Table 3.

Odds ratios and 95% confidence intervals for sociodemographic characteristics and MSA status associated with patient visits to osteopathic physicians for primary care, according to United States Census region*†

	Northeast			Midwest			South			West
Characteristic	OR	95% CI	P	OR	95% CI	P	OR	95% CI	P	OR	95% CI	P
Age (yrs)			< .001			< .001			.01			.03
< 15	0.13	0.08 - 0.20		0.37	0.22 - 0.62		0.44	0.25 - 0.76		0.52	0.30 - 0.91
15-24	0.57	0.44 - 0.73		0.69	0.52 - 0.93		0.93	0.72 - 1.20		0.93	0.65 - 1.31
25-44	1.00			1.00			1.00			1.00
45-64	0.86	0.68 - 1.08		0.88	0.76 - 1.03		0.95	0.81 - 1.12		1.22	0.95 - 1.56
65-74	0.76	0.49 - 1.17		0.62	0.50 - 0.75		0.88	0.70 - 1.11		1.14	0.79 - 1.63
75+	0.53	0.34 - 0.85		0.54	0.41 - 0.73		0.81	0.61 - 1.08		1.08	0.65 - 1.81
Sex			.43			.35			.81			.01
Female	0.92	0.75 - 1.13		1.06	0.93 - 1.21		0.99	0.88 - 1.10		0.79	0.66 - 0.94
Male	1.00			1.00			1.00			1.00
Race			.31			< .001			.04			< .001
White	1.00			1.00			1.00			1.00
Black	0.64	0.32 - 1.27		0.54	0.32 - 0.93		0.54	0.33 - 0.86		0.66	0.44 - 1.01
Other	0.67	0.31 - 1.46		0.31	0.18 - 0.52		1.09	0.40 - 2.99		0.26	0.14 - 0.47
Ethnicity			.02			< .001			.88			.18
Hispanic	0.36	0.18 - 0.76		0.57	0.38 - 0.87		1.01	0.61 - 1.67		0.64	0.32 - 1.30
Not Hispanic	1.00			1.00			1.00			1.00
MSA status			.41			.04			.66			.49
MSA	1.00			1.00			1.00			1.00
Non-MSA	0.54	0.12 - 2.36		1.74	1.04 - 2.92		0.83	0.36 - 1.91		0.72	0.29 - 1.82

*CI denotes confidence interval; MSA, metropolitan statistical area; OR, odds ratio. ORs and 95% CIs are for osteopathic physicians (DOs) relative to allopathic physicians (MDs).

†The results were computed using a multiple logistic regression model that included each of the characteristics in the table.