Table 2 Description of costs variables

Direct Cost

Feeding

Direct out-of-pocket payments for food and water while waiting at the health facility to waiting to pick up drugs

Travel/transportation

Cost associated with travel to and from the health facility for TB medications

Accommodation

Direct out-of-pocket payments for lodging( in case treatment supporters did not pick up drug early and have to sleep over the night)

Other: communication

Direct out-of-pocket payments on mobile credit/phone calls(made to TB patient or health care provider at DOTS center)

Indirect Cost (productivity losses associated with providing TB treatment support)

Time spent on travel/transportation

Productive time spent on travel to and from health facility for TB medications

Time spent with TB patient

Productive time spent with TB patient supervising/serving TB medications

Waiting Time

Productive time spent at health facility waiting for TB medications