Final models of stepwise multiple regression analyses on prospective data
| Hospital nurses (n=558) Subjective health complaints after one year | Hospital nurses (n=614) Sickness absence after one year | Truck drivers (n=625) Sickness absence after two years | ||||
|---|---|---|---|---|---|---|
| Baseline variables | Beta | p value | Beta | p value | Beta | p value |
| Subjective health complaints after one year and sickness absence after one or two years as dependent variable and baseline no. work hours/week, physical demands, mental/emotional demands, lack of decision latitude, lack of autonomy/break control, age, and baseline need for recovery as independent variables. | ||||||
| *Lost significance from first step. | ||||||
| Work demands | ||||||
| Entered in step 1 | ||||||
| No. work hours/week | 0.01 | 0.759 | −0.01 | 0.833 | −0.02 | 0.581 |
| Physical demands | −0.04 | 0.373 | 0.13 | 0.002 | ||
| Mental/emotional demands | 0.08 | 0.035 | −0.06 | 0.152 | 0.04 | 0.413 |
| Lack of decision latitude | 0.06 | 0.106* | 0.01 | 0.781 | 0.06 | 0.221 |
| Lack of autonomy/break control | −0.02 | 0.728 | ||||
| Added in step 2 | ||||||
| Age at T1 | 0.12 | 0.001 | 0.09 | 0.018 | 0.03 | 0.489 |
| Added in step 3 | ||||||
| Need for recovery at T1 | 0.49 | 0.000 | 0.19 | 0.000 | 0.11 | 0.021 |
| Model summary | ||||||
| Total adjusted R2 | 0.30 | 0.07 | 0.02 | |||
| Change from step 2 to step 3 in R2 | 0.19 | 0.03 | 0.007 | |||
| Change from step 2 to step 3 | 0.000 | 0.000 | 0.021 | |||
| F of regression equation | 38.84 | 8.90 | 3.03 | |||
| Significance of F | 0.000 | 0.000 | 0.006 | |||