Table 3. Characteristics That Predicted Chronic Low Back Pain Among Nurses.

	Odds Ratio	95% Confidence Interval	P value
Physical violence	2.736	1.381-3.863	< 0.001
Past history of low back pain	4.233	3.499-6.114	< 0.001
Male sex	0.435	0.682-1.273	0.101
Being married	1.237	0.778-1.095	0.110
Frequent bending	2.465	1.289-4.714	0.006
Frequent carrying	2.513	1.454-4.344	0.001
Frequent twisting	0.980	0.607-1.581	0.980
Frequent prolonged standing	0.851	0.447-1.620	0.851