Fig. 1From: Maternal vitamin D during pregnancy and offspring autism and autism-associated traits: a prospective cohort studyFlow chart of cohort derivation. Legend: SC = social communication trait; CO = speech coherence trait; RB = repetitive behaviour trait; ST = sociability temperament trait; AFM = autism factor mean score. Denominators for percentages taken from total ALSPAC cohort (top left-hand box)Back to article page