. Author manuscript; available in PMC: 2013 Jul 23.

Published in final edited form as: J Occup Environ Med. 2012 Jul;54(7):851–858. doi: 10.1097/JOM.0b013e31824e6913

Table 2.

Multivariable association of sleep duration and other respondent characteristics with pain, work interference and functional limitations: Odds ratios, 95% confidence intervals and p-values. Significant p-values and variables significant across all three outcomes are bolded.

Sleep Duration Models	Any Pain		Work Interference		Functional Limitation
Effect	Odds Ratio(95% CI)	p	Odds Ratio(95% CI)	p	Odds Ratio(95% CI)	p
Hours Sleep	0.88 (0.79-0.98)	0.020	0.86 (0.78-0.96)	0.005	0.90 (0.79-1.03)	0.115
Race (vs. Hispanic)	-	0.083	-	0.438	-	0.893
White	0.94 (0.44-2.01)	-	0.60 (0.30-1.20)	-	1.30 (0.46-3.71)	-
Black	0.49 (0.21-1.14)	-	0.52 (0.23-1.18)	-	1.35 (0.42-4.29)	-
Mixed Race/Other	0.82 (0.32-2.09)	-	0.66 (0.27-1.58)	-	1.63 (0.46-5.70)	-
Sex (Female vs. Male)	1.48 (0.94-2.31)	0.089	1.77 (1.09-2.89)	0.022	0.99 (0.56-1.75)	0.974
Age (years)	1.00 (0.99-1.02)	0.689	1.02 (1.00-1.03)	0.016	1.05 (1.03-1.07)	<.0001
BMI (kg/m²)	1.03 (1.00-1.06)	0.045	1.03 (1.01-1.06)	0.009	1.08 (1.04-1.11)	<.0001
Psychological Distress	1.06 (1.01-1.12)	0.012	1.10 (1.06-1.14)	<.0001	1.13 (1.08-1.18)	<.0001
Occupation (vs. Staff Nurse)	-	0.002	-	0.057	-	1.000
Patient Care Associate	0.75 (0.40-1.4)	-	1.46 (0.78-2.75)	-	1.00 (0.43-2.34)	-
Other	0.51 (0.35-0.74)	-	0.71 (0.48-1.04)	-	0.99 (0.63-1.57)	-
Nightwork(vs. 0-6 hrs/month)	-	0.611	-	0.327	-	0.669
6-72 hrs/month	1.16 (0.80-1.68)	-	1.29 (0.92-1.81)	-	1.16 (0.74-1.81)	-
>72 hrs/month	0.94 (0.63-1.43)	-	1.05 (0.71-1.55)	-	0.91 (0.55-1.51)	-
Job Demands	1.05 (1.02-1.08)	<.001	1.06 (1.03-1.09)	<.0001	1.04 (1.01-1.08)	0.017
Coworker Support	1.02 (0.91-1.14)	0.692	0.96 (0.87-1.06)	0.447	0.86 (0.76-0.98)	0.024
Supervisor Support	0.96 (0.91-1.01)	0.134	0.95 (0.91-1.00)	0.043	0.97 (0.91-1.03)	0.329