SEX	SOCIAL CLASS	INDICATOR	Total
BOTH SEXES	Total	Mean	21.23
BOTH SEXES	Total	Standard deviation	14.27
BOTH SEXES	I	Mean	18.83
BOTH SEXES	I	Standard deviation	13.34
BOTH SEXES	II	Mean	20.43
BOTH SEXES	II	Standard deviation	13.61
BOTH SEXES	III	Mean	21.41
BOTH SEXES	III	Standard deviation	14.47
BOTH SEXES	IV	Mean	21.51
BOTH SEXES	IV	Standard deviation	14.11
BOTH SEXES	V	Mean	22.32
BOTH SEXES	V	Standard deviation	14.38
BOTH SEXES	VI	Mean	21.14
BOTH SEXES	VI	Standard deviation	14.77
BOTH SEXES	Not recorded	Mean	20.69
BOTH SEXES	Not recorded	Standard deviation	15.32
Men	Total	Mean	22.24
Men	Total	Standard deviation	14.34
Men	I	Mean	19.89
Men	I	Standard deviation	13.39
Men	II	Mean	22.10
Men	II	Standard deviation	13.72
Men	III	Mean	21.92
Men	III	Standard deviation	14.10
Men	IV	Mean	22.50
Men	IV	Standard deviation	14.18
Men	V	Mean	23.62
Men	V	Standard deviation	14.57
Men	VI	Mean	21.43
Men	VI	Standard deviation	15.22
Men	Not recorded	Mean	22.45
Men	Not recorded	Standard deviation	14.90
Women	Total	Mean	19.82
Women	Total	Standard deviation	14.06
Women	I	Mean	17.52
Women	I	Standard deviation	13.15
Women	II	Mean	18.28
Women	II	Standard deviation	13.16
Women	III	Mean	20.79
Women	III	Standard deviation	14.87
Women	IV	Mean	19.77
Women	IV	Standard deviation	13.82
Women	V	Mean	20.32
Women	V	Standard deviation	13.84
Women	VI	Mean	20.74
Women	VI	Standard deviation	14.13
Women	Not recorded	Mean	19.15
Women	Not recorded	Standard deviation	15.51