Adjusted odds ratios for increased reporting of risk behaviours for HIV transmission when data collected by ICVI method: the effect of excluding cases with internally inconsistent reports, among sexually experienced men and women aged 15–54 years in Zimbabwe
| Risk behaviour | OR* | 95% CI | p Value | n† |
|---|---|---|---|---|
| *Odds ratio adjusted for sex, age, marital status, socioeconomic location, education level, in-migration in last three years, and survey round. | ||||
| †Exclude polygamously married men and illiterate respondents. | ||||
| ‡Exclude respondents reporting (1) a sexual partner in the past month but no sex for more than one year; (2) more new partners than total partners in the past year; (3) more current than lifetime partners; and (4) greater condom use than sex acts with their most recent partner in the last two weeks. | ||||
| New partner in last year | ||||
| All cases | 1.57 | 1.40–1.76 | <0.001 | 12552 |
| Consistent cases‡ | 1.44 | 1.28–1.62 | <0.001 | 11787 |
| More than one partner in last month | ||||
| All cases | 1.72 | 1.31–2.25 | <0.001 | 12526 |
| Consistent cases | 1.64 | 1.22–2.21 | 0.001 | 11769 |
| More than one current partner | ||||
| All cases | 1.39 | 1.13–1.70 | <0.001 | 12547 |
| Consistent cases | 1.24 | 1.00–1.56 | 0.054 | 11785 |
| Last or previous partner a casual partner | ||||
| All cases | 1.35 | 1.10–1.65 | 0.004 | 7550 |
| Consistent cases | 1.23 | 1.00–1.53 | 0.054 | 7056 |
| Unprotected sex with recent casual partner | ||||
| All cases | 1.34 | 0.87–2.08 | 0.185 | 679 |
| Consistent cases | 1.34 | 0.86–2.10 | 0.193 | 626 |