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Table 1 Number and proportion of food and beverage advertisements by nutrition category, for summer and winter

From: An audit of food and beverage advertising on the Sydney metropolitan train network: regulation and policy implications

  Summer Winter Total p-value
Total number of advertisements 3657 3274 6931  
Number (%) of food and beverage advertisements 999 (27.3) 916 (28.0) 1915 (27.6) 0.06
Mean number (SD) of food and beverage advertisements per station 5.6 (11.6) 5.2 (11.0) 10.8 (20.2)  
Median (min-max) 2.0 (0–95) 2.5 (0–122) 5.0 (0–152)  
Number (% of total food) of core food advertisements 64 (6.4) 90 (9.8) 154 (8.0) 0.04
Mean number (SD) of core food advertisements per station 0.4 (0.8) 0.5 (1.2) 0.9 (1.8)  
Median (min-max) 0.0 (0–4) 0.0 (0–8) 0.0 (0–10)  
Number (% of total food) of discretionary food advertisements 859 (86.0) 756 (82.5) 1615 (84.3) 0.01
Mean number (SD) of discretionary food advertisements per station 4.8 (10.2) 4.3 (9.9) 9.1 (17.9)  
Median (min-max) 2.0 (0–91) 2.0 (0–114) 4.0 (0–142)  
Number (% of total food) of miscellaneous food advertisements 76 (7.6) 70 (7.6) 146 (7.6) 0.62
Mean number (SD) of miscellaneous food advertisements per station 0.4 (1.6) 0.4 (1.7) 0.8 (2.6)  
Median (min-max) 0.0 (0–11) 0.0 (0–16) 0.0 (0–24)  
  1. p-value for test of equal proportions between summer and winter