Table 3

Predictors of non-adherence to ART and anti-TB medication (N = 757)
Socio-demographics Crude OR (95% CI) Adjusted OR (95% CI)a,b
Age 18–34 1.00 1.00
Age 35–44 0.68 (0.49–0.95)* 0.63 (0.38–1.03)
Age 45 and older 1.12 (0.76–1.64) 0.90 (0.49–1.67)
Female 1.00 1.00
Male 1.61 (1.20–2.16)*** 1.49 (0.95–2.32)
Grade 7 or less 1.00 1.00
Grade 8–11 0.66 (0.47–0.93)* 1.13 (0.67–1.93)
Grade 12 or more 0.79 (0.53–1.17) 1.19 (0.65–2.18)
Poverty low 1.00 1.00
Poverty medium 3.14 (2.05–4.79)*** 2.60 (1.46–4.65)***
Poverty high 7.13 (4.36–11.66)*** 3.89 (1.87–8.12)***
Health variables
Perceived health status
Very good/good 1.00 1.00
Good 0.41 (0.28–0.59)*** 0.69 (0.40–1.17)
Fair/Poor 0.20 (0.14–0.29)*** 0.28 (0.17–0.49)***
TB retreatment patient 1.00 1.00
New TB patient 0.51 (0.37–0.71)*** 0.67 (0.42–1.07)
Chronic conditions
Zero 1.00 1.00
One 1.39 (0.91–2.12) 1.72 (1.01–2.94)*
Two 1.50 (0.87–2.58) 2.73 (1.31–5.65)**
Three or more 2.45 (1.33–0.45)** 5.33 (2.27–12.55)***
Severe psychological distress (K ≥ 30) 1.00 (0.72–1.37)
Alcohol: low risk (AUDIT 0–7) 1.00 1.00
Medium (AUDIT 8–19) 1.65 (1.11–2.45)* 1.08 (0.56–2.09)
High (AUDIT 20–40) 2.76 (1.30–5.86)** 13.09 (2.96–57.99)*
Current tobacco use 2.30 (1.65–3.19)*** 1.44 (0.85–2.43)
Partner HIV negative/unknown 1.00 1.00
Partner HIV positive 2.41 (1.75–3.32)*** 3.12 (1.84–5.29)***
Had sex in past 3 months 1.44 (1.07–1.93)* 1.48 (0.96–2.28)
Sex partner on ART 0.51 (0.35–0.74)*** 0.50 (0.25–0.97)*

*P < 0.05; ** P < 0.01; *** P < 0.001.

aUsing “enter” LR selection of variables.

bHosmer and Lemeshow Chi-square 13.14df8, 0.107; Cox and Snell R2 0.24; Nagelkerke R2 0.33.

Naidoo et al.

Naidoo et al. BMC Public Health 2013 13:396   doi:10.1186/1471-2458-13-396

Open Data