Table 4.

Family-related characteristics and experience of OHC (n = 13,468)

	Neither investigated nor placed	Investigated but not placed	Placed
	%	%	%
Household occupational classa
Upper/upper middle class	14.8	7.5	3.2
Middle class	38.5	31.3	28.7
Working class	46.6	58.4	64.0
Unclassified	3.1	2.9	4.2
Social welfare receiptb
Number of years of receipt (mean)	0.56	1.86	4.06
Parental mental health problemsc
No	86.8	87.5	71.6
Yes	3.2	12.5	28.4
Total	100	100	100

^aRefers to the occupation of the head of the household, derived from occupational registers (1953)

^bRefers to number of years that the family received social welfare, derived from the Social Register (1953–1972)

^cBased on records of fathers’/mothers’ mental health problems, derived from the Social Register (1953–1972)