FIG. 2.

Adjusted means (and SEs) for Ln HOMA-IR according to birth weight groups and levels of physical activity in adolescents from the HELENA study and the EYHS. High/low physical activity was defined as being above/below the age-, sex-, and study-specific median values for average physical activity (counts/minute). The ANCOVA models were adjusted for sex, age, sexual maturation, BMI, maternal education, and breastfeeding. Fitted lines for the means given are also represented. PA, physical activity; T, tertile.