Читать книгу Child Psychology - Jean-Pascal Assailly - Страница 22

Participants were 943 mothers and their offspring, 890 fathers, 938 maternal grandmothers, 700 maternal grandfathers, 537 paternal grandmothers and 553 paternal grandfathers. Infant birth weights were standardized based on gestational age (1990 UK population) and then categorized as low, high or normal birth weights.

Four birth periods were considered: the country’s independence (1916–1938); the Emergency Powers Act (1939–1946); the postwar baby boom (1947–1964) and modern Ireland (1964 onward). This is a three-generation cohort study established a priori to examine intergenerational influences on infants recruited during pregnancy in 2001–2003.