Sex Social class Weekly distribution Indicator Total Both sexes TOTAL Weekly (Monday-Sunday) Average 11.98 Both sexes TOTAL Weekly (Monday-Sunday) Standard deviation 11.14 Both sexes TOTAL During the week days (Monday-Thursday) Average 7.30 Both sexes TOTAL During the week days (Monday-Thursday) Standard deviation 10.75 Both sexes TOTAL Weekend (Friday-Sunday) Average 18.25 Both sexes TOTAL Weekend (Friday-Sunday) Standard deviation 15.55 Both sexes I Weekly (Monday-Sunday) Average 9.62 Both sexes I Weekly (Monday-Sunday) Standard deviation 7.60 Both sexes I During the week days (Monday-Thursday) Average 5.05 Both sexes I During the week days (Monday-Thursday) Standard deviation 7.65 Both sexes I Weekend (Friday-Sunday) Average 15.76 Both sexes I Weekend (Friday-Sunday) Standard deviation 11.18 Both sexes II Weekly (Monday-Sunday) Average 10.67 Both sexes II Weekly (Monday-Sunday) Standard deviation 10.71 Both sexes II During the week days (Monday-Thursday) Average 6.24 Both sexes II During the week days (Monday-Thursday) Standard deviation 9.42 Both sexes II Weekend (Friday-Sunday) Average 16.58 Both sexes II Weekend (Friday-Sunday) Standard deviation 17.00 Both sexes III Weekly (Monday-Sunday) Average 11.27 Both sexes III Weekly (Monday-Sunday) Standard deviation 9.90 Both sexes III During the week days (Monday-Thursday) Average 6.36 Both sexes III During the week days (Monday-Thursday) Standard deviation 9.71 Both sexes III Weekend (Friday-Sunday) Average 17.87 Both sexes III Weekend (Friday-Sunday) Standard deviation 14.27 Both sexes IV Weekly (Monday-Sunday) Average 12.96 Both sexes IV Weekly (Monday-Sunday) Standard deviation 12.56 Both sexes IV During the week days (Monday-Thursday) Average 8.57 Both sexes IV During the week days (Monday-Thursday) Standard deviation 12.06 Both sexes IV Weekend (Friday-Sunday) Average 18.88 Both sexes IV Weekend (Friday-Sunday) Standard deviation 16.87 Both sexes V Weekly (Monday-Sunday) Average 13.10 Both sexes V Weekly (Monday-Sunday) Standard deviation 11.81 Both sexes V During the week days (Monday-Thursday) Average 8.53 Both sexes V During the week days (Monday-Thursday) Standard deviation 11.45 Both sexes V Weekend (Friday-Sunday) Average 19.22 Both sexes V Weekend (Friday-Sunday) Standard deviation 16.16 Both sexes VI Weekly (Monday-Sunday) Average 13.46 Both sexes VI Weekly (Monday-Sunday) Standard deviation 13.43 Both sexes VI During the week days (Monday-Thursday) Average 8.23 Both sexes VI During the week days (Monday-Thursday) Standard deviation 12.84 Both sexes VI Weekend (Friday-Sunday) Average 20.46 Both sexes VI Weekend (Friday-Sunday) Standard deviation 18.02 Both sexes No data recorded Weekly (Monday-Sunday) Average 12.11 Both sexes No data recorded Weekly (Monday-Sunday) Standard deviation 10.10 Both sexes No data recorded During the week days (Monday-Thursday) Average 6.90 Both sexes No data recorded During the week days (Monday-Thursday) Standard deviation 10.23 Both sexes No data recorded Weekend (Friday-Sunday) Average 19.06 Both sexes No data recorded Weekend (Friday-Sunday) Standard deviation 14.88 Men TOTAL Weekly (Monday-Sunday) Average 14.00 Men TOTAL Weekly (Monday-Sunday) Standard deviation 12.42 Men TOTAL During the week days (Monday-Thursday) Average 9.06 Men TOTAL During the week days (Monday-Thursday) Standard deviation 12.13 Men TOTAL Weekend (Friday-Sunday) Average 20.62 Men TOTAL Weekend (Friday-Sunday) Standard deviation 17.13 Men I Weekly (Monday-Sunday) Average 10.80 Men I Weekly (Monday-Sunday) Standard deviation 8.40 Men I During the week days (Monday-Thursday) Average 6.09 Men I During the week days (Monday-Thursday) Standard deviation 8.74 Men I Weekend (Friday-Sunday) Average 17.15 Men I Weekend (Friday-Sunday) Standard deviation 11.93 Men II Weekly (Monday-Sunday) Average 12.34 Men II Weekly (Monday-Sunday) Standard deviation 12.65 Men II During the week days (Monday-Thursday) Average 7.48 Men II During the week days (Monday-Thursday) Standard deviation 10.88 Men II Weekend (Friday-Sunday) Average 18.82 Men II Weekend (Friday-Sunday) Standard deviation 20.32 Men III Weekly (Monday-Sunday) Average 13.20 Men III Weekly (Monday-Sunday) Standard deviation 10.96 Men III During the week days (Monday-Thursday) Average 7.96 Men III During the week days (Monday-Thursday) Standard