Table 3.
Multiple logistic regression models for the association between HIV testing and four sexual risk behaviours (adjusted odds ratios with 95% confidence intervals in parentheses) in Edendale and Vulindlela, KwaZulu-Natal, survey period 2014 to 2016
| Survey 2014/2015 | Survey 2015/2016 | |||||
|---|---|---|---|---|---|---|
| [1]a Condom use last partnerb |
[2] Transaction sexc |
[3] Sex partners 12 mo.d |
[4] Condom use last partnerb |
[5] Transaction sexc |
[6] Sexual partners 12 mo. d |
|
| HIV tested (vs. did not test) | 0.62*** (0.49–0.78) | 0.62*** (0.50–0.77) | 1.18 (0.89–1.55) | 0.91 (0.72–1.14) | 1.07 (0.78–1.48) | 0.81 (0.65–1.02) |
| 15–24 years (vs. 35–49 years) | 0.66*** (0.54–0.81) | 0.84 (0.68–1.04) | 2.14*** (1.57–2.92) | 1.00 (0.83–1.20) | 0.98 (0.78–1.22) | 1.79*** (1.43–2.24) |
| 25–34 years (vs. 35–49 years) | 1.06 (0.87–1.29) | 1.12 (0.93–1.35) | 1.90*** (1.40–2.57) | 1.32** (1.10–1.58) | 1.16 (0.95–1.42) | 1.62*** (1.30–2.01) |
| Male (vs. female) | 0.75*** (0.64–0.88) | 0.79* (0.65–0.96) | 7.01*** (5.53–8.88) | 0.76*** (0.67–0.87) | 0.96 (0.83–1.12) | 4.62*** (3.93–5.44) |
| Married (vs. unmarried) | 1.24*** (0.90–1.72) | 0.66** (0.50–0.88) | 0.23*** (0.13–0.41) | 1.09 (0.86–1.39) | 0.63*** (0.48–0.84) | 0.36 (0.84–1.51) |
| Incomplete sec. school (vs. tertiary) | 1.51* (1.07–2.14) | 2.13*** (1.40–3.23) | 0.70 (0.43–1.14) | 1.29* (1.01–1.65) | 1.05 (0.74–1.48) | 1.12 (0.84–1.51) |
| Complete sec. school (vs. tertiary) | 1.33 (0.96–1.85) | 1.46 (0.96–2.20) | 0.58* (0.38–0.90) | 1.10 (0.87–1.39) | 1.10 (0.80–1.51) | 1.13 (0.85–1.49) |
| away > 1 mo. in previous year (vs. < 1mo. previous year) | 1.21 (0.89–1.63) | 1.29 (0.98–1.72) | 0.94 (0.64–1.38) | 0.92 (0.71–1.18) | 0.93 (0.67–1.30) | 1.62*** (1.27–2.07) |
| Highly food insecure (vs. food secure) | 0.85 (0.68–1.06) | 0.52*** (0.38–0.70) | 1.31 (0.99–1.74) | 0.87 (0.75–1.02) | 0.50*** (0.36–0.70) | 1.31** (1.08–1.61) |
| Moderate food insecure (vs. food secure) | 1.04 (0.78–1.39) | 0.75 (0.52–1.10) | 1.26 (0.82–1.93) | 0.78** (0.65–0.93) | 0.48*** (0.33–0.70) | 1.41*** (1.12–1.78) |
| Partner HIV positive (vs. don’t know partner status) | 0.59*** (0.42–0.84) | – | – | 1.06 (0.77–1.45) | – | – |
| Partner not HIV positive (vs. don’t know partner status) | 1.11 (0.88–1.39) | – | – | 1.23 (0.94–1.60) | – | – |
| Duration of last relationship (continuous) | 1.03*** (1.01–1.05) | – | – | 1.09*** (1.07–1.10) | – | – |
| Pseudo R2 | 0.05 | 0.04 | 0.20 | 0.07 | 0.03 | 0.17 |
| n | 7967 | 8271 | 6121 | 8860 | 8887 | 7819 |
aThe numbers in the brackets refer to the multivariate regression model number ***p < 0.001, **p < 0.01, *p < 0.05
bCondom use with most recent sexual partner in the last 12 months (0 = consistent condom use/always used condoms; 1 = inconsistent condom use/sometimes or never used condoms)
cEngaging in transactional sex (0 = not giving or receiving goods or money for sex in the previous year; 1 = have given or received goods or money for sex in the previous year)
dNumber of sexual partners in the previous year (0 = 0 to 1 sexual partner in the previous year; 1 = 2 or more sexual partners in the previous year)