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Table 3 Summary statistics for the stage 2 model, sample sizes (reduced samples) j and expenditure per month

From: Consumer demand for alcoholic beverages in Switzerland: a two-stage quadratic almost ideal demand system for low, moderate, and heavy drinking households

  Mean (all households) Standard deviation (all households) Percentage of zero consumption (all households) Mean (only light drinking households) Standard deviation (only light drinking households) Mean (only moderate drinking households) Standard deviation (only moderate drinking households) Mean (only heavy drinking households) Standard deviation (only heavy drinking households)
Number of households 33,364 25,699 4,152 3,513
Expenditure on beverages (in Swiss Francs) 124.59 188.25 2.38 79.28 69.85 192.70 128.76 375.54 444.81
Expenditure on alcoholic beverages (in Swiss Francs) 67.57 175.72 32.09 23.93 39.15 131.25 109.74 311.51 435.48
Expenditure on non-alcoholic beverages (in Swiss Francs) 57.02 53.95 1.61 55.35 53.30 61.45 53.57 64.03 58.19
Wine (in Swiss Francs) 48.31 162.57 49.10 15.57 34.37 91.17 114.12 237.16 425.85
Beer (in Swiss Francs) 8.23 20.55 69.52 4.36 11.18 17.23 26.65 25.87 41.73
Spirits, sweet wines, etc. (in Swiss Francs) 11.03 32.44 71.33 4.00 13.47 22.85 34.81 48.48 72.84
Coffee (in Swiss Francs) 14.46 31.21 44.66 13.49 30.03 17.23 31.81 18.32 37.81
Tea (in Swiss Francs) 3.87 8.83 59.92 3.91 9.09 3.88 7.76 3.57 8.05
Cocoa beverages (in Swiss Francs) 1.92 6.36 85.05 2.03 6.61 1.64 5.45 1.48 5.45
Mineral water (in Swiss Francs) 10.89 19.33 39.88 10.33 19.17 12.46 19.28 13.10 20.26
Non-alcoholic soft drinks (in Swiss Francs) 15.87 25.01 32.62 15.67 24.64 16.17 25.77 17.02 26.68
Fruit juices and vegetable juices (in Swiss Francs) 10.01 19.81 38.50 9.92 20.65 10.06 15.62 10.54 17.89