Long-Term Prevalence and Risk Factors of Musculoskeletal Disorders among the Schoolteachers in Hail, Saudi Arabia: A Cross-Sectional Study

Table 4

Binominal regression results for lower back, shoulder, and neck musculoskeletal disorders with demographic characteristics.

Variable		SE	Wald	df	Sig.	Exp()	95% CI for Exp()
							Lower	Upper
Lower back
Gender (female)	0.108	0.316	0.117	1	0.732	1.114	0.6	2.07
Age	-0.122	0.154	0.622	1	0.43	0.886	0.655	1.198
Smoking habit (yes)	-0.084	0.366	0.053	1	0.818	0.919	0.449	1.883
Length of job experience (years)	0.039	0.167	0.055	1	0.815	1.04	0.75	1.441
Number of sleeping hours per day	-0.171	0.185	0.851	1	0.356	0.843	0.586	1.212
Number of working hours per day	-0.017	0.179	0.009	1	0.926	0.984	0.692	1.398
Marital status	0.082	0.354	0.054	1	0.816	1.086	0.543	2.172
Constant	1.602	0.903	3.145	1	0.076	4.964
Shoulders
Gender (female)	0.9	0.314	8.217	1	0.004	2.459	1.329	4.548
Smoking habit (yes)	-0.149	0.341	0.19	1	0.663	0.862	0.442	1.681
Age	-0.057	0.148	0.151	1	0.697	0.944	0.707	1.261
Length of job experience (years)	0.217	0.161	1.823	1	0.177	1.242	0.907	1.703
Number of sleeping hours per day	-0.153	0.181	0.715	1	0.398	0.858	0.601	1.224
Number of working hours per day	-0.103	0.173	0.355	1	0.552	0.902	0.643	1.265
Marital status	-0.026	0.314	0.007	1	0.934	0.974	0.527	1.802
Constant	-0.34	0.846	0.161	1	0.688	0.712
Neck
Gender (female)	0.919	0.287	10.25	1	0.001	2.507	1.428	4.401
Age	-0.067	0.141	0.23	1	0.632	0.935	0.709	1.232
Smoking habit (yes)	0.161	0.336	0.229	1	0.632	1.175	0.608	2.271
Length of job experience (years)	-0.055	0.152	0.133	1	0.715	0.946	0.703	1.274
Number of sleeping hours per day	-0.123	0.171	0.518	1	0.472	0.884	0.633	1.236
Number of working hours per day	0.089	0.165	0.293	1	0.588	1.093	0.792	1.510
Marital status	0.118	0.307	0.147	1	0.702	1.125	0.616	2.053
Constant	-0.913	0.809	1.274	1	0.259	0.401

Values indicated in boldface are significant.