. 2014 Jun;104(Suppl 3):S312–S319. doi: 10.2105/AJPH.2013.301635

TABLE 1—

Estimated Brass Relational Logit Model Parameters a and b for the Non-Hispanic American Indian and Alaska Native Population in Contract Health Service Delivery Area Counties: United States, 2007–2009

	Total	Male	Female
a (95% CI)	−0.1884 (−0.2349, −0.1418)	−0.1857 (−0.2437, −0.1276)	−0.1794 (−0.2190, –0.1398)
b (95% CI)	0.8377 (0.8271, 0.8483)	0.8327 (0.8188, 0.8465)	0.8413 (0.8327, 0.8498)
Model R²	0.9985	0.9975	0.9990
F (1,38)	25 718.36	14 864.31	39 768.97
Prob > F	0.0000	0.0000	0.0000

Note. CI = confidence interval.