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Table 6 Association between behavioural variables (moderating factors), information-motivation-behavioural skills model and ART adherence

From: Antiretroviral treatment adherence among HIV patients in KwaZulu-Natal, South Africa

   VAS adherence (≥ 95%) Dose, schedule and food adherence
Behavioural variables (moderating factors) N (%)
519
Crude OR
(95% CI)
P Adjusted ORa, b
(95% CI)
P Crude OR
(95% CI)
P Adjusted ORa, c
(95% CI)
P
TCAM use for HIV          
No 375 (72.0) 1.00   1.00   1.00    
Yes 144 (28.0) 0.41 (0.28-0.66) .000 0.62 (0.29-1.34) .226 0.66 (0.43-1.00) .049 ...  
Herbal use for HIV          
No 476 (92.0) 1.00   1.00   1.00   1.00  
Yes 43 (8.0) 0.13 (0.07-0.26) .000 0.70 (0.21-1.61) .296 0.04 (0.02-0.12) .000 0.12 (0.03-0.51) .004
Past month alcohol use          
No 509 (97.5) 1.00   1.00   1.00    
Yes 13 (2.5) 0.08 (0.03-0.28) .000 0.47 (0.04-5.84) .556 0.03 (0.00-0.25) .001 ...  
AUDIT-C 4 or more          
No 506 (98.1) 1.00   1.00   1.00    
Yes 10 (1.9) 0.08 (0.02-0.33) .000 0.76 (0.04-13.48) .851 0.04 (0.01-0.35) .003 ...  
Discrimination experiences score (higher score= higher level of discrimination)   0.44 (0.36-0.54) .000 0.60 (0.46-0.78) .000 0.20 (0.15-0.27) .000 0.28 (0.19-0.41) .000
Stigma score (higher score= higher stigma)   1.11 (0.97-1.27) .141 ...   0.98 (0.88-1.09) .717 ...  
Social support score (higher score = higher support   1.26 (1.13-1.40) .000 1.20 (1.00-1.45) .046 1.17 (1.08-1.28) .000 0.97 (0.81-1.17) .769
Information-motivation-behavioural skills model          
IMB adherence information (higher score = higher adherence information)   1.42 (1.31-1.55) .000 1.11 (1.01-1.22) .032 1.55 (1.43-1.69) .000 1.26 (1.12-1.43) .000
IMB adherence motivation (higher score = higher adherence motivation)   1.13 (1.08-1.17) .000 1.03 (0.97-1.10) .333 1.14 (1.10-1.18) .000 1.02 (0.96-1.10) .482
IMB behavioral skills (higher score = higher behavioural skills)   1.21 (1.16-1.26) .000 1.07 (1.01-1.14) .023 1.34 (1.28-1.41) .000 1.14 (1.07-1.21) .000
  1. a Using block entry; bHosmer and Lemeshow Chi-square = 4.93, df = 8, p = .7.65; bCox & Snell R2 .25; b Nagelkerke R2 .41;
  2. cHosmer and Lemeshow Chisquare = 13.26, df = 8, p.103; cCox & Snell R2 .52; c Nagelkerke R2 .74