SEX SOCIAL CLASS TIME TYPE OF BREASTFEEDING Total BOTH SEXES Total 6 weeks Total 100.00 BOTH SEXES Total 6 weeks Breastfeeding 65.92 BOTH SEXES Total 6 weeks Mixed 10.20 BOTH SEXES Total 6 weeks Formula feeding 23.88 BOTH SEXES Total 3 months Total 100.00 BOTH SEXES Total 3 months Breastfeeding 60.07 BOTH SEXES Total 3 months Mixed 11.95 BOTH SEXES Total 3 months Formula feeding 27.98 BOTH SEXES Total 6 months Total 100.00 BOTH SEXES Total 6 months Breastfeeding 44.47 BOTH SEXES Total 6 months Mixed 17.95 BOTH SEXES Total 6 months Formula feeding 37.58 BOTH SEXES I 6 weeks Total 100.00 BOTH SEXES I 6 weeks Breastfeeding 65.36 BOTH SEXES I 6 weeks Mixed 11.31 BOTH SEXES I 6 weeks Formula feeding 23.33 BOTH SEXES I 3 months Total 100.00 BOTH SEXES I 3 months Breastfeeding 60.80 BOTH SEXES I 3 months Mixed 10.21 BOTH SEXES I 3 months Formula feeding 28.98 BOTH SEXES I 6 months Total 100.00 BOTH SEXES I 6 months Breastfeeding 46.37 BOTH SEXES I 6 months Mixed 20.38 BOTH SEXES I 6 months Formula feeding 33.25 BOTH SEXES II 6 weeks Total 100.00 BOTH SEXES II 6 weeks Breastfeeding 73.96 BOTH SEXES II 6 weeks Mixed 9.36 BOTH SEXES II 6 weeks Formula feeding 16.68 BOTH SEXES II 3 months Total 100.00 BOTH SEXES II 3 months Breastfeeding 64.88 BOTH SEXES II 3 months Mixed 13.88 BOTH SEXES II 3 months Formula feeding 21.24 BOTH SEXES II 6 months Total 100.00 BOTH SEXES II 6 months Breastfeeding 52.07 BOTH SEXES II 6 months Mixed 16.97 BOTH SEXES II 6 months Formula feeding 30.96 BOTH SEXES III 6 weeks Total 100.00 BOTH SEXES III 6 weeks Breastfeeding 60.40 BOTH SEXES III 6 weeks Mixed 11.28 BOTH SEXES III 6 weeks Formula feeding 28.32 BOTH SEXES III 3 months Total 100.00 BOTH SEXES III 3 months Breastfeeding 56.51 BOTH SEXES III 3 months Mixed 12.25 BOTH SEXES III 3 months Formula feeding 31.24 BOTH SEXES III 6 months Total 100.00 BOTH SEXES III 6 months Breastfeeding 40.67 BOTH SEXES III 6 months Mixed 16.87 BOTH SEXES III 6 months Formula feeding 42.46 BOTH SEXES IV 6 weeks Total 100.00 BOTH SEXES IV 6 weeks Breastfeeding 67.00 BOTH SEXES IV 6 weeks Mixed 14.52 BOTH SEXES IV 6 weeks Formula feeding 18.48 BOTH SEXES IV 3 months Total 100.00 BOTH SEXES IV 3 months Breastfeeding 59.27 BOTH SEXES IV 3 months Mixed 17.39 BOTH SEXES IV 3 months Formula feeding 23.34 BOTH SEXES IV 6 months Total 100.00 BOTH SEXES IV 6 months Breastfeeding 42.32 BOTH SEXES IV 6 months Mixed 20.83 BOTH SEXES IV 6 months Formula feeding 36.85 BOTH SEXES V 6 weeks Total 100.00 BOTH SEXES V 6 weeks Breastfeeding 65.90 BOTH SEXES V 6 weeks Mixed 8.35 BOTH SEXES V 6 weeks Formula feeding 25.74 BOTH SEXES V 3 months Total 100.00 BOTH SEXES V 3 months Breastfeeding 59.36 BOTH SEXES V 3 months Mixed 9.59 BOTH SEXES V 3 months Formula feeding 31.05 BOTH SEXES V 6 months Total 100.00 BOTH SEXES V 6 months Breastfeeding 43.36 BOTH SEXES V 6 months Mixed 14.65 BOTH SEXES V 6 months Formula feeding 41.99 BOTH SEXES VI 6 weeks Total 100.00 BOTH SEXES VI 6 weeks Breastfeeding 69.82 BOTH SEXES VI 6 weeks Mixed 8.46 BOTH SEXES VI 6 weeks Formula feeding 21.72 BOTH SEXES VI 3 months Total 100.00 BOTH SEXES VI 3 months Breastfeeding 66.24 BOTH SEXES VI 3 months Mixed 11.77 BOTH SEXES VI 3 months Formula feeding 21.99 BOTH SEXES VI 6 months Total 100.00 BOTH SEXES VI 6 months Breastfeeding 48.08 BOTH SEXES VI 6 months Mixed 21.78 BOTH SEXES VI 6 months Formula feeding 30.14 BOTH SEXES Not recorded 6 weeks Total 100.00 BOTH SEXES Not recorded 6 weeks Breastfeeding 61.45 BOTH SEXES Not recorded 6 weeks Mixed 3.90 BOTH SEXES Not recorded 6 weeks Formula feeding 34.66 