Table 3.
Characteristics of food advertising
| N (%) | The proportion of food ads among all ads | The proportion of non-core food ads among food ads | |||||
|---|---|---|---|---|---|---|---|
| n (%) | OR (95 % CI) | Adjusted OR (95 % CI) | n (%) | OR (95 % CI) | Adjusted OR (95 % CI) | ||
| Dates | |||||||
| Weekdays | 2872 (52.0) | 572 (19.9) | 1.00 (−−) | 1.00 (−−) | 261 (45.6) | 1.00 (−−) | 1.00 (−−) |
| Weekends | 2655 (48.0) | 837 (31.5) | 1.85 (1.64,2.09)* | 1.28 (1.04,1.57)* | 419 (50.1) | 1.19 (0.97,1.48) | 1.18 (0.80,1.72) |
| Times | |||||||
| Peak time | 1188 (21.5) | 305 (25.7) | 1.00 (−−) | 1.00 (−−) | 118 (38.7) | 1.00 (−−) | 1.00 (−−) |
| Non-peak time | 4339 (78.5) | 1104 (51.4) | 0.99 (0.85,1.14) | 1.11 (0.94,1.31) | 562 (50.9) | 1.64 (1.27,2.13)* | 1.60 (1.19,2.16)* |
| Morning | 2013 (36.4) | 457 (23.2) | 1.00 (−−) | 1.00 (−−) | 224 (48.0) | 1.00 (−−) | 1.00 (−−) |
| Afternoon | 2021 (36.6) | 528 (26.1) | 1.17 (1.01, 1.35)* | 1.21 (1.04, 1.41)* | 281 (53.2) | 1.23 (0.96, 1.58) | 1.41 (1.09, 1.83)* |
| Evening | 1493 (27.0) | 414 (27.7) | 1.27 (1.09,1.48)* | 1.46 (1.22,1.73)* | 175 (42.3) | 0.79 (0.61,1.04) | 1.06 (0.78,1.44) |
| Channels | |||||||
| Central TV channels | 3712 (67.2) | 1053 (33.2) | 1.00 (−−) | 1.00 (−−) | 490 (46.5) | 1.00 (−−) | 1.00 (−−) |
| Local TV channels | 1815 (32.8) | 356 (19.6) | 0.62 (0.54,0.71)* | 0.53 (0.41,0.69)* | 190 (53.4) | 1.32 (1.03,1.67)* | 1.11 (0.70,1.77) |
| Children’s channels | 2120 (38.4) | 478 (22.6) | 1.00 (−−) | 1.00 (−−) | 168 (35.2) | 1.00 (−−) | 1.00 (−−) |
| Non-children’s channels | 3407 (61.6) | 931 (27.3) | 1.29 (1.14,1.47)* | 1.75 (1.47,2.08)* | 512 (55.0) | 2.25 (1.80,2.83)* | 2.15 (1.59,2.91)* |
Ads advertisements
*: P < 0.05