n | Display outside (%) | Display inside (%) | Ads (%) | ||||||
Inside display | Cashier area | Power wall | Within 30 cm from sweets, drinks or snacks | Any ad inside or outside | Ads outside | Ads inside | |||
Total | 60 | 15.0 | 86.7 | 61.7 | 33.3 | 31.7 | 10.0 | 3.3 | 10.0 |
By city | |||||||||
Shanghai | 12 | 8.3 | 58.3 | 33.3 | 33.3 | 33.3 | 16.7 | 0.0 | 16.7 |
Beijing | 3 | 0.0 | 100.0 | 0.0 | 33.3 | 33.3 | 33.3 | 0.0 | 33.3 |
Guangzhou, Guangdong | 18 | 5.6 | 94.4 | 83.3 | 33.3 | 33.3 | 11.1 | 11.1 | 11.1 |
Chongqing | 20 | 25.0 | 95.0 | 80.0 | 25.0 | 35.0 | 5.0 | 0.0 | 5.0 |
Shenyang, Liaoning | – | – | – | – | – | – | – | – | – |
Jinan, Shandong | 2 | 0.0 | 100.0 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Kunming, Yunnan | – | – | – | – | – | – | – | – | – |
Guilin, Guangxi | 4 | 50.0 | 75.0 | 50.0 | 50.0 | 25.0 | 0.0 | 0.0 | 0.0 |
Kaifeng, Henan | 1 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
Baiyin, Gansu | – | – | – | – | – | – | – | – | – |
χ2 (p value) | – | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A |
By urban/rural | |||||||||
Urban (0–100 m) | 56 | 16.1 | 85.7 | 58.9 | 33.9 | 33.9 | 10.7 | 3.6 | 10.7 |
Rural (0–250 m) | 4 | 0.0 | 100.0 | 100.0 | 25.0 | 0.0 | 0.0 | 0.0 | 0.0 |
χ2 (p value) | – | 0.38 | 0.42 | 0.19 | 0.57 | 0.11 | 0.49 | 0.70 | 0.49 |
By school type | |||||||||
Junior high schools | 25 | 8.0 | 80.0 | 52.0 | 28.0 | 32.0 | 8.0 | 4.0 | 8.0 |
Senior high schools | 26 | 26.9 | 100.0 | 73.1 | 38.5 | 30.8 | 7.7 | 3.8 | 7.7 |
Vocational senior high schools | 9 | 0.0 | 66.7 | 55.6 | 33.3 | 33.3 | 22.2 | 0.0 | 22.2 |
χ2 (p value) | – | 0.07 | 0.02 | 0.65 | 0.80 | 0.62 | 0.42 | 0.83 | 0.42 |
By geographical location | |||||||||
Central (Kaifeng) | 1 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
East (Shanghai, Jinan) | 14 | 7.1 | 64.3 | 28.6 | 42.9 | 28.6 | 14.3 | 0.0 | 14.3 |
North (Beijing) | 3 | 0.0 | 100.0 | 0.0 | 33.3 | 33.3 | 33.3 | 0.0 | 33.3 |
Northeast (Shenyang) | – | – | – | – | – | – | – | – | – |
Northwest (Baiyin) | – | – | – | – | – | – | – | – | – |
South (Guangzhou) | 18 | 5.6 | 94.4 | 83.3 | 33.3 | 33.3 | 11.1 | 11.1 | 11.1 |
Southwest (Chongqing, Kunming, Guilin) | 24 | 29.2 | 91.7 | 75.0 | 29.2 | 33.3 | 4.2 | 0.0 | 4.2 |
χ2 (p value) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
By city population | |||||||||
<5 million people (Kaifeng, Baiyin) | 1 | 0.0 | 100.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
5–10 million people (Shenyang, Jinan, Kunming, Guilin) | 6 | 33.3 | 83.3 | 33.3 | 66.7 | 16.7 | 0.0 | 0.0 | 0.0 |
>10 million people (Shanghai, Beijing, Guangzhou, Chongqing) | 53 | 13.2 | 86.8 | 66.0 | 30.2 | 34.0 | 11.3 | 3.8 | 11.3 |
χ2 (p value) | N/A | N/A | N/A | N/A | N/A | N/A | N/A | N/A | |
By economic development type | |||||||||
Less developed cities (Chongqing, Shenyang, Kunming, Guilin, Kaifeng, Baiyin) | 25 | 28.0 | 92.0 | 72.0 | 28.0 | 32.0 | 4.0 | 0.0 | 4.0 |
Developed cities (Shanghai, Beijing, Guangzhou, Jinan) | 35 | 5.7 | 82.9 | 54.3 | 37.1 | 31.4 | 14.3 | 5.7 | 14.3 |
χ2 (p value) | 0.02 | 0.30 | 0.31 | 0.29 | 0.82 | 0.19 | 0.22 | 0.19 |
e-cigarette, electronic cigarette; N/A, not applicable.