SEX;SOCIAL CLASS;INDICATOR;Total BOTH SEXES;Total;Mean;1.97 BOTH SEXES;Total;Standard deviation;2.03 BOTH SEXES;I;Mean;1.79 BOTH SEXES;I;Standard deviation;1.48 BOTH SEXES;II;Mean;1.76 BOTH SEXES;II;Standard deviation;1.24 BOTH SEXES;III;Mean;1.89 BOTH SEXES;III;Standard deviation;1.69 BOTH SEXES;IV;Mean;1.97 BOTH SEXES;IV;Standard deviation;1.97 BOTH SEXES;V;Mean;2.06 BOTH SEXES;V;Standard deviation;2.35 BOTH SEXES;VI;Mean;2.22 BOTH SEXES;VI;Standard deviation;2.63 BOTH SEXES;Not recorded;Mean;2.20 BOTH SEXES;Not recorded;Standard deviation;2.47 Men;Total;Mean;1.85 Men;Total;Standard deviation;1.85 Men;I;Mean;1.70 Men;I;Standard deviation;1.27 Men;II;Mean;1.73 Men;II;Standard deviation;1.18 Men;III;Mean;1.79 Men;III;Standard deviation;1.65 Men;IV;Mean;1.85 Men;IV;Standard deviation;1.62 Men;V;Mean;1.81 Men;V;Standard deviation;1.62 Men;VI;Mean;2.27 Men;VI;Standard deviation;3.19 Men;Not recorded;Mean;2.41 Men;Not recorded;Standard deviation;3.55 Women;Total;Mean;2.07 Women;Total;Standard deviation;2.16 Women;I;Mean;1.88 Women;I;Standard deviation;1.64 Women;II;Mean;1.78 Women;II;Standard deviation;1.28 Women;III;Mean;1.96 Women;III;Standard deviation;1.71 Women;IV;Mean;2.08 Women;IV;Standard deviation;2.24 Women;V;Mean;2.27 Women;V;Standard deviation;2.81 Women;VI;Mean;2.19 Women;VI;Standard deviation;2.19 Women;Not recorded;Mean;2.10 Women;Not recorded;Standard deviation;1.72