| No. | Variable | Description and Codes |
| 1 | Observed time | Months (continuous) |
| 2 | Square of observed time | Months squared (continuous) |
| 3 | Gender | Female (0), Male (1) |
| 4 | Age | Years (continuous) |
| 5 | Weight | Kilograms (continuous) |
| 6 | Functional status | Working (0), Ambulatory (1), Bedridden (2) |
| 7 | Alcohol use | No (−1), No opinion (0), Yes (1) |
| 8 | Tobacco use | No (−1), No opinion (0), Yes (1) |
| 9 | Number of opportunistic infections | Counts |
| 10 | TB infection status at baseline | Negative (0), Positive (1) |
| 11 | Awareness about ART | No (0), Yes (1) |
| 12 | Condom use | Not always use (0), Use always (1) |
| 13 | Number of living rooms at home | Counts |