Table 4.

Stratified analysis by baseline musculoskeletal injury status (cases vs. referents) and job group (nurses vs. others): multivariable associations of psychosocial factors at baseline interview with subsequent new or recurrent injury over 2-year follow-up among 492 hospital workers

Variable at baseline	All employees (n = 492)				Nurses (n = 193)				Others (n = 299)
	Cases at baseline (N = 174)		Referents (N = 317)		Cases at baseline (N = 43)		Referents (N = 150)		Cases at baseline (N = 73)		Referents (N = 226)
	OR	95 % CI	OR	95 % CI	OR	95 % CI	OR	95 % CI	OR	95 % CI	OR	95 % CI
Job strain	0.89	0.56-1.41	1.26*	1.02-1.55	1.17	0.48-2.81	1.26	0.81-1.97	0.81	0.46-1.41	1.27	0.99-1.61
Effort-reward imbalance	1.04	0.72-1.50	1.42**	1.12-1.81	0.80	0.42-1.52	1.67	0.91-3.08	1.23	0.76-1.98	1.42**	1.09-1.83
Total support	0.95	0.66-1.37	0.97	0.77-1.22	1.36	0.63-2.93	1.59*	1.03-2.44	0.86	0.55-1.33	0.76	0.57-1.03
Overcommitment	1.58*	1.05-2.39	1.01	0.81-1.26	2.98*	1.01-8.77	0.91	0.61-1.36	1.38	0.88-2.16	1.08	0.82-1.42

All multiple logistic regression models include age, sex, and race/ethnicity (non-Hispanic white vs. other); to standardize the OR estimates, scores for job strain, effort-reward imbalance, total support, and overcommitment were divided by its standard deviation (SD) so that the ORs estimate the likelihood of outcome experienced per 1 SD change (see “Methods”). Due to missing data, the sample size for each data analysis varies

^*p < 0.05

^**p < 0.01