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Table 2 Association between TV viewing time and TV viewing-related behaviors based on age groups

From: Association between television viewing and early childhood overweight and obesity: a pair-matched case-control study in China

 

TV viewing time

 

1-to 3-year-old children

4- to 5-year-old children

 

< 1 h

≥1 h

OR

95% CIa

< 1 h

≥1 h

OR

95% CIa

Time spent in sporting activities, n (%)

  

1.181

0.721–1.932

  

1.688b

1.219–2.336

  ≤ 1 h

51 (52.0)

71 (50.4)

  

166 (66.4)

226 (53.9)

  

  > 1 h

47 (42.0)

70 (46.1)

  

84 (33.6)

193 (46.1)

  

Sleep duration, n (%)

  

0.953

0.436–2.085

  

0.964

0.679–1.370

  < 10 h

12 (10.7)

17 (11.2)

  

68 (27.2)

117 (27.9)

  

  ≥ 10 h

100 (89.3)

135 (88.8)

  

182 (72.8)

302 (72.1)

  

Watching TV while having meals, n (%)

  

3.774b

2.194–6.490

  

4.013b

2.798–5.755

 No

86 (76.8)

71 (46.7)

  

198 (79.2)

204 (48.7)

  

 Yes

26 (23.2)

81 (53.3)

  

52 (20.8)

215 (51.3)

  

Having snacks while watching TV, n (%)

  

5.844b

3.152–10.836

  

3.347b

2.361–4.746

 No

96 (85.7)

77 (50.7)

  

191 (76.4)

206 (49.2)

  

 Yes

16 (14.3)

75 (49.3)

  

59 (23.6)

213 (50.8)

  

Advertisement for junk food, n (%)

  

3.697b

2.031–6.727

  

1.810b

1.287–2.547

 No

94 (83.9)

89 (58.6)

  

183 (73.2)

252 (60.1)

  

 Yes

18 (16.1)

63 (41.4)

  

67 (26.8)

167 (39.9)

  
  1. TV television, OR odds ratio, CI confidence interval
  2. aCI and OR were obtained using Cochran-Mantel-Haenszel test analysis
  3. bStatistically significant at 0.01 level