| Variables | Description | |
| Children | SChild | Children susceptible to TB |
| LChild | Children with latent TB | |
| AChild | Children with active TB | |
| HIV− Adults | SHIV− | HIV− Adults susceptible to TB |
| LHIV− | HIV− Adults with latent TB | |
| HHIV− | HIV− Adults with active infectious TB | |
| AHIV− | HIV− Adults with active TB | |
| HIV+ Adults | SHIV+ | HIV+ Adults susceptible to TB |
| LHIV+ | HIV+ Adults with latent TB | |
| AHIV+ | HIV+ Adults with active TB |