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. Author manuscript; available in PMC: 2013 Sep 5.
Published in final edited form as: Reprod Toxicol. 2007 May 7;24(1):114–119. doi: 10.1016/j.reprotox.2007.04.069

Table 4.

Combined association of passive smoking exposure and CYP1A1MspI and CYP1A1HincII genotypes with dysmenorrheaǂ

Passive
Smoking		 MspI HincII Dysmenorrhea
N(%) OR* 95%CI P
No† T/T6235 Ile/Val462 or Val/Val462 11(21.6) 1.0 --- ---
No T/T6235 Ile/Ile462 11(28.9) 1.5 0.6~3.9 0.426
No T/C6235 Ile/Val462 or Val/Val462 69(30.8) 1.6 0.8~3.3 0.193
No T/C6235 Ile/Ile462 51(24.6) 1.2 0.6~2.5 0.646
No C/C6235 Ile/Val462 or Val/Val462 20(38.5) 2.3 1.0~5.4 0.064
No C/C6235 Ile/Ile462 79(28.2) 1.4 0.7~2.9 0.328
Yes T/T6235 Ile/Val462 or Val/Val462 10(19.6) 0.9 0.3~2.3 0.807
Yes T/T6235 Ile/Ile462 9(39.1) 2.3 0.8~6.8 0.120
Yes T/C6235 Ile/Val462 or Val/Val462 71(34.6) 1.9 0.9~4.0 0.077
Yes T/C6235 Ile/Ile462 66(32.8) 1.8 0.9~3.7 0.122
Yes C/C6235 Ile/Val462 or Val/Val462 17(31.5) 1.7 0.7~4.0 0.253
Yes C/C6235 Ile/Ile462 107(41.3) 2.6 1.3~5.2 0.010
*

Estimates were derived from logistic regression models with adjustment for perceived stress.

†

Reference category.

ǂ

T/T6235 indicates homozygous wild type; T/C6235 indicates heterozygous variant type; C/C6235 indicates homozygous variant type; Ile/Ile462 indicates homozygous wild type, Ile/ Val462 indicates heterozygous variant type, and Val/Val 462 indicates homozygous variant type.