Higher BMI May Increase Asthma Risk in Adolescent Girls
Author Information
Author(s): Ho Wen-Chao, Lin Yu-Sheng, Caffrey James L, Lin Meng-Hung, Hsu Hui-Tsung, Myers Leann, Chen Pau-Chung, Lin Ruey-Shiung
Primary Institution: China Medical University, Taiwan
Hypothesis
Does higher body mass index (BMI) increase the risk of developing asthma among adolescents with pre-asthmatic symptoms?
Conclusion
Higher BMI increases the risk of asthma in adolescent girls but not in boys.
Supporting Evidence
- Girls with higher BMI had a 75% greater risk of developing asthma compared to normal weight girls.
- Obesity was not significantly associated with asthma risk in boys.
- The study included a large cohort of 4,052 adolescents with pre-asthmatic symptoms.
Takeaway
If girls are heavier, they might be more likely to get asthma, but this doesn't seem to be true for boys.
Methodology
The study followed 4,052 adolescents with undiagnosed asthma-like symptoms for 12 months, using logistic regression to analyze the relationship between BMI and asthma risk.
Potential Biases
Potential selection bias as the study focused on adolescents with existing asthma-like symptoms.
Limitations
The study may not represent the general adolescent population in Taiwan and the follow-up period of 12 months may be insufficient to detect long-term effects.
Participant Demographics
Adolescents aged 13-15 years with undiagnosed asthma-like symptoms.
Statistical Information
P-Value
0.002 for girls, 0.51 for boys
Confidence Interval
95% CI = 1.18-2.61 for girls with obesity
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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