| Variable name | Variable description | Coding | ||
| idnum | study number assigned to participant | |||
| age | age in years | 1=<28 | ||
| 2=29-33 | ||||
| 3=34-38 | ||||
| 4=39-45 | ||||
| 5=>45 | ||||
| gender | gender | 1 = male | ||
| 2 = female | ||||
| cd4 | cd4 cell count in cells/mm3 | 1 = 0 - 100 | ||
| 2 = 100 - 350 | ||||
| 3 = 350 - 500 | ||||
| 4 = 500 - max | ||||
| TBSx | number of symptoms suggestive of TB (cough, fever, unintentional weight loss or night sweats) | 0 = no symptoms | ||
| 1 = 1 symptom | ||||
| 2 = 2 symptoms | ||||
| 3 = 3 symptoms | ||||
| 4 = 4 symptoms | ||||
| edu | education | 1 = <grade3 | ||
| 2 = grade 4-7 | ||||
| 3 = grade 8-11 | ||||
| 4 = grade 12+ | ||||
| dwelling | dwelling | 1 = house/flat | ||
| 2 = room/flatlet | ||||
| 3 = informal | ||||
| maritalstatus | marital status | 1 = single never married | ||
| 2 = married/ cohabiting | ||||
| 3 = divorced/ | ||||
| separated/widowed | ||||
| water | water source | 1 = piped water inside dwelling | ||
| 2 = piped water inside yard | ||||
| 3 = piped water on community stand | ||||
| cat_formal | Formal employment as primary source of reported income | 0 = no | ||
| 1 = yes | ||||
| cat_informal | Informal employment as primary source of reported income | 0 = no | ||
| 1 = yes | ||||
| cat_selfempl | Self-employment as primary source of reported income | 0 = no | ||
| 1 = yes | ||||
| cat_govgrant | Government grants as primary source of reported income | 0 = no | ||
| 1 = yes | ||||
| cat_other | Other source of income as primary source of income | |||
| pubprov | number of monthly visits to public healthcare provider | |||
| privprov | number of monthly visits to a private healthcare provider | |||
| modetravel | primary mode of travel to public clinic | 1 = walked | ||
| 2 = bus/ taxi | ||||
| 3 = car | ||||
| pubprov_SxHIV | Number of visits to public provider for symptoms and HIV care | |||
| privprov_SxHIV | Number of visits to private provider for symptoms and HIV care | |||
| pubprov_Sx | Number of visits to public provider for symptoms only | |||
| privprov_Sx | Number of visits to private provider for symptoms only | |||
| pubprov_HIV | Number of visits to public provider for HIV care only | |||
| privprov_HIV | Number of visits to public provider for HIV care only | |||
| pubprov_nonTBHIV | Number of visits to public provider for non-HIV/TB services | |||
| privprov_nonTBHIV | Number of visits to private provider for non-HIV/TB services | |||
| pubprov_other | Number of visits to public provider for other combination of services | |||
| pubprov_other | Number of visits to private provider for other combination of services | |||
| totalincome | reported total income (individual), monthly in USD | |||
| directcosts | direct costs, monthly in USD | |||
| indirectcosts | indirect costs, monthly in USD, reported income approach | |||
| indirectcosts2 | indirect costs, monthly in USD, minimum wage approach | |||
| carercosts | carer costs, monthly in USD | |||
| borrow | money borrowed, monthly in USD | |||
| assets | value of assets sold, monthly in USD | |||
Missing demographic values were excluded from the analysis, assumed to be missing at random and reported as such, without imputation.