deviation 11.06 Men III Weekend (Friday-Sunday) Average 20.23 Men III Weekend (Friday-Sunday) Standard deviation 15.45 Men IV Weekly (Monday-Sunday) Average 15.19 Men IV Weekly (Monday-Sunday) Standard deviation 13.81 Men IV During the week days (Monday-Thursday) Average 10.47 Men IV During the week days (Monday-Thursday) Standard deviation 13.26 Men IV Weekend (Friday-Sunday) Average 21.54 Men IV Weekend (Friday-Sunday) Standard deviation 18.68 Men V Weekly (Monday-Sunday) Average 15.04 Men V Weekly (Monday-Sunday) Standard deviation 12.61 Men V During the week days (Monday-Thursday) Average 10.25 Men V During the week days (Monday-Thursday) Standard deviation 12.51 Men V Weekend (Friday-Sunday) Average 21.45 Men V Weekend (Friday-Sunday) Standard deviation 17.02 Men VI Weekly (Monday-Sunday) Average 16.24 Men VI Weekly (Monday-Sunday) Standard deviation 15.24 Men VI During the week days (Monday-Thursday) Average 10.61 Men VI During the week days (Monday-Thursday) Standard deviation 14.67 Men VI Weekend (Friday-Sunday) Average 23.82 Men VI Weekend (Friday-Sunday) Standard deviation 20.22 Men No data recorded Weekly (Monday-Sunday) Average 14.30 Men No data recorded Weekly (Monday-Sunday) Standard deviation 11.95 Men No data recorded During the week days (Monday-Thursday) Average 9.66 Men No data recorded During the week days (Monday-Thursday) Standard deviation 12.31 Men No data recorded Weekend (Friday-Sunday) Average 20.57 Men No data recorded Weekend (Friday-Sunday) Standard deviation 15.35 Women TOTAL Weekly (Monday-Sunday) Average 8.34 Women TOTAL Weekly (Monday-Sunday) Standard deviation 7.03 Women TOTAL During the week days (Monday-Thursday) Average 4.14 Women TOTAL During the week days (Monday-Thursday) Standard deviation 6.57 Women TOTAL Weekend (Friday-Sunday) Average 13.98 Women TOTAL Weekend (Friday-Sunday) Standard deviation 10.98 Women I Weekly (Monday-Sunday) Average 7.98 Women I Weekly (Monday-Sunday) Standard deviation 5.93 Women I During the week days (Monday-Thursday) Average 3.60 Women I During the week days (Monday-Thursday) Standard deviation 5.49 Women I Weekend (Friday-Sunday) Average 13.82 Women I Weekend (Friday-Sunday) Standard deviation 9.73 Women II Weekly (Monday-Sunday) Average 7.95 Women II Weekly (Monday-Sunday) Standard deviation 5.37 Women II During the week days (Monday-Thursday) Average 4.21 Women II During the week days (Monday-Thursday) Standard deviation 5.83 Women II Weekend (Friday-Sunday) Average 12.93 Women II Weekend (Friday-Sunday) Standard deviation 8.06 Women III Weekly (Monday-Sunday) Average 8.33 Women III Weekly (Monday-Sunday) Standard deviation 7.08 Women III During the week days (Monday-Thursday) Average 3.94 Women III During the week days (Monday-Thursday) Standard deviation 6.48 Women III Weekend (Friday-Sunday) Average 14.27 Women III Weekend (Friday-Sunday) Standard deviation 11.35 Women IV Weekly (Monday-Sunday) Average 7.50 Women IV Weekly (Monday-Sunday) Standard deviation 5.92 Women IV During the week days (Monday-Thursday) Average 3.89 Women IV During the week days (Monday-Thursday) Standard deviation 6.33 Women IV Weekend (Friday-Sunday) Average 12.35 Women IV Weekend (Friday-Sunday) Standard deviation 8.17 Women V Weekly (Monday-Sunday) Average 9.01 Women V Weekly (Monday-Sunday) Standard deviation 8.58 Women V During the week days (Monday-Thursday) Average 4.91 Women V During the week days (Monday-Thursday) Standard deviation 7.62 Women V Weekend (Friday-Sunday) Average 14.52 Women V Weekend (Friday-Sunday) Standard deviation 13.00 Women VI Weekly (Monday-Sunday) Average 8.37 Women VI Weekly (Monday-Sunday) Standard deviation 6.73 Women VI During the week days (Monday-Thursday) Average 3.88 Women VI During the week days (Monday-Thursday) Standard deviation 6.58 Women VI Weekend (Friday-Sunday) Average 14.32 Women VI Weekend (Friday-Sunday) Standard deviation 10.59 Women No data recorded Weekly (Monday-Sunday) Average 9.65 Women No data recorded Weekly (Monday-Sunday) Standard deviation 6.68 Women No data recorded During the week days (Monday-Thursday) Average 3.78 Women No data recorded During the week days (Monday-Thursday) Standard deviation 5.77 Women No data recorded Weekend (Friday-Sunday) Average 17.35 Women No data recorded Weekend (Friday-Sunday) Standard deviation 14.14