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Table 1 Determinants of vitamin D status in TB cases and controls

From: Vitamin D deficiency associates with susceptibility to tuberculosis in Pakistan, but polymorphisms in VDR, DBP and CYP2R1 do not

   TB cases Control
Characteristics   25 (OH) D ≤20 nmol/l aOR(95 % CI)a P 25(OH) D ≤20 nmol/l aOR(95 % CI)a P
Age >30 years 56/124 (45 %) Ref   17/50 (34 %) Ref  
≤30 years 62/136 (46 %) 1.26(0.71-2.32) 0.44 17/62 (27 %) 1.46(0.60-3.56) 0.40
Sex Male 43/120 (36 %) Ref - 11/58 (19 %) Ref -
Female 75/140 (54 %) 2.31(1.33-4.01) 0.003 23/54 (43 %) 3.67(1.38-9.70) 0.01
Marital status Single 49/114 (43 %) Ref - 16/54 (30 %) Ref -
Married 69/146 (46 %) 1.34(0.71-2.55) 0.36 18/58 (31 %) 1.63(0.64-1.43) 0.30
Monthly income, PKR <10,000 84/177 (47 %) 1.27(0.73-2.20) 0.38 18/62 (29 %) 1.0(0.42-2.40) 0.98
≥10,000 34/83 (41 %) Ref - 16/50 (32 %) Ref -
Month of recruitment April-September 53/137 (39 %) Ref - 10/53 (19 %) Ref -
October-March 65/123 (53 %) 1.89(1.14-3.16) 0.01 24/59 (41 %) 2.55(1.03-6.31) 0.04
  1. aOdds ratio adjusted for age, sex, marital status, monthly income and month of recruitment. PKR Pakistani rupees, 25(OH)D, 25-hydroxyvitamin D