Figures (5)  Tables (1)

    • Figure 1. 

      Average yearly seasonal CPI adjusted NRT sales in million dollars, and average yearly seasonal nicotine quantity in million milligrams for all NRT products.

    • Figure 2. 

      STL decomposition of CPI adjusted NRT sales in million dollars by season for all NRT products, nicotine replacement gum, nicotine replacement lozenges, and nicotine replacement patches.

    • Figure 3. 

      STL decomposition of nicotine quantity in million milligrams by season for all NRT products, nicotine replacement gum, nicotine replacement lozenges, and nicotine replacement patches.

    • Figure 4. 

      Boxplot of CPI adjusted NRT sales in million dollars by season for all NRT, GUM, LOZ, and PAT.

    • Figure 5. 

      Boxplot of nicotine quantity in million milligrams by season for all NRT, GUM, LOZ, and PAT.

    • NRT product Season Mean Median sd Min Max F (p)
      CPI adjusted NRT sales in million dollars Nicotine replacement gum Winter 29.40 29.84 2.60 25.51 33.34 0.784 (0.508)
      Spring 30.16 30.87 2.54 25.59 32.86
      Summer 29.06 29.61 2.56 23.77 32.06
      Fall 28.80 29.44 2.66 22.46 31.99
      Nicotine replacement lozenges Winter 9.80 10.23 3.68 0.22 15.81 0.169 (0.917)
      Spring 9.96 9.79 3.50 1.74 15.53
      Summer 9.30 10.25 3.19 2.01 13.87
      Fall 9.23 10.30 3.21 0.61 12.97
      Nicotine replacement patches Winter 10.36 10.05 2.48 7.80 17.88 2.207 (0.098)
      Spring 10.15 8.99 2.82 7.14 16.59
      Summer 8.79 8.06 1.95 6.62 13.82
      Fall 8.58 7.92 2.11 6.47 15.10
      All NRT products Winter 49.56 48.21 5.65 41.51 65.06 1.463 (0.235)
      Spring 50.27 47.95 6.86 41.28 63.65
      Summer 47.15 46.74 5.15 36.98 57.65
      Fall 46.60 46.23 5.00 37.13 58.40
      Nicotine quantity in million milligrams Nicotine replacement gum Winter 183.12 173.27 25.95 147.18 220.52 0.379 (0.768)
      Spring 182.06 179.41 18.98 147.17 206.14
      Summer 176.12 174.35 24.33 133.76 216.44
      Fall 175.84 175.22 25.73 128.91 218.42
      Nicotine replacement lozenges Winter 46.55 49.55 15.85 1.33 67.44 0.395 (0.757)
      Spring 44.39 47.54 13.67 8.35 63.80
      Summer 41.57 49.13 14.14 10.51 57.17
      Fall 41.72 48.14 13.91 3.77 56.07
      Nicotine replacement patches Winter 51.68 49.60 10.27 41.59 81.63 5.89 (0.001)
      Spring 47.14 43.46 9.94 35.20 67.76
      Summer 41.19 40.02 6.19 33.36 56.81
      Fall 40.20 39.59 6.67 32.39 60.85
      All NRT products Winter 281.35 279.38 25.82 240.71 323.02 3.578 (0.012)
      Spring 273.59 281.16 15.84 243.77 292.21
      Summer 258.88 263.48 25.04 218.76 307.08
      Fall 257.76 255.88 24.84 218.02 309.65

      Table 1. 

      Seasonal NRT sales and nicotine quantity.