HIV prevalence among 2017 MLSFH-MAC respondents, and HIV incidence among 2012 to 2017 MLSFH-MAC respondents
| Women | Men | Total | |
| 2012 MLSFH mature adults (n=1217) | |||
| HIV prevalence, all 2012 respondents | 4.5% | 5.3% | 4.8% |
| HIV positive, 2012 respondents aged 45 to 49 | 5.9% | 8.5% | 6.9% |
| HIV prevalence among those who | |||
| Died by 2017 (n=125) | 6.8% | 7.6% | 7.2% |
| Survived to 2017 (n=1122) | 4.3% | 4.9% | 4.5% |
| 2017 MLSFH mature adults (n=1555) | |||
| HIV prevalence, all 2017 respondents | 8.8% | 7.6% | 8.3% |
| HIV prevalence, 2017 respondents aged 45 to 49 | 14.6% | 9.2% | 12.6% |
| HIV incidence (%, among respondents tested | 0.15% | 0.83% | 0.43% |
| both 2012 and 2017) | |||
| HIV incidence rate (per 1000 person years, among | 0.30 | 1.66 | 0.87 |
| respondents tested in both 2012 and 2017) | |||
1200 MLSFH-MAC respondents were tested for HIV in 2012, updating earlier HIV tests from 2004 to 2008 available through linkage to MLSFH. 1551 MLSFH-MAC respondents were tested for HIV in 2017. Combined with earlier MLSFH HIV tests, HIV status information is available for 1247 MLSFH-MAC respondents in 2012, for 1598 in 2017 and for 1080 who were surveyed in both 2012 and 2017.
MLSFH-MAC, Mature Adults Cohort of the Malawi Longitudinal Study of Families and Health.