. Author manuscript; available in PMC: 2014 Mar 18.

Published in final edited form as: World J AIDS. 2012;2(3):126–134. doi: 10.4236/wja.2012.23018

Table 4. Bivariate analysis of the relationship between weekly income, depression, and other explanatory variables.

	Correlation coefficient with weekly income¹	P-value

*Depression Measures*

PHQ-9 total score	−0.129	0.004
Cognitive sub-scale of PHQ-9	−0.103	0.022
Somatic sub-scale of PHQ-9	−0.128	0.004

*Other Explanatory variables*

Physical health functioning	0.119	0.008
Internalized HIV stigma	−0.034	0.447
Work self-efficacy	0.118	0.009
Social support	0.079	0.079

Natural log transformation of income