Table 3.

Interactions between adolescent IQ and adversities, and modifying effects of nurturing care in the home

	Interaction	Nurturing environment
		Low	Medium	High
Learning and total adversities (Pelotas)	1·74 (0·66), 95% CI 0·43–3·04, p=0·0092	–6·66 (1·88), p<0·0001	–3·18 (1·46), p=0·030	0·30 (2·06), p=0·89
Learning and environmental adversities (Pelotas)	1·73 (0·63), 0·47–2·98, p=0·0070	–6·46 (1·75), p<0·0001	–3·01 (1·39), p=0·032	0·45 (2·0), p=0·82
Responsive caregiving and child adversities (Bt20+)	2·24 (0·66), 95% CI 0·94–3·54, p=0·0075	–5·4 (2·3), p=0·020	–0·95 (1·79), p=0·59	3·53 (2·14), p=0·099

Data are b (SE), 95% CI, p value, or b (SE) p value. Low, medium, or high nurturing environments represent values at –2 Z score, mean, and +2 Z score, respectively. Pelotas=1993 Pelotas Birth Cohort. Bt20+=Birth to Twenty Plus Birth Cohort. IQ=intelligence quotient.