Table 2.

Regression results, use of traditional and biomedical services for physical health problems

	Southwest Tribe				Northern Plains Tribe
	Independent probit model		Independent probit model with biomedical variable		Independent probit model		Independent probit model with biomedical variable
Used traditional services	estimate	p-value	estimate	p-value	estimate	p-value	estimate	p-value
Age ≥ 45	0.1260	0.289	0.1203	0.312	0.0801	0.562	0.0808	0.559
Female	0.1414	0.214	0.1343	0.239	0.1581	0.235	0.1589	0.233
Married	0.0523	0.652	0.0562	0.629	0.1136	0.390	0.1141	0.388
Some post high school education	−0.0886	0.464	−0.1183	0.337	0.2123	0.146	0.2140	0.145
Income < poverty level	0.0337	0.776	0.0441	0.711	−0.0256	0.856	−0.0265	0.851
Indian identity scale	0.9652	0.000	0.9605	0.000	0.8222	0.000	0.8231	0.000
Proportion of life in current community	−0.0903	0.557	−0.0737	0.633	−0.1677	0.358	−0.1672	0.360
Physical health score	−0.0218	0.000	−0.0209	0.000	−0.0207	0.000	−0.0208	0.000
Used biomedical services	n/a	n/a	0.1477	0.198	n/a	n/a	−0.0144	0.917
Used biomedical services	estimate	p-value			estimate	p-value
Age ≥ 45	0.0571	0.594			0.1763	0.096
Female	0.1750	0.088			0.1641	0.086
Married	0.3474	0.735			0.1385	0.144
Some post high school education	0.4666	0.000			0.3520	0.001
Income < poverty level	−0.2506	0.019			−0.1520	0.138
Proportion of life in current community	−0.2453	0.079			0.0537	0.687
Physical health score	−0.0236	0.000			−0.2221	0.000
Had to cross reservation boundary	0.0279	0.860			0.4121	0.142
Travel distance	−0.0034	0.161			−0.0092	0.007
Elevation difference	0.0002	0.549			−0.0018	0.029
Bad roads	−0.0364	0.631			0.0575	0.412