Table 4

Predictors of average plasma enterolactonea concentrations in multivariate analyses in 193 healthy 20–40-year-old participants using 3-day food record data

Plasma enterolactone
% Change (SE)
 Dietary variable
  Total fiber (per 10 g)37.0 (2.3)b
  Alcohol (g/day)c
   <0.1 (n = 87)Reference value
   0.1 to <2 (n = 46)4.7 (0.9)
   ≥2–6 (n = 22)97.0 (24.3)d
   >6–12 (n = 16)131.4 (37.6)e
   >12–24 (n = 17)78.2 (21.4)f
   >24 (n = 5)13.8 (6.6)
  Caffeine (per 50 mg)6.7 (0.2)f
 Demographic variable
  Age (per decade)17.9 (2.5)
  BMI (per kg/m2)−6.2 (0.2)f
  Female (versus male)47.3 (7.7)f
  • a A two-visit average plasma enterolactone was ln (x + 1) transformed. % Change (SE) are back-transformed values.

  • b P < 0.0001.

  • c Daily average over the 3 days measured by food records.

  • d P < 0.01.

  • e P < 0.005.

  • f P < 0.05.