Table 5 Univariable and multivariable analysis of risk factors for DR-TB in overweight TB cases

Age (years) (n = 297/n = 75)

0–14

1 (0.34%)

0 (0%)

NA

NA

NA

NA

15–24

18 (6.06%)

5 (6.67%)

Reference

Reference

Reference

Reference

25–44

99 (33.33%)

25 (33.33%)

0.909 (0.308–2.687)

0.863

0.687 (0.224–2.11)

0.512

45–64

113 (38.05%)

35 (46.67%)

1.115 (0.386–3.221)

0.841

0.84 (0.278–2.534)

0.756

 > 65

66 (22.22%)

10 (13.33%)

0.545 (0.165–1.799)

0.319

0.434 (0.121–1.557)

0.2

Sex (n = 297/n = 76)

Female

58 (19.53%)

7 (9.21%)

Reference

Reference

Reference

Reference

Male

239 (80.47%)

69 (90.79%)

2.392 (1.044–5.479)

0.039*

2.611 (1.107–6.158)

0.028*

Cavity (n = 281/n = 68)

No

142 (50.53%)

29 (42.65%)

Reference

Reference

Reference

Reference

Yes

139 (49.47%)

39 (57.35%)

1.374 (0.805–2.345)

0.244

1.298 (0.736–2.287)

0.367

Smoking (n = 259/n = 69)

No

204 (78.76%)

57 (82.61%)

Reference

Reference

Reference

Reference

Yes

55 (21.24%)

12 (17.39%)

1.517 (0.643–3.577)

0.341

0.743 (0.321–1.724)

0.49

Drinking (n = 260/n = 69)

No

207 (79.62%)

59 (85.51%)

Reference

Reference

Reference

Reference

Yes

53 (20.38%)

10 (14.49%)

0.662 (0.317–1.381)

0.271

0.629 (0.261–1.516)

0.302

Co-morbidity (n = 297/n = 76)

No

239 (80.47%)

59 (77.63%)

Reference

Reference

Reference

Reference

COPD

10 (3.37%)

2 (2.63%)

0.776 (0.166–3.617)

0.746

0.265 (0.031–2.293)

0.228

Diabetes

41 (13.8%)

11 (14.47%)

1.057 (0.515–2.169)

0.881

1.235 (0.563–2.708)

0.599

Hypertension

12 (4.04%)

2 (2.63%)

0.642 (0.141–2.931)

0.567

0.705 (0.138–3.615)

0.676

Other co-morbidity

16 (5.39%)

6 (7.89%)

1.505 (0.568–3.987)

0.411

4.34 (1.053–17.928)

0.042*