Table 4 Factors associated with severe vitamin D deficiency (vitamin D level <25 nmol/L) among TB patients and community controls, Northwest Ethiopia (n =196)

 Male

59(45)

72(55)

1.02(0.56–1.85)

 Female

29(44.6)

36(55.4)

1

 <18

13(59.1)

9(40.9)

1

 18–30

45(38.8)

71(61.2)

2.27(0.90–5.76)

 31–50

24(50)

24(50)

1.44(0.52–4.01)

 >50

6(60)

4(40)

09.6(0.214.42)

 <18.5

56(55.6)

43(43.4)

2.7(1.48–4.73)*

2.13(1.02–3.28)*

 >18.5

32(33)

65(67)

1

1

 TB positive

67(53.2)

59(46.8)

2.5(1.36–4.52)*

1.93(1.06–2.86) *

 TB negative

21(30)

49(70)

1

1

 Yes

19(59.4)

13(40.6)

0.48(0.08–2.8)

 No

69(42.1)

95(57.9)

1

 Urban

69(60.5)

45(39.5)

0.194(0.05–0.8)*

11.3(0.83–153.5)

 Rural

19(23.2)

63(76.8)

1

1