SEX;SOCIAL CLASS;INDICATOR;Total BOTH SEXES;Total;Mean;4.96 BOTH SEXES;Total;Standard deviation;3.64 BOTH SEXES;I;Mean;6.09 BOTH SEXES;I;Standard deviation;3.65 BOTH SEXES;II;Mean;5.05 BOTH SEXES;II;Standard deviation;3.52 BOTH SEXES;III;Mean;5.43 BOTH SEXES;III;Standard deviation;3.69 BOTH SEXES;IV;Mean;4.36 BOTH SEXES;IV;Standard deviation;3.39 BOTH SEXES;V;Mean;4.46 BOTH SEXES;V;Standard deviation;3.51 BOTH SEXES;VI;Mean;4.28 BOTH SEXES;VI;Standard deviation;3.44 BOTH SEXES;Not recorded;Mean;5.40 BOTH SEXES;Not recorded;Standard deviation;4.60 Men;Total;Mean;5.08 Men;Total;Standard deviation;3.63 Men;I;Mean;6.23 Men;I;Standard deviation;3.64 Men;II;Mean;5.31 Men;II;Standard deviation;3.61 Men;III;Mean;5.50 Men;III;Standard deviation;3.68 Men;IV;Mean;4.24 Men;IV;Standard deviation;3.38 Men;V;Mean;4.66 Men;V;Standard deviation;3.52 Men;VI;Mean;4.37 Men;VI;Standard deviation;3.35 Men;Not recorded;Mean;5.60 Men;Not recorded;Standard deviation;4.32 Women;Total;Mean;4.84 Women;Total;Standard deviation;3.64 Women;I;Mean;5.93 Women;I;Standard deviation;3.66 Women;II;Mean;4.83 Women;II;Standard deviation;3.42 Women;III;Mean;5.35 Women;III;Standard deviation;3.69 Women;IV;Mean;4.49 Women;IV;Standard deviation;3.39 Women;V;Mean;4.27 Women;V;Standard deviation;3.49 Women;VI;Mean;4.20 Women;VI;Standard deviation;3.50 Women;Not recorded;Mean;5.30 Women;Not recorded;Standard deviation;4.73