Table 4.

Agreement between maternal report of paternal history of 3+ alcohol dependence symptoms and (a) father self-report, and (b) twin narrow versus broad ratings of paternal alcohol problems, as a function of years of cohabitation of father and twins.

	EA Mothers				AA Mothers
	N	%a	ρ	S.E.	N	%a	ρ	S.E.
Father self-report
Years of cohabitation
0–5	102	36.8	0.56	0.13	27	22.0	0.12	0.36
6–11	69	50.0	0.75	0.12	8	36.4	0.53	0.50
12+	833	78.7	0.64	0.05	43	62.4	0.43	0.30
Twin rating of father (narrow)
Years of cohabitation
0–5	407	93.1	0.75	0.05	175	91.1	0.36*	0.17
6–11	234	99.6	0.76	0.06	35	97.2	0.46	0.28
12+	1095	99.5	0.79	0.03	110	98.2	0.67	0.19
Twin rating of father (broad)
Years of cohabitation
0–5	412	94.3	0.75	0.06	175	91.1	0.50	0.14
6–11	234	99.6	0.78	0.06	35	97.2	0.79	0.20
12+	1909	99.7	0.81	0.03	111	99.1	0.60	0.19

ρ = tetrachoric correlation; SE = standard error;

^apercentage of mother reports that could be compared to a father or twin report;

^*EA>AA agreement, p < .05.