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March 20, 2023Open Access

Exposure to outdoor artificial light at night increases risk and burden of metabolic disease in Ningxia, China

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Authors

HWHuihui WangXMXiaohong MaZYZhenfan Yu

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Overview

Observational study reveals increased metabolic disease risk linked to outdoor artificial light at night in hospital patients, indicating a need for targeted light-pollution policies.

Key Points

  • To estimate the association between outdoor artificial light at night and the risk and attributable burden of hospitalizations for metabolic disease.
  • Included daily hospital admission records for metabolic disease in Ningxia, China from 2014 to 2020.
  • Applied logistic regression coupled with distributed lagged nonlinear models (DLNM) evaluating lag periods of 0–30 days.
  • Conducted subgroup analyses stratified by age group and gender to assess vulnerability.
  • Observed a monotonic increase in the cumulative risk of metabolic disease as outdoor artificial light at night exposure increased, peaking near lag day 20.
  • Identified a greater maximum cumulative effect in men (OR: 3.841, 95% CI: 2.825–5.222) than in women (OR: 2.923, 95% CI: 2.201–3.882).
  • Calculated that 26.80% of total metabolic disease cases were attributable to outdoor artificial light at night, with a substantially lower attributable burden in women compared to men.

Cite This Study

Wang et al. (2023) studied this question.

synapsesocial.com/papers/6a6fcc97ac440176ef287574https://doi.org/10.21203/rs.3.rs-2618565/v1
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