Sociodemographic factors, health behavior, parental or workplace smoking, and adult asthma risk in the United States.
Khalid S Alwadeai
PMID 38306078WHAT IT FOUND
Asthma was reported by 11% of smokers and 8.1% of nonsmokers, with no significant difference.
Parental or workplace smoking history and several factors were associated with higher reported asthma.
Key findings
01Of 874 adults, asthma was reported by 11% of smokers and 8.1% of nonsmokers, and the table gave p=.263.
02Several factors were linked to 1 or more fold odds of asthma: female sex, Black race, school or college education, unmarried or divorced status, employed status, no alcohol intake, physical inactivity, obesity, diabetes, and joint disease.
03Among adult smokers, asthma prevalence was 10% or more for those who grew up living with a smoking parent, and also for those with house or workplace smoking history, especially if physically inactive and overweight or obese.
STILL TO COME
How it was doneWhat they foundWhat it means for PTs
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What it does not show
The study is cross-sectional, so it cannot show that any factor caused asthma. Asthma, smoking, parental smoking, workplace smoking, physical activity, and waist size were self-reported, so recall and misclassification may bias the results. Only adults aged 25 to 45 years were included, so it does not speak to older adults. Many people were excluded: 874 of 3,577 participants were analysed after missing or refused responses and age exclusions. Smoking status was based on ever smoking regularly, so it did not account for how much current smokers or former smokers were exposed. Data on quantity of smoking, asthma medication, type and quantity of alcohol, asthma severity, and family history of asthma were not available.
The easy way to misread this
Do not read this as proof that smoking or parental smoke exposure causes asthma. The study was cross-sectional and self-reported, and the descriptive asthma difference between smokers and nonsmokers had p=.263.