Table 1: Characteristics of medical residents responding to TB risk questionnaire.

VariablesResponded to only structured
questions
Responded to structured and open-ended

Study participants: 263200
Mean age: years (SD)27.2 (3.6)27.3 (3.6)
Male gender: /responses (%)147/263 (60)111/200 (56)
Year of residency: /responses (%)
 First year97/263 (37)73/200 (36)
 Second year87/263 (33)66/200 (33)
 Third year79/263 (30)61/200 (31)
Working 12 hours/day: /responses (%)115/251 (46)94/194 (49)
Daily exposure to known TB patients or specimens: /responses (%)141/222 (64)104/168 (62)
Assessed for TB in the past: /responses (%)40/254 (16)35/193 (18)
Past history of TB: /responses (%)13/253 (5)12/193 (6)
Know a resident colleague with TB: /responses (%)115/251 (46)94/194 (49)
Concerned about being infected with TB at workplace: /responses (%)205/263 (78)161/200 (81)
Concerned about being infected with drug-resistant TB at workplace: /responses (%)232/263 (88)183/200 (92)

of residents who responded to the open-ended question about TB risk concerns.