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Table 5 Baseline food and lifestyle characteristics of students by sex and grade class

From: A pilot study with early adolescents: dealing with diet, tobacco and air pollution using practical experiences and biological markers

  Male
(n = 82)
Female
(n = 169)
P 9th grade
(n = 124)
10th grade
(n = 127)
P
Sweetened beverages 8.6 ± 8.9 7.9 ± 9.4 0.17 8.9 ± 10.1 7.5 ± 8.4 0.23
Sweet snacks 10.4 ± 10.2 7.2 ± 7.1 <0.01 8.1 ± 8.8 8.4 ± 8.1 0.76
Salty snacks 4.8 ± 6.6 4.1 ± 5.1 0.32 3.9 ± 4.2 5.1 ± 6.4 0.08
Sport 2.8 ± 1.4 2.4 ± 1.2 0.05 2.5 ± 1.1 2.6 ± 1.5 0.77
TV (hours/day) 2.9 ± 1.1 2.6 ± 1.1 0.02 2.6 ± 1.1 2.8 ± 1.1 0.38