Abstract
Purpose
This study aimed to examine the short-term efficacy of a smartphone-based intervention
for Chinese American adolescents who are overweight or obese and to explore factors
associated with decreased body mass index (BMI).
Methods
A randomized controlled study design was used. Intervention group received culturally
appropriate and tailored educational program for weight management while control group
received general health information. Anthropometrics, blood pressure, levels of physical
and sedentary activity, diet, self-efficacy, and quality of life were assessed at
baseline, 3 months, and 6 months. Linear mixed-effects models and regression models
were used to analyze outcomes.
Results
The study included 40 adolescent participants. Adolescents in the intervention reduced
their BMI (z = −4.89, p < .001), BMI z score (z = −4.72, p < .001), sugary beverage (z = −.44, P = .001), and TV and computer time (z = −.51, p < .001) and increasing in self-efficacy in nutrition and physical activity significantly
more than those in the control group. BMI reduction was significantly correlated with
decreased fast food consumption and increased physical activity (F = 6.99, p = .007, r2 = .40). Being female and decreased sugary beverage consumption were related to decreased
BMI z score (F = 8.38, p = .003, r2 = .511).
Conclusions
A culturally appropriate smartphone-based intervention has great potential to reduce
obesity and improve adherence to a healthy lifestyle. Reducing sugary beverages and
fast food intake and decreasing sedentary time are associated with decreased BMI among
adolescents who are overweight or obese.
Keywords
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Article info
Publication history
Published online: November 05, 2018
Accepted:
August 22,
2018
Received:
February 26,
2018
Footnotes
Conflict of interest: The authors have no conflicts on interest to declare.
Identification
Copyright
© 2018 Society for Adolescent Health and Medicine. All rights reserved.
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- ErratumJournal of Adolescent HealthVol. 64Issue 3
- PreviewIn Chen J-L, Guedes CM, Lung AE. Smartphone-Based Healthy Weight Management Intervention for Chinese American Adolescents: Short-Term Efficacy and Factors Associated With Decreased Weight. J Adolesc Health 2019;64:418. https://doi.org/10.1016/j.jadohealth.2018.08.022 , the values in Table 1 are off by one row. The corrected Table 1 appears below. In addition, in Table 2, “Soda drink” should be “Sugar-sweetened drink.”
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