BOTH SEXES Not recorded 3 months Total 100.00 BOTH SEXES Not recorded 3 months Breastfeeding 50.62 BOTH SEXES Not recorded 3 months Mixed 13.11 BOTH SEXES Not recorded 3 months Formula feeding 36.27 BOTH SEXES Not recorded 6 months Total 100.00 BOTH SEXES Not recorded 6 months Breastfeeding 38.21 BOTH SEXES Not recorded 6 months Mixed 12.02 BOTH SEXES Not recorded 6 months Formula feeding 49.77 Boys Total 6 weeks Total 100.00 Boys Total 6 weeks Breastfeeding 67.50 Boys Total 6 weeks Mixed 8.62 Boys Total 6 weeks Formula feeding 23.88 Boys Total 3 months Total 100.00 Boys Total 3 months Breastfeeding 59.66 Boys Total 3 months Mixed 10.88 Boys Total 3 months Formula feeding 29.46 Boys Total 6 months Total 100.00 Boys Total 6 months Breastfeeding 45.57 Boys Total 6 months Mixed 17.64 Boys Total 6 months Formula feeding 36.79 Boys I 6 weeks Total 100.00 Boys I 6 weeks Breastfeeding 67.45 Boys I 6 weeks Mixed 10.08 Boys I 6 weeks Formula feeding 22.48 Boys I 3 months Total 100.00 Boys I 3 months Breastfeeding 60.79 Boys I 3 months Mixed 8.70 Boys I 3 months Formula feeding 30.52 Boys I 6 months Total 100.00 Boys I 6 months Breastfeeding 47.00 Boys I 6 months Mixed 19.27 Boys I 6 months Formula feeding 33.73 Boys II 6 weeks Total 100.00 Boys II 6 weeks Breastfeeding 69.30 Boys II 6 weeks Mixed 9.93 Boys II 6 weeks Formula feeding 20.78 Boys II 3 months Total 100.00 Boys II 3 months Breastfeeding 55.02 Boys II 3 months Mixed 14.68 Boys II 3 months Formula feeding 30.30 Boys II 6 months Total 100.00 Boys II 6 months Breastfeeding 51.49 Boys II 6 months Mixed 13.38 Boys II 6 months Formula feeding 35.13 Boys III 6 weeks Total 100.00 Boys III 6 weeks Breastfeeding 62.45 Boys III 6 weeks Mixed 10.75 Boys III 6 weeks Formula feeding 26.80 Boys III 3 months Total 100.00 Boys III 3 months Breastfeeding 58.51 Boys III 3 months Mixed 12.32 Boys III 3 months Formula feeding 29.16 Boys III 6 months Total 100.00 Boys III 6 months Breastfeeding 44.62 Boys III 6 months Mixed 18.85 Boys III 6 months Formula feeding 36.52 Boys IV 6 weeks Total 100.00 Boys IV 6 weeks Breastfeeding 72.91 Boys IV 6 weeks Mixed 9.19 Boys IV 6 weeks Formula feeding 17.91 Boys IV 3 months Total 100.00 Boys IV 3 months Breastfeeding 61.73 Boys IV 3 months Mixed 13.01 Boys IV 3 months Formula feeding 25.26 Boys IV 6 months Total 100.00 Boys IV 6 months Breastfeeding 39.56 Boys IV 6 months Mixed 26.22 Boys IV 6 months Formula feeding 34.22 Boys V 6 weeks Total 100.00 Boys V 6 weeks Breastfeeding 64.08 Boys V 6 weeks Mixed 7.30 Boys V 6 weeks Formula feeding 28.63 Boys V 3 months Total 100.00 Boys V 3 months Breastfeeding 55.12 Boys V 3 months Mixed 9.66 Boys V 3 months Formula feeding 35.23 Boys V 6 months Total 100.00 Boys V 6 months Breastfeeding 40.46 Boys V 6 months Mixed 13.33 Boys V 6 months Formula feeding 46.21 Boys VI 6 weeks Total 100.00 Boys VI 6 weeks Breastfeeding 77.22 Boys VI 6 weeks Mixed 5.49 Boys VI 6 weeks Formula feeding 17.29 Boys VI 3 months Total 100.00 Boys VI 3 months Breastfeeding 70.11 Boys VI 3 months Mixed 12.59 Boys VI 3 months Formula feeding 17.29 Boys VI 6 months Total 100.00 Boys VI 6 months Breastfeeding 57.29 Boys VI 6 months Mixed 15.93 Boys VI 6 months Formula feeding 26.77 Boys Not recorded 6 weeks Total 100.00 Boys Not recorded 6 weeks Breastfeeding . Boys Not recorded 6 weeks Mixed . Boys Not recorded 6 weeks Formula feeding . Boys Not recorded 3 months Total 100.00 Boys Not recorded 3 months Breastfeeding . Boys Not recorded 3 months Mixed . Boys Not recorded 3 months Formula feeding . Boys Not recorded 6 months Total 