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Asthma-related lung function, sleep quality, and sleep duration in urban children

机译：城市儿童的哮喘相关肺功能，睡眠质量和睡眠时间

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摘要

Objectives: Examine (1) the extent to which changes in objectively measured asthma-related lung function (forced expiratory volume in 1 second) within a sleep period are associated with sleep quality and sleep duration during that sleep period in a group of urban children with persistent asthma, (2) associations between morning and evening asthma-related lung function and sleep quality and duration on the adjacent night, and (3) whether these associations differ by ethnic group. Design: Cross-sectional, multimethod approach. Children completed a clinic assessment of asthma and allergy status and used home-based objective measurements of asthma-related lung function and sleep. Setting: Children and their caregivers participated in a clinic assessment at an asthma and allergy clinic and completed additional assessments at home. Participants: Two hundred and sixteen African American, Latino, and non-Latino white urban children, ages 7-9 years, and their primary caregivers. Measurements: Participants took part in a clinic assessment of asthma and allergy status, completed interview-based questionnaires including a diary to track asthma symptoms and sleep patterns, and used actigraphy and home-based spirometry daily across a 4-week period to assess sleep and lung function. Results and conclusions: Results from analyses using structural equation modeling revealed an association between worsening asthma-related lung function and poor sleep quality in the full sample, as well as better asthma-related lung function at night and more optimal sleep efficiency that night. Ethnic group differences emerged in the association with morning or nighttime lung function measurements and sleep quality. Urban minority children with asthma may be at heightened risk for poorer quality sleep. Timing of lung function worsening may be important when considering when and how to improve both asthma health outcomes and sleep quality within specific groups.
机译：目的：检查（1）在睡眠期内客观测量的与哮喘相关的肺功能（1秒内强迫呼气量）的变化与一群城市儿童的睡眠质量和睡眠时间有关持续性哮喘，（2）早晨和晚上与哮喘相关的肺功能以及相邻夜晚的睡眠质量和持续时间之间的关联，以及（3）这些联想是否因族裔群体而有所不同。设计：横截面，多方法方法。儿童完成了对哮喘和过敏状况的诊所评估，并使用了基于家庭的客观测量与哮喘相关的肺功能和睡眠。环境：儿童及其护理人员参加了哮喘和过敏诊所的诊所评估，并在家中完成了其他评估。参与者：7-9岁的26名非裔美国人，拉丁裔和非拉丁裔白人城市儿童及其主要护理人员。测量：参与者参加了哮喘和过敏状况的诊所评估，完成了基于面试的问卷调查，包括日记以跟踪哮喘症状和睡眠方式，并在4周期间使用Actigraphy和Home-Home-Home-Home-Home Spirotry，以评估睡眠和睡眠肺功能。结果和结论：使用结构方程建模的分析结果表明，与哮喘相关的肺功能恶化和完整样本中的睡眠质量较差，以及当晚与哮喘相关的肺功能更好，当晚与哮喘相关的肺功能更高。种族群体差异与早晨或夜间肺功能测量和睡眠质量相关联。哮喘的城市少数族裔儿童可能患有质量较差的睡眠风险。在考虑何时以及如何改善特定组内的哮喘健康状况和睡眠质量时，肺功能恶化的时间恶化可能很重要。

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