Table 6

Mean IGF-I concentration (nmol/liter) by dairy or soya milk intake in each dietary groupa

Back-transformed means with 95% CIs (in parentheses).

Daily milk intakeMeat-eater: dairy milkVegetarian: dairy milkVegan: soya milk
Nos.IGF-INos.IGF-INos.IGF-I
None330.1 (22.1–41.9)925.7 (21.4–30.9)923.2 (18.2–29.6)
¼ pint2531.1 (26.9–36.0)3730.6 (28.0–33.5)4825.8 (23.5–28.3)
½ pint3830.8 (27.9–34.0)3533.5 (30.5–36.8)2129.5 (25.4–34.4)
>¾ pint1930.7 (27.4–34.5)2030.7 (27.1–34.8)1429.8 (24.5–36.2)
Test for linear trendP = 0.834P = 0.121P = 0.054
  • a Values are adjusted for age (10 categories), BMI (4 categories), assay batch (4 categories), time of day at venipuncture (4 categories), time since last meal at venipuncture (4 categories), days between venipuncture and processing (4 categories), and (ln)total energy intake.