Table 3. Linear regression of HIV prevalence on GINI coefficient, median income, GINI-median income interaction term, and rural vs. urban for communes in Thai Nguyen, Vietnam (N = 32).

Predictor	Coefficient	p value	95% CI, lower	95% CI, upper
GINI coefficient (/10)	0.359	0.006	0.110	0.607
Median monthly income, USD (*10)	0.122	0.053	−0.01	0.246
GINI-median income interaction term	−0.035	0.027	−0.066	−0.004
Urban (vs. rural)	−0.047	0.181	−1.97	0.075