Table 3 Crude and adjusted odds ratios (OR) and 95% confidence intervals (CI) of the 493 cases and 493 controls in the study in Southern Iran

38/12

1

1

130/76

0.50 (0.25 – 1.02)

0.53 (0.25 – 1.15)

227/197

0.34 (0.17 – 0.67)

0.47 (0.29 – 0.93)

98/208

0.14 (0.07 – 0.28)

0.23 (0.11 – 0.50)

< 0.001

< 0.001

42/25

1.80(1.07 – 3.02)

1.72 (0.96 – 3.07)

395/425

1

1

56/43

1.40 (0.91 – 2.13)

1.11 (0.86 – 2.24)

0.75

0.09

179/292

1

1

155/123

2.05 (1.51 – 2.79)

1.33 (0.83 – 2.29)

108/62

2.84 (1.95 – 4.12)

1.26 (0.78 – 2.03)

51/16

5.19 (2.81 – 9.59)

1.50 (0.64 – 3.48)

< 0.001

0.06

391/462

1

1

102/31

3.88 (2.51 – 5.99)

2.05 (1.15 – 3.92)

143/132

1

1

160/122

1.21(0.86 – 1.69)

1.12 (0.77 – 1.62)

90/163

0.50(0.35 – 0.72)

0.73 (0.49 – 1.71)

85/76

1.03(0.69 – 1.52)

1.08 (0.69 – 1.66)

15/0

0.06

0.10

4/14

0.38 (0.12 – 1.19)

0.60 (0.17 – 2.11)

129/181

1

1

208/193

1.43 (1.06 – 1.95)

1.39 (1.02 – 1.94)

141/119

1.58 (1.12 – 2.22)

1.61 (1.18 – 2.30)

15/0

<0.001

0.01

4/5

0.90 (0.23 – 3.55)

-

78/90

1

1

126/123

1.18 (0.79 – 1.74)

1.27 (0.80 – 2.02)

89/82

1.25(0.81 – 1.91)

1.21 (0.73 – 1.99)

0.30

0.47

0/9

-

-

47/77

1

1

82/70

1.91 (1.18 – 3.11)

1.56 (0.97 – 2.65)

52/37

2.30 (1.32 – 4.01)

2.34 (1.33 – 4.14)

0.002

0.008

0.16

0.09

422/470

1

1

71/23

3.50 (2.37 – 5.17)

2.61 (1.72 – 3.96)

43/15

3.19(1.73 – 5.86)

2.13 (1.20 – 4.46)

28/8

3.89(1.74 – 8.69)

1.98 (0.96 – 5.62)

< 0.001

0.003