Smoking

Cases (n = 316)

Controls (n = 350)

OR (95% CI)

P value

Weighted OR (95% CI)

P valuea

Weighted OR (95% CI)

P valueb

No

212 (67.1)

265 (75.7)

Reference

Reference

Reference

Past

4 (1.3)

4 (1.1)

1.25 (0.31, 5.06) 0.754

1.29 (0.31, 5.36) 0.726

1.67 (0.38,7.38) 0.496

Current

100 (31.6)

81 (23.1)

1.54 (1.09, 2.18) 0.013

1.58 (1.09, 2.30) 0.016

1.50 (1.01, 2.23) 0.047