Components of the GH-IGF-axis and insulin sensitivity in young adulthood according to breastfeeding status in infancy, DONALD Study (n = 122–125 women, 107–108 men)a.

aData are adjusted means (95% CI). Abbreviations used: DONALD, Dortmund Nutritional and Anthropometric Longitudinally Designed; GH, growth hormone; IGF-I: insulin-like-growth-factor-1; IGFBP: insulin-like growth factor binding protein; HOMA: homoeostatic model assessment; IR: insulin resistance. Missing values: n = 1 for firstborn status.bModel 1: adjusted for age in adulthood.cModel 2 for IGF-I, IGBP-1, IGFBP-3: adjusted for age in adulthood, paternal schooling ≥12 years (yes/no), firstborn status (yes/no), birth weight and length (appropriate for gestational age yes/no), gestational age (37–38/39–40/41–42 weeks), smoking in the household (yes/no). Model 2 for IGFBP-2: adjusted for age in adulthood, maternal overweight (yes/no), paternal schooling ≥12 years (yes/no), birth weight (