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Table 2 Factors associated with bacteriologically-confirmed pulmonary tuberculosis among 456 household contacts

From: Investigation of household contacts of pulmonary tuberculosis patients increases case detection in Mwanza City, Tanzania

Contact characteristics Tuberculosis Univariate Multivariate
Yes n (%) No n (%) OR [95% CI] p-value OR [95% CI] p-value
Age in years
  < 5 1 (16.7) 5 (83.3) 1.0    
 5–14 3 (4.6) 63 95.4) 0.2 [0.02 – 2.7] 0.249 - -
 15–19 2 (4.4) 43 (95.6) 0.2 [0.02 – 3.0] 0.269 - -
 20–24 6 (10.0) 54 (90.0) 0.6 [0.06 – 5.6] 0.617 - -
 25–44 10 (5.5) 172 (94.5) 0.3 [0.03 – 2.7] 0.280 - -
 45–64 7 (8.2) 78 (91.8) 0.4 [0.05 – 4.4] 0.491 - -
  > 65 0 (0.0) 12 (100.0) - - - -
Sex
 Male 20 (7.7) 240 (92.3) 1.0    
 Female 9 (4.6) 187 (95.4)  0.6 [0.3 - 1.3]  0.184 - -
Education
 Illiterate 7 (9.2) 69 (90.8) 1.0    
 Primary 18 (6.3) 267 (93.7) 0.7 [0.3 – 1.7] 0.380 - -
 Secondary/Tertiary 4 (4.2) 91 (95.8) 0.4 [0.1 – 1.5] 0.196 - -
Marital Status
  Single 7 (3.5) 196 (96.6) 1.0    
  Married 22 (8.7) 231 (91.3) 3.3 [1.1 – 6.4] 0.027 3.3[1.4 – 8.0] 0.012
Relationship
 Child 7 (8.9) 72 (91.1) 1.0    
 Siblings 10 (5.3) 177 (94.7) 0.6 [0.2 – 1.6] 0.289 - -
 Spouse 2 (8.3) 22 (91.7) 0.9 [0.2 – 4.9] 0.936 - -
 Uncle-Aunt 1 (4.2) 23 (95.8) 0.4 [0.1 – 3.8] 0.463 - -
 Parent/Grand parent 9 (6.3) 133 (93.7) 0.7 [0.3 – 2.0] 0.490 - -
Number of people per 5 square metres
  < 5 4 (10.8) 33 (89.2) 1.0    
 5–9 14 (7.6) 171 (92.4) 0.7 [0.2 – 2.2] 0.512 - -
 10–14 10 (5.5) 173 (94.5) 0.5 [0.1 – 1.6] 0.233 - -
 15–20 1 (2.0) 50 (98.2) 0.2 [0.02 – 1.5] 0.114 - -
Number of meals per day
  > 3 meals 12 (4.5) 258 (96.5) 1.0    
  ≤ 3 meals 17 (9.1) 169 (90.9) 2.1 [1.1 – 4.60] 0.048 3.7 [1.6 – 8.7] 0.009
Distance to health facility
  < 1 Km 3 (3.3) 89 (96.7) 1.0    
 1–4.9 Km 23 (6.9) 311 (93.1) 2.2 [0.6 – 7.5] 0.209 - -
 5–10 Km 3 (10.0) 27 (90.0) 3.2 [0.6 – 17.3] 0.158 - -