Table 3.

Mean Test Scores Comparison for Those Born 5 Years Before and After the 1st April 1933, by Educational Attainment.

Age left<19	Males			Females
	Before	After	p-value	Before	After	p-value
Memory	8.32	8.95	0.00	8.99	9.89	0.00
Exec. func.	−0.40	−0.00	0.00	−0.22	0.21	0.00
Soc. part.	2.75	2.93	0.00	2.42	2.58	0.00
Casp19	42.25	42.30	0.88	41.76	42.66	0.00
Child health	2.19	2.12	0.16	2.35	2.39	0.42
Father job	2.64	2.64	0.93	2.62	2.57	0.14
N	1109	1171		1314	1214
Age left<16	Males			Females
	Before	After	p-value	Before	After	p-value
Memory	7.87	8.43	0.00	8.65	9.41	0.00
exec3. func.	−0.59	−0.23	0.00	−0.38	0.04	0.00
Soc. part.	2.57	2.66	0.15	2.20	2.31	0.06
Casp19	41.57	41.32	0.53	41.20	41.89	0.08
Child health	2.26	2.21	0.34	2.45	2.39	0.28
father job	2.79	2.79	0.92	2.74	2.71	0.41
N	1109	1171		1314	1214.00

Notes. The p-values derive from t tests on the equality of means.

Social participation and CASP19 are taken from the self-completion questionnaire that shows a lower response rate with respect the core sample of about 15%. Social participation ranges between 0 and 8; Casp19 ranges between 0 and 57; Child health values: 1 excellent, 2 very good, 3 good, 4 fair, 5 poor; father job values: 1 professional and managerial, 2 skilled non-manual, 3 skilled manual, 4 unskilled manual.