TABLE 2.
Genotype frequencies | CIN1 2 or 3 | |||||
---|---|---|---|---|---|---|
CIN 2 or 3 n (%) | CIN 1, ASCUS or normal cervical cytology n (%) | OR adjusted for demographic and behavioral factors1 | 95% CI | OR adjusted for demographic, behavioral and snutritional factors2 | 95% CI | |
MTHFR Ala/Ala | 59 (74) | 223 (63) | Ref | Ref | ||
MTHFR Ala/Val | 16 (20) | 116 (33) | 0.40 | 0.21–0.74 | 0.40 | 0.20–.80 |
MTHFR Val/Val | 5 (6) | 16 (4) | 0.68 | 0.22–2.09 | 0.40 | 0.08–2.04 |
MTHFR Ala/Val or Val/Val | 21 (26) | 132 (37) | 0.43 | 0.24–0.78 | 0.40 | 0.21–0.78 |
Multivariable adjustment for age, race, smoking (ever/never), age at first intercourse, use of hormonal contraception (yes/no), and study arm.-
Multivariable adjustment for age, race, smoking (ever/never), age at first intercourse, use of hormonal contraception (yes/no), study arm, and micronutrient concentrations of plasma folate, vitamins B-12, C, A, E, total carotene and riboflavin status.