100.00 Boys Not recorded 6 months Breastfeeding . Boys Not recorded 6 months Mixed . Boys Not recorded 6 months Formula feeding . Girls Total 6 weeks Total 100.00 Girls Total 6 weeks Breastfeeding 64.34 Girls Total 6 weeks Mixed 11.78 Girls Total 6 weeks Formula feeding 23.88 Girls Total 3 months Total 100.00 Girls Total 3 months Breastfeeding 60.48 Girls Total 3 months Mixed 13.02 Girls Total 3 months Formula feeding 26.50 Girls Total 6 months Total 100.00 Girls Total 6 months Breastfeeding 43.38 Girls Total 6 months Mixed 18.25 Girls Total 6 months Formula feeding 38.37 Girls I 6 weeks Total 100.00 Girls I 6 weeks Breastfeeding 63.24 Girls I 6 weeks Mixed 12.56 Girls I 6 weeks Formula feeding 24.20 Girls I 3 months Total 100.00 Girls I 3 months Breastfeeding 60.82 Girls I 3 months Mixed 11.79 Girls I 3 months Formula feeding 27.40 Girls I 6 months Total 100.00 Girls I 6 months Breastfeeding 45.72 Girls I 6 months Mixed 21.53 Girls I 6 months Formula feeding 32.74 Girls II 6 weeks Total 100.00 Girls II 6 weeks Breastfeeding 78.42 Girls II 6 weeks Mixed 8.82 Girls II 6 weeks Formula feeding 12.75 Girls II 3 months Total 100.00 Girls II 3 months Breastfeeding 74.12 Girls II 3 months Mixed 13.13 Girls II 3 months Formula feeding 12.75 Girls II 6 months Total 100.00 Girls II 6 months Breastfeeding 52.61 Girls II 6 months Mixed 20.34 Girls II 6 months Formula feeding 27.05 Girls III 6 weeks Total 100.00 Girls III 6 weeks Breastfeeding 58.26 Girls III 6 weeks Mixed 11.84 Girls III 6 weeks Formula feeding 29.90 Girls III 3 months Total 100.00 Girls III 3 months Breastfeeding 54.38 Girls III 3 months Mixed 12.17 Girls III 3 months Formula feeding 33.46 Girls III 6 months Total 100.00 Girls III 6 months Breastfeeding 36.46 Girls III 6 months Mixed 14.76 Girls III 6 months Formula feeding 48.78 Girls IV 6 weeks Total 100.00 Girls IV 6 weeks Breastfeeding 59.32 Girls IV 6 weeks Mixed 21.47 Girls IV 6 weeks Formula feeding 19.21 Girls IV 3 months Total 100.00 Girls IV 3 months Breastfeeding 56.07 Girls IV 3 months Mixed 23.09 Girls IV 3 months Formula feeding 20.84 Girls IV 6 months Total 100.00 Girls IV 6 months Breastfeeding 45.91 Girls IV 6 months Mixed 13.82 Girls IV 6 months Formula feeding 40.27 Girls V 6 weeks Total 100.00 Girls V 6 weeks Breastfeeding 67.75 Girls V 6 weeks Mixed 9.42 Girls V 6 weeks Formula feeding 22.83 Girls V 3 months Total 100.00 Girls V 3 months Breastfeeding 63.59 Girls V 3 months Mixed 9.52 Girls V 3 months Formula feeding 26.89 Girls V 6 months Total 100.00 Girls V 6 months Breastfeeding 46.19 Girls V 6 months Mixed 15.95 Girls V 6 months Formula feeding 37.86 Girls VI 6 weeks Total 100.00 Girls VI 6 weeks Breastfeeding 64.16 Girls VI 6 weeks Mixed 10.73 Girls VI 6 weeks Formula feeding 25.11 Girls VI 3 months Total 100.00 Girls VI 3 months Breastfeeding 63.28 Girls VI 3 months Mixed 11.14 Girls VI 3 months Formula feeding 25.58 Girls VI 6 months Total 100.00 Girls VI 6 months Breastfeeding 41.02 Girls VI 6 months Mixed 26.25 Girls VI 6 months Formula feeding 32.73 Girls Not recorded 6 weeks Total 100.00 Girls Not recorded 6 weeks Breastfeeding 59.80 Girls Not recorded 6 weeks Mixed 6.51 Girls Not recorded 6 weeks Formula feeding 33.69 Girls Not recorded 3 months Total 100.00 Girls Not recorded 3 months Breastfeeding 41.72 Girls Not recorded 3 months Mixed 21.89 Girls Not recorded 3 months Formula feeding 36.39 Girls Not recorded 6 months Total 100.00 Girls Not recorded 6 months Breastfeeding 28.10 Girls Not recorded 6 months Mixed 12.96 Girls Not recorded 6 months Formula feeding 58.94