Longitudinal changes in lifestyle according to maternal socioeconomic position (SEP). Change in SEP gradient was observed in sugar sweetened beverages 4–7 days/week (A). SEP gradients were observed in sports participation 3–7 days/week (C) and sedentary behavior >4 hours/day (D). Daily fruit consumption was stable and no SEP gradient was observed (B). P-values were calculated with generalized linear regression model including schools as repeated subject.