Table 2.

Association between workers perceptions of psychosocial working conditions and physical exertion (scale 0–10). Multilevel analysis of effects attributed to nursing homes (n = 20), wards (n = 126), and workers (n = 536). All predictors were based on a 0–100 scale.

Predictors	Crude Model			Adjusted Model a
	Β	p	95% CI	Β	p	95% CI
Quantitative demands
Nursing home level	−0.015	0.50	−0.059–0.029	−0.019	0.40	−0.065–0.026
Ward level	0.020	0.07	−0.002–0.041	0.025	0.03	0.003–0.048
Worker level	0.025	<0.001	0.016–0.033	0.025	<0.001	0.015–0.034
Pace
Nursing home level	−0.014	0.55	−0.060–0.032	−0.027	0.24	−0.073–0.019
Ward level	0.041	<0.001	0.019–0.062	0.045	<0.001	0.023–0.067
Worker level	0.027	<0.001	0.017–0.037	0.026	<0.001	0.016–0.037
Emotional demands
Nursing home level	−0.061	0.23	−0.164–0.041	−0.060	0.23	−0.157–0.040
Ward level	0.009	0.51	−0.018–0.037	0.022	0.15	−0.008–0.052
Worker level	0.019	<0.001	0.008–0.030	0.017	0.01	0.006–0.029
Influence
Nursing home level	−0.045	0.07	−0.094–0.004	−0.066	0.01	−(0.115–0.016)
Ward level	0.002	0.86	−0.020–0.024	0.006	0.58	−0.017–0.030
Worker level	−0.017	<0.001	−(0.027–0.008)	−0.019	<0.001	−(0.029–0.010)
Social support
Nursing home level	−0.008	0.83	−0.083–0.067	−0.032	0.38	−0.110–0.042
Ward level	−0.018	0.18	−0.045–0.008	−0.009	0.52	−0.039–0.020
Worker level	−0.012	0.04	−0.023–0.000	−0.013	0.04	−(0.025–0.001)
Quality of leadership
Nursing home level	−0.034	0.09	−0.074–0.005	−0.047	0.02	−(0.086–0.008)
Ward level	0.014	0.29	−0.012–0.040	0.016	0.24	−0.011–0.044
Worker level	−0.017	0.01	−(0.030–0.005)	−0.013	0.05	−0.025–0.000

^a adjusted for age, gender, education, body mass index, leisure-time physical activity, shift, type of ward, and staffing ratio. Bold values represent statistically significant (p < 0.05) associations.