Skip to main content

Table 3 Comparison of the mean number of food and beverage advertisements per station, according to socioeconomic status

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

 

low SES

medium SES

high SES

p-value

(n = 65)

(n = 89)

(n = 24)

Mean distance from the CBD (km)

23.9

16.0

13.3

 

Range (km)

3.9–51.4

0.2–51.9

2.9–28.1

 

Total number of advertisements

1196

4855

880

 

Mean number (SD) of advertisements per station

18.4 (42.4)

54.6 (129.7)

36.7 (57.0)

0.02

Number (%) of food and beverage advertisements

568 (47.5)

1078 (15.6)

269 (30.6)

 

Mean number (SD) of food and beverage advertisements per station

8.7 (19.7)

12.1 (22.4)

11.2 (11.7)

0.59

Estimated marginal mean (SE)

12.1 (1.3)

9.4 (1.1)

11.9 (2.1)

0.24

Number (%) of core food advertisements

55 (4.6)

75 (1.5)

24 (2.7)

 

Mean number (SD) of core food advertisements per station

0.9 (1.9)

0.8 (1.9)

1.0 (1.3)

0.93

Estimated marginal mean (SE)

1.1 (0.2)

0.7 (0.2)

1.0 (0.3)

0.15

Number (%) of discretionary food advertisements

501 (41.9)

892 (18.4)

222 (25.2)

 

Mean number (SD) of discretionary food advertisements per station

7.7 (18.2)

10.0 (19.4)

9.3 (10.2)

0.73

Estimated marginal mean (SE)

10.5 (1.3)

7.8 (1.1)

10.0 (2.1)

0.26

Number (%) of miscellaneous food advertisements

12 (1.0)

111 (2.3)

23 (2.6)

 

Mean number (SD) of miscellaneous food advertisements per station

0.2 (0.8)

1.3 (3.5)

1.0 (1.9)

0.02

Estimated marginal mean (SE)

0.6 (0.3)

1.0 (0.2)

0.9 (0.4)

0.57

  1. n values indicate number of train stations. p-value for comparison of means between low, medium and high SES areas