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Bilingual health education improves dietary behavior and metabolic indicators in obese Mongolian adolescents

A 6-month Mongolian-Chinese bilingual health education intervention for 111 obese adolescents (from 2,210 screened) significantly improved dietary choices, exercise habits, sleep patterns, and metabolic profiles. Fasting blood glucose, total cholesterol, and LDL-C levels were significantly reduced, with abnormal LDL-C and total cholesterol prevalence dropping to 0% at 6-month follow-up.

Last updated: Jul 11, 2026•0 RCTs•📖 Read as article →

Evidence Score

Evidence Score34/100
Human RCT☆☆☆☆☆
Meta-analysis☆☆☆☆☆
Mechanism★★★★★
Safety★★★★☆
Confidencelow

Study Evidence

Study 1. Effectiveness of bilingual health education on obesity and dietary behaviors in Mongolian adolescents: a six-month intervention study.

observational

Sai H, Li H, Zhang N, Liang H, Xiao Z, Tang F, Lu S, Ao R, Wu W · Frontiers in public health (2026)

Participants: N/A
Duration: 6 months
Intervention: 6-month Mongolian-Chinese bilingual health education intervention covering rational diet guidance, healthy behavior cultivation, and moderate exercise training
Outcome: BMI Z-scores, dietary behaviors, fasting blood glucose, insulin, total cholesterol (TC), LDL-C, HDL-C, triglycerides (TG)
Effect Size: OR = 1.883 (95% CI: 1.338-2.650) for male obesity vs female; OR = 2.262 (95% CI: 1.254-4.081) for reduced physical activity; OR = 1.622 (95% CI: 1.148-2.291) for prolonged sleep duration
Population: Obese Mongolian adolescents (aged 12-18) from three middle schools in Ar Horqin Banner, Chifeng City, Inner Mongolia, China

Result:

PubMed: 42415770DOI: 10.3389/fpubh.2026.1787774

Mechanism Graph

Bilingual health education improves health awareness and dietary knowledge
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Enhanced awareness leads to healthier dietary choices and exercise habits
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Improved behaviors reduce metabolic risk factors (glucose, cholesterol)
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Result: Significant reduction in fasting blood glucose, TC, and LDL-C levels

Limitations

  • ⚠44 out of 155 obese participants were missing at follow-up, introducing potential attrition bias
  • ⚠No control group was used for the intervention, limiting causal inference
  • ⚠Short-term (6-month) intervention did not significantly alter overall BMI Z-scores

Frequently Asked Questions

What was the prevalence of overweight and obesity in this Mongolian adolescent population?▼

Among 2,210 adolescents, the prevalence of overweight was 13.12% and obesity was 7.01%, with a combined rate of 20.13%.

Did the bilingual health education intervention reduce BMI Z-scores?▼

Overall, the 6-month intervention did not significantly alter BMI Z-scores, but a short-term decrease was observed exclusively in males at 3 months.

What metabolic improvements were observed after the intervention?▼

Fasting blood glucose, total cholesterol, and LDL-C levels were significantly reduced, and the prevalence of abnormal LDL-C and total cholesterol dropped to 0% at the 6-month follow-up.

What factors were associated with adolescent obesity in this study?▼

Adolescent obesity was significantly associated with parental obesity, frequent midnight snacking, reduced physical activity, prolonged sleep duration, and severe body dissatisfaction.

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References

  1. 1.Sai H, Li H, Zhang N, Liang H, Xiao Z, Tang F, Lu S, Ao R, Wu W. "Effectiveness of bilingual health education on obesity and dietary behaviors in Mongolian adolescents: a six-month intervention study.." Frontiers in public health, 2026. PMID: 42415770 DOI: 10.3389/fpubh.2026.1787774
Disclaimer: This content is for educational purposes only and is not medical advice. Evidence scores reflect the quality and quantity of available research, not clinical recommendations. Always consult a healthcare professional before starting any supplement or intervention.