Table 5

Factors associated with sick leave due to arm, and neck and shoulder disorders

Predictor		Arm disorders			Neck and shoulder disorders
Predictor		RR	95% CI		p Value	RR	95% CI	p Value
Sex:
Male	1.0			1.0
Female	1.3	0.5 to 3.6	0.58	12.8	3.7 to 44.5	0.00
Age (y):
<30	1.0			1.0
30–40	2.9	1.2 to 7.1	0.02	3.2	1.2 to 8.6	0.02
>40	1.2	0.5 to 2.9	0.67	1.9	0.6 to 6.3	0.28
Work load:
Low load	1.0			1.0
High load	0.5	0.2 to 1.4	0.19	0.9	0.5 to 1.7	0.85
Job experience:
Experienced worker	1.0			1.0
New worker, year 1	0.6	0.2 to 1.7	0.31	1.1	0.4 to 2.8	0.90
New worker, year 2+	1.1	0.4 to 3.3	0.83	0.6	0.2 to 2.5	0.52
Sex, age:
Female, <30				1.0
Female, 30–40				0.2	0.1 to 0.8	0.02
Female, >40				0.1	0.0 to 0.6	0.01
Sex, job experience:
Female, experienced worker				1.0
Female, new worker, year 1				0.3	0.1 to 1.4	0.12
Female, new worker, year 2+				0.1	0.0 to 0.4	0.00
Sex, work load:
Female, low load	1.0
Female, high load	3.6	1.0 to 12.7	0.04
Work load, job exerience:
High load, experienced worker	1.0			1.0
High load, new worker, year 1	5.4	1.4 to 20.3	0.01	2.3	0.7 to 7.8	0.17
High load, new worker, year 2+	3.5	0.8 to 15.5	0.10	11.1	2.6 to 47.7	0.00