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. Author manuscript; available in PMC: 2018 Jul 30.

Published in final edited form as: AIDS Care. 2016 Mar 24;28(7):919–926. doi: 10.1080/09540121.2015.1124984

Table 4.

Mediation analysis of the effect of adherence self-efficacy on the relationship of influence of side effect and adherence to ART

	Model 1: (X → M)	Model 2: (X → Y)	Model 3: (X, M → Y)

	DV=Self-efficacy (a)	DV=Adherence (c)	DV=Adherence (c′) (b)
Age	−0.027 (0.013)^*	0.016 (0.006)^*	0.017 (0.006)^**
Gender	−0.112 (0.322)	0.038 (0.138)	0.048 (0.140)
Ethnicity	−0.103 (0.307)	−0.537 (0.140)	−0.566 (0.143)^***
Residence	0.770 (0.381)^*	−0.347 (0.154)^*	−0.380 (0.158)^*
Year of formal schooling	0.178 (0.052)^**	0.053 (0.022)^**	0.044 (0.023)
Monthly household income	0.298 (0.136)^*	−0.134 (0.053)^*	−0.157 (0.054)^**
Drug use	−0.793 (0.429)	−0.303 (0.169)	−0.262 (0.171)
Depressive symptoms	−0.194 (0.026)^***	0.000 (0.011)^***	0.011 (0.012)
Perceived HIV stigma	0.158 (0.042)^***	−0.048 (0.019)^***	−0.063 (0.019)^**
Side effect severity	−0.692 (0.174)^***	−0.340 (0.065)^***	−0.300 (0.066)^***
Adherence self-efficacy	-	-	0.054 (0.009)^***
Sobel test, z-value	−3.315 (0.011)^***

Note: Numbers in the cells are unstandardized coefficients (SE).

X: Influence of side effect; M: Adherence self-efficacy; Y: Adherence to ART.

^*

p<0.05;

^**

p<0.01;

^***

p<0.001.