Table 4. Logistic regression: predicting work-related headaches.

Variables in the model	B	SE	Wald	Sig.	Exp(B)	95% CI for EXP(B)
Age	−0.030	.015	3.919	.048	0.971	0.943	1.000
Gender (male)	−0.760	.176	18.563	.000	0.467	0.331	0.661
Race (white)	0.020	.180	0.012	.913	1.020	0.716	1.452
Marital status (married)	0.114	.163	0.492	.483	1.121	0.815	1.542
Having children	0.139	.165	0.713	.398	1.149	0.832	1.587
Level of education	0.041	.053	0.593	.441	1.041	0.939	1.155
Number of years in law enforc.	0.007	.016	0.207	.649	1.007	0.976	1.040
Rank within department	−0.086	.069	1.559	.212	0.918	0.802	1.050
Working with partner	−0.068	.129	0.276	.600	0.934	0.725	1.204
Frequency of shift change	0.055	.036	2.434	.119	1.057	0.986	1.133
Days/weeks in vigorous activit.	−0.208	.035	35.378	.000	0.812	0.758	0.870
Physiological demands	0.338	.062	29.410	.000	1.402	1.241	1.584
Danger associated W/job	0.155	.059	6.992	.008	1.168	1.041	1.311
Used counseling	−0.404	.241	2.809	.094	0.668	0.416	1.071
Stigma assoc. W/counseling	0.088	.053	2.768	.096	1.092	0.984	1.212
Constant	0.025	.608	0.002	.967	1.026	–	–
(C & S) R2 = .087 (N) R2 = .125; correct classification of cases 71.9%