Data collection tools produced as part of the PRACTECAL-EE sub-study to collect data on the standard of care for MDR-TB patients and the impact of treatment costs upon participant poverty levels. The baseline questionnaire (questionnaire 1) covers pre-treatment costs and is administered on day 1 of the intensive phase; questionnaire 2 covers Intensive Phase costs and is administered on Day 1 of the Continuation Phase (week 24); and Questionnaire 3 covers Continuation Phase costs and is administered on the final day of the continuation phase (week 48).