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Table 3 Association between time spent outdoors and the risk of Parkinson’s disease (continuous variable)

From: Association of time spent outdoors with the risk of Parkinson’s disease: a prospective cohort study of 329,359 participants

Time spent in outdoor light

HR (95%CI)

P value

Average

  

Increase per 1 h

0.96(0.93,0.98)

< 0.001

Summer

  

Increase per 1 h

0.97(0.95,0.99)

< 0.001

Winter

  

below 1 h (per 1 h increase)

1.07(0.86,1.33)

0.531

above 1 h (per 1 h increase)

0.95(0.92,0.98)

0.003

  1. Model adjusted for age, sex, education, use of sun/UV protectants, PM2.5, vitamin D supplement use, fish oil supplement use, smoking, drinking, TDI, BMI, hypertension, diabetes, TPA, and skin color
  2. Bold indicates statistical significance (P