Sex Social class Indicator Total Both sexes TOTAL Average 1.40 Both sexes TOTAL Standard deviation 1.22 Both sexes I Average 1.46 Both sexes I Standard deviation 0.89 Both sexes II Average 1.34 Both sexes II Standard deviation 0.96 Both sexes III Average 1.33 Both sexes III Standard deviation 0.78 Both sexes IV Average 1.42 Both sexes IV Standard deviation 1.48 Both sexes V Average 1.37 Both sexes V Standard deviation 1.26 Both sexes VI Average 1.54 Both sexes VI Standard deviation 1.68 Both sexes No data recorded Average 1.25 Both sexes No data recorded Standard deviation 0.79 Men TOTAL Average 1.41 Men TOTAL Standard deviation 1.48 Men I Average 1.43 Men I Standard deviation 0.79 Men II Average 1.26 Men II Standard deviation 1.07 Men III Average 1.29 Men III Standard deviation 0.66 Men IV Average 1.57 Men IV Standard deviation 2.04 Men V Average 1.36 Men V Standard deviation 1.39 Men VI Average 1.68 Men VI Standard deviation 2.33 Men No data recorded Average . Men No data recorded Standard deviation . Women TOTAL Average 1.39 Women TOTAL Standard deviation 0.99 Women I Average 1.47 Women I Standard deviation 0.95 Women II Average 1.39 Women II Standard deviation 0.89 Women III Average 1.37 Women III Standard deviation 0.86 Women IV Average 1.30 Women IV Standard deviation 0.77 Women V Average 1.37 Women V Standard deviation 1.15 Women VI Average 1.47 Women VI Standard deviation 1.14 Women No data recorded Average 1.28 Women No data recorded Standard deviation 0.87