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Table 3 Nutritional markersa

From: Association of nutrition club membership with markers of health: a cross sectional study

Geometric means and 95% CI Club Members Controls P-value
α-tocopherol (μg/dL), serum 1275 (1202, 1354) 1157 (1090, 1229) 0.009
Serum Vitamin E: Total Cholesterol ratio 6.8 (6.5, 7.1) 6.0 (5.7, 6.3) <0.001
Vitamin D 25(OH) (ng/dL), plasmac 27.3 (25.1, 29.8) 23.2 (21.2, 25.2) 0.001
N (%) deficient vitamin D using IOM (20 ng/mL) cutpointb 13 (13.5%) 35 (36.5%) <0.001
  1. aadjusted for site, current smoker (y/n), alcohol intake, dietary supplement use (defined as reported use of at least 1 to 3 times per week of the following:regular once-a-day, centrum etc. ., stress-tabs or B-complex vitamins, vitamin E or vitamin D)
  2. bnot adjusted; 96 pairs; deficient defined as <20 ng/mL, P-value from McNemar’s test
  3. c vitamin D analysis additionally adjusted for season; p-values from Type III fixed effects ANOVA from a linear mixed model with pair ID as a random effect to take into account the paired nature of the data; N = 92 pairs
  4. Significant p-values are indicated by italicized numbers in bold