Table 1– Characteristics of cases and controls
CaseFirst controlSecond control
Total200 (100)200 (100)200 (100)
Age# yrs35.2±13.234.6±12.734.7±11.9
Sex
 Male139 (69.5)130 (65.0)126 (63.0)
 Female59 (29.5)68 (34.0)69 (34.5)
 Unknown2 (1)2 (1)5 (2.5)
Family member with tuberculosis in past 5 yrs***
 Yes64 (32.0)7 (3.5)3 (1.5)
 No135 (67.5)193 (96.5)196 (98.0)
 Unknown1 (0.5)01 (0.5)
Solid fuel for cooking+
 Yes178 (89.0)171 (85.5)157 (78.5)
 No21 (10.5)28 (14.0)42 (21.0)
 Unknown1 (0.5)1 (0.5)1 (0.5)
Ever smoked***
 Yes52 (26.0)14 (7.0)12 (6.0)
 No146 (73.0)186 (93.0)183 (91.5)
 Unknown2 (1.0)0.05 (2.5)
Daily use of alcohol beverage§
 Yes25 (12.5)14 (7.0)12 (6.0)
 No167 (83.5)183 (91.5)178 (89.0)
 Unknown8 (4.0)3 (1.5)10 (5.0)
  • Data are presented as n (%) or mean±sd. #: p = 0.883; : p = 0.463; +: p = 0.064; §: p = 0.037; ***: p<0.001.