Table 1.

Variable assignment

Variable	Variable assignment
BMI (kg/m2)	0 = BMI ⩾ 18·5,1 = BMI  < 18·5
Level of education	0 = Low (illiteracy, elementary school, or middle school), 1 = high (college, university, or above)
Institution where the first diagnosis was made	0 = TB prevention and control institution, specialized hospital, 1 = general hospital, 2 = private hospital or others
Place where first medicine was taken	0 = Home, 1 = medical institutions (TB prevention and control institution, TB specialized hospital, or general hospital), 2 = temporary living places (short-term living place, hotel or the places where homeless people stay)
Number of treatment	0 = 1, 1 = 2 or more
History of BCG vaccination	0 = No, 1 = yes
Previous treatment duration	0 = ⩽6 months,1 = >6 months
Type of retreatment	0 = Relapse, 1 = initial treatment failure, 2 = others (patients with returning, immigration, or irregular and irrational use of anti-TB drugs over 1 month)
Treatment regimen	0 = Standard retreatment regimen, 1 = optimal regimen
Medication supervision	0 = No, 1 = yes
Culture result after 2 months of treatment	0 = Negative, 1 = positive
Drug resistance	0 = No, 1 = yes