Factors associated with suboptimal adherence to antiretroviral therapy in Viet Nam: a cross-sectional study using audio computer-assisted self-interview (ACASI)

Table 4 Continuous factors

Factors	Mean of optimal adherent group (n=462)	Mean of suboptimal adherent group (n=153)	Unadjusted OR¹(95% CI)	Adjusted OR²(95% CI)	P value³
Side-effects experienced	20.64	27.19	1.02(1.01–1.04)	1.03(1.01–1.04)	<0.001
Chance health locus of control	16.6	18.69	1.06(1.02–1.09)	1.06(1.02–1.09)	0.001
Social related factors
Perceived quality of information from HCPs	23.32	22.16	0.91(0.86–0.95)	0.93(0.88–0.99)	0.021
Satisfaction with received support	8.49	7.73	0.88(0.82–0.95)	0.94(0.86–1.02)	0.138
Social connectedness	10.89	9.65	0.90(0.86–0.95)	0.94(0.88–0.99)	0.033

¹ unadjusted odds ratio of suboptimal adherence is obtained from the univariate analysis; ² adjusted odds ratio is obtained from multivariate analysis (95% confidence interval); ³ p values of the adjusted odds ratio.

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