Descriptive analysis of the proportion of time at and off work
| Off work (%) | Total, (person-years) | ||||
| Factor | At work (%) | Medical | Leave | Unauthorised absence | |
| Total | 83.0 | 2.7 | 13.1 | 1.3 | 34 424 |
| HIV status | |||||
| Positive | 79.3 | 5.5 | 13.4 | 1.9 | 6643 |
| Negative | 83.9 | 2.1 | 13.0 | 1.1 | 27 781 |
| Calendar period | |||||
| 1992–1995 | 84.3 | 1.7 | 12.3 | 1.7 | 7080 |
| 1995–1996 | 81.9 | 2.5 | 14.0 | 1.7 | 8764 |
| 1997–1998 | 82.1 | 3.6 | 13.2 | 1.1 | 8206 |
| 1999–2000 | 83.7 | 2.8 | 12.7 | 0.8 | 6019 |
| 2001–2002 | 83.7 | 3.1 | 12.8 | 0.5 | 4354 |
| Age (years) | |||||
| <30 | 82.9 | 2.6 | 12.6 | 2.0 | 5237 |
| 30–39 | 83.2 | 2.6 | 13.0 | 1.2 | 17 539 |
| 40+ | 82.7 | 2.9 | 13.4 | 1.0 | 11 648 |
| No of years since HIV seroconversion | |||||
| <2 | 78.5 | 4.8 | 14.2 | 2.6 | 1927 |
| 2 to <4 | 79.5 | 5.2 | 13.3 | 2.0 | 1972 |
| 4 to <6 | 79.6 | 6.0 | 12.9 | 1.5 | 1532 |
| 6 to <8 | 79.9 | 5.9 | 13.0 | 1.2 | 857 |
| 8+ | 79.3 | 7.1 | 12.6 | 1.0 | 355 |