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Background Insomnia markedly impairs health and quality of life. This study used the 2022 National Health Interview Survey (NHIS) data to explore the relationships among dysphagia duration, dysphonia duration, and insomnia. Methods With the 2022 NHIS data, participants were stratified into insomnia and non-insomnia groups. Chi-square tests assessed group differences in dysphagia/dysphonia duration and covariates. Weighted multivariate logistic regression evaluated associations between dysphagia duration, dysphonia duration, and insomnia, and risk stratification was used to validate correlation stability. Feature importance analysis identified the contribution of each feature to the model. Results In this study, 1,617 subjects were recruited when dysphagia duration served as the exposure factor (548 with insomnia and 1,069 without), and 3,130 subjects were included when dysphonia duration served as the exposure factor (844 with insomnia and 2,286 without). Baseline characteristics showed that dysphagia and dysphonia durations significantly affected insomnia outcomes ( p 0.05). Weighted multivariate regression confirmed these as independent risk factors (odds ratio (OR) 1, p 0.05 in all models). Notably, this effect remained largely unchanged after adjusting for other covariates. Finally, dysphagia and dysphonia durations ranked among the top in the feature importance results. Conclusion This study identified dysphagia and dysphonia durations as independent risk factors for insomnia, with their effects persisting after adjusting for potential covariates. These findings highlight the importance of considering swallowing and voice disorders in insomnia prevention strategies.
Zhou et al. (Fri,) studied this question.