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Pregnancy and childhood exposure to residential traffic noise and overweight at 7 years of age

机译：7岁的怀孕和儿童接触住宅交通噪音和超重

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Exposure to traffic noise has been associated with adiposity in adults. The suggested pathways have been through sleep disturbance and stress. Children may be particularly susceptible to noise induced sleep disturbance and stress and the effects hereof. We identified 40,974 singletons from the Danish National Birth Cohort with parentally given questionnaire information on weight and height at 7-years of age. Road and railway traffic noise were modelled at all historical addresses and expressed as time-weighted means for two exposure periods (pregnancy and childhood). Adiposity was assessed using BMI z-scores and a dichotomous measure of childhood overweight based on age and sex specific cut-offs. Associations were analyzed using linear regression for BMI z-scores and logistic regression for risk of childhood overweight, adjusting for socioeconomic position, maternal lifestyle, parity and degree of urbanization. We found both pregnancy and childhood exposure to road traffic noise to be associated with a higher risk for childhood overweight (odds ratio (OR) = 1.06 per 10 dB, 95% confidence interval (CI): 1.00-1.12 for exposure during pregnancy and OR=1.06 per 10 dB, 95% CI: 0.99-1.12 for childhood exposure). There were no associations between road traffic noise and BMI z-scores. We found no associations between railway noise and adiposity.
机译：暴露于交通噪音与成年人的肥胖有关。建议的途径通过睡眠障碍和压力。儿童可能特别容易受到噪声诱导的睡眠障碍和压力以及本发明的效果。我们从丹麦国家出生队列中确定了40,974名单身人士，其中7岁以上给予了有关体重和高度的调查问卷信息。道路和铁路交通噪声在所有历史地址建模，并表示为两个暴露期（怀孕和童年）的时间加权手段。基于年龄和性别特定截止，使用BMI Z分数和儿童超重的二分法测量评估肥胖。使用线性回归使用对BMI Z分数的线性回归和童年超重风险的逻辑回归分析关联，调整社会经济地位，母体生活方式，平等程度和城市化程度。我们发现怀孕和儿童暴露于道路交通噪音与儿童时期超重风险更高（每10 dB的差距（或）= 1.06，95％置信区间（CI）：1.00-1.12在怀孕期间接触或每10 dB = 1.06，儿童暴露的95％CI：0.99-1.12）。道路交通噪音和BMI Z分数没有关联。我们发现铁路噪音与肥胖之间没有任何关联。

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