Table 6.

Self-reported risk factors and prevalence of musculoskeletal complaints in the past 12 months among dentists (n = 430) (multivariate analysis)

Self reported risk factors	Low back pain OR (95% CI)	Shoulder pain OR (95% CI)
Age
<40	1.00	1.00
40 – 50	0.72 (0.42 to 1.22)	1.31 (0.62 to 2.79)
50>	1.01 (0.57 to 1.78)	1.84 (0.92 to 3.67)
Higher educational level	NS	0.50 (0.28 to 0.90) *
Living alone	NS	2.65 (1.39 to 5.03) *
Working long hours	NS	3.68 (1.22 to 11.09) *
Exposure to Vibrating tools	NS	2.57 (1.01 to 6.51) *
Strenuous postures	1.59 (1.01 to 2.52) *	NS
Moderate perceived general health	3.35 (2.10 to 5.34) *	2.69 (1.50 to 4.81) *

*x² test, p < 0.05 OR = prevalence ratio; 95% CI = 95% confidence interval.