Table 1

Unadjusted meana values of dietary intake and circulating nutrient levels by case control status

Intermittent HPV infectionPersistent HPV infectionP
Mean(SD)Mean(SD)
Dietary Intake of Micronutrients
 Foods Onlyb
  Folate (μg)453.3(330.7)396.3(220.4)0.51
  Vitamin B12 (μg)4.9(3.2)4.6(2.7)0.85
  Vitamin B6 (mg)2.4(1.4)2.1(1.1)0.48
  Methionine (gm)1.7(1.1)1.7(0.9)0.81
 Food and Supplements Combinedc
  Folate (μg)626.6(420.3)578.6(346.7)0.54
  Vitamin B12 (μg)12.0(16.1)15.8(52.5)0.68
  Vitamin B6 (mg)5.4(7.5)5.6(9.1)0.60
Plasma Levels
 Folate (ng/ml)d7.9(3.3)8.8(3.7)0.16
 Vitamin B12 (pg/ml)e439.8(159.5)405.5(176.8)0.10
  • a Means are presented as untransformed values but were calculated from log-transformed values.

  • b Intermittent = 70, Persistent = 131.

  • c Intermittent = 70 with 34 consuming supplements, Persistent = 131 with 66 consuming supplements.

  • d Intermittent = 60, Persistent = 109.

  • e Intermittent = 60, Persistent = 110.