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Table 3 Characteristics of food advertising

From: The extent and nature of television food advertising to children in Xi’an, China

  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)*
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  2. *: P < 0.05