Association between stress and asthma symptoms: a population-based study

Area of Science:

• Epidemiology
• Public Health
• Respiratory Medicine

Background:

• Stress is widely believed to exacerbate asthma, but empirical evidence from general population studies is limited.
• Understanding the relationship between stress and asthma is crucial for public health initiatives and patient management.

Purpose of the Study:

• To investigate the association between perceived stress levels and the occurrence of asthma symptoms in the general population of South Korea.
• To provide data supporting or refuting the link between stress and asthma in a large-scale, population-based study.

Main Methods:

• A cross-sectional study utilizing data from the National Health and Nutrition Examination Survey I (South Korea, 1998).
• Inclusion of 5048 subjects aged 20-44 years, selected via stratified random sampling.
• Multivariate analysis using multiple logistic regression to assess the relationship between stress categories and asthma symptoms.

Main Results:

• The prevalence of wheeze was 12.9% and nighttime respiratory symptoms was 13.5% in the preceding 12 months.
• Odds ratios for wheeze increased significantly with higher stress levels: 1.7 (some stress), 2.6 (much stress), and 3.6 (very much stress) compared to little stress.
• Odds ratios for nighttime respiratory symptoms also increased with stress: 1.5 (some stress), 2.4 (much stress), and 4.0 (very much stress) compared to little stress.

Conclusions:

• This study demonstrates a significant association between perceived stress and asthma symptoms in the general South Korean population.
• The findings support the hypothesis that stress is a contributing factor to asthma symptom exacerbation.