4) | 1 | Ref | ||
| High emotional demands and low quantitative demands | 12 846 | 568 (4.4) | 1.22 | 1.07 to 1.39 | ||
| High quantitative demands and low emotional demands | 10 845 | 402 (3.7) | 1.22 | 1.06 to 1.40 | ||
| High emotional demands and high quantitative demands | 17 964 | 910 (5.1) | 1.5 | 1.33 to 1.70 | ||
| Combination: emotional demands and violence/threats of violence (Pearson’s r=0.22) | 0.12 | −0.43 to 0.66 | ||||
| Low emotional demands and no exposure to violence/threats of violence | 22 261 | 776 (3.5) | 1 | Ref | ||
| High emotional demands and no exposure to violence/threats of violence | 25 600 | 1118 (4.4) | 1.19 | 1.08 to 1.31 | ||
| Exposure to violence/threats of violence and low emotional demands | 622 | 32 (5.1) | 1.46 | 1.02 to 2.08 | ||
| High emotional demands and exposure to violence/threats of violence | 5034 | 342 (6.8) | 1.76 | 1.53 to 2.02 | ||
| Combination: quantitative demands and violence/threats of violence (Pearson’s r=0.06) | 0.36 | 0.01 to 0.71 | ||||
| Low quantitative demands and no exposure to violence/threats of violence | 22 776 | 853 (3.7) | 1 | Ref | ||
| High quantitative demands and no exposure to violence/threats of violence | 25 147 | 1040 (4.1) | 1.34 | 1.10 to 1.64 | ||
| Exposure to violence/threats of violence and low quantitative demands | 2131 | 113 (5.3) | 1.2 | 1.09 to 1.31 | ||
| Exposure to violence/threats of violence and high quantitative demands | 3525 | 260 (7.4) | 1.9 | 1.64 to 2.20 | ||
| Combination: unclear and contradictory demands and quantitative demands (Pearson’s r=0.22) | 0.23 | 0.04 to 0.42 | ||||
| Low unclear and contradictory demands and low quantitative demands | 16 544 | 639 (3.9) | 1 | Ref | ||
| High unclear and contradictory demands and low quantitative demands | 12 664 | 507 (4.0) | 1.12 | 0.98 to 1.28 | ||
| High quantitative demands and low unclear and contradictory demands | 8473 | 340 (4.0) | 1.11 | 0.98 to 1.24 | ||
| High unclear and contradictory demands and high quantitative demands | 16 143 | 804 (5.0) | 1.46 | 1.31 to 1.62 |
RERI was calculated using the following formula: RERI=RERI= HR11-HR10-HR01+1. All analyses are adjusted for sex, age, educational attainment and job group.
RERI, relative excess risk due to interaction.