H. T. Le et al. / Health 5 (2013) 24-29
28
T.K et al., Pitrou Isabella and Sirikulchayanonta Chutima
et al. [7,11,19,25-27]. Though it is still argued in litera-
ture about the relationship between sleep duration and
overweight and obesity, we found longer sleeping time
was associated with lower rate of overweight and obesity.
This result is similar to the result of Tran Thi Hong Loan,
Hoang Thi Minh Thu and Vo Thi Dieu Hien and studies
elsewhere outsi de Vietnam [11,17,18,23].
However, unlike findings of other studies in Vietnam
and elsewhere, frequent eating sweet, confectionary and
drinking soft drinks were not found associated with over-
weight and obesity [11,16,19], suggesting that overweigh t
and obesity in the study population in Bac Giang is more
related to dietary characteristic.
5. CONCLUSION
The prevalence of overweight, obesity among second-
dary school students in Bac Giang city of Vietnam in
2011 was 6.7% and 2.0% respectively, lower than similar
prevalence in other regions of Vietnam. The prevalence
was higher in male students and students from families
with higher income and higher food expense and associ-
ated with higher energy intake, more fat consumption,
having supplement meals and bedtime-meal, increased
time for physical activities and longer sleep duration.
Parents should be educated about dietary adequacy and
balance, limiting supplement meals and bedtime meal for
children and children should be educated about increase-
ing physical activities to reduce risk of being overweight
and obesity.
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