Longitudinal association between early life socio-environmental factors and attention function at the age 11 years

► Attention function at the age of 11 was assessed using CPT-II. ► Different early life factors affected the three different outcomes of the CPT-II. ► Breastfeeding reduced the impulsive symptomatology at preadolescence period. ► DDE and PCBs levels at age 4 were associated with slower reaction time at age 11.