Table 5.

Multivariable analysis of symptom-predicting factors (12-month prevalence) – final model (step 6). The bold font indicates the significant factors.

		Symptoms of neck			Symptoms of shoulder			Symptoms of elbow/forearm			Symptoms of hand/wrist
Significant factors		p-value	OR	95%-CI	p-value	OR	95%-CI	p-value	OR	95%-CI	p-value	OR	95%-CI
Years on the job		0.255	1.008	0.994, 1.022	0.000	1.026	1.012, 1.040	0.008	1.025	1.006, 1.043	0.399	1.007	0.991, 1.023
Gender		0.000	2.005	1.478, 2.719	0.000	1.890	1.399, 2.553	0.285	1.247	0.832, 1.868	0.069	1.385	0.975, 1.967
Body Mass Index		0.196	1.027	0.987, 1.068	0.261	1.023	0.983, 1.064	0.027	1.058	1.007, 1.113	0.303	1.024	0.979, 1.072
Main work-place	Office	0.424			0.787			0.572			0.272
	Laboratory	0.140	1.345	0.907, 1.995	0.506	1.145	0.769, 1.704	0.167	1.438	0.860, 2.404	0.071	1.523	0.965, 2.403
	Production/storehouse	0.823	0.942	0.559, 1.587	0.663	1.128	0.656, 1.940	0.572	1.235	0.594, 2.566	0.679	0.861	0.423, 1.751
	Other	0.516	1.519	0.430, 5.361	0.427	1.621	0.492, 5.337	0.768	1.245	0.289, 5.363	0.920	1.074	0.267, 4.316
Typing		0.012	1.096	1.020, 1.177	0.228	1.045	0.973, 1.122	0.062	1.096	0.995, 1.207	0.276	1.048	0.964, 1.139
Job rotation		0.001	1.740	1.255, 2.410	0.244	1.211	0.877, 1.673	0.997	0.999	0.641, 1.557	0.020	1.558	1.073, 2.263
Job satisfaction		0.002	0.986	0.977, 0.995	0.362	0.996	0.987, 1.005	0.013	0.985	0.974, 0.997	0.392	0.995	0.985, 1.006
Chair optimally adjustable		0.615	0.860	0.478, 1.548	0.481	0.810	0.451, 1.456	0.202	0.631	0.311, 1.280	0.064	0.551	0.293, 1.036
Constant		0.598	0.698		0.018	0.203		0.001	0.060		0.025	0.175