Table 6

Unadjusted and adjusted rate ratios (RRs) for developing a shoulder disorder in R2 or R3, for those without a shoulder disorder at baseline

Factors		Subjects		Unadjusted				Adjusted^6-150
Factors		Subjects		RR	95% CI			p Value	RR	95% CI	p Value
Social support:
High	104	1.00				1.00
Low	45	3.30	1.26 to 8.67	0.02		3.72	1.22 to 11.30	0.02
Neck-shoulder pain score^6-151	150	1.02	0.99 to 1.04	0.18		1.02	1.00 to 1.05	0.19
Smoking:
No	81	1.00				1.00
Yes	68	2.18	0.81 to 5.91	0.12		3.93	1.33 to 11.58	0.01
Living alone with children:
No	141	1.00				1.00
Yes	9	3.30	1.26 to 8.67	0.02		3.58	0.87 to 14.68	0.08

↵6-150 Adjusted for age, job strain, stress, and duration of employment.
↵6-151 Neck-shoulder pain score is included in the model as a continuous covariate.