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Table 8 Differences in knowledge at T1 and T2

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

Knowledge T1
(265)
T2
(265)
P
Smoke and pollution 3.77 SD 1.34 4.53 SD 1.55 <.001
Nutrition 3.09 SD 1.36 3.92 SD 1.52 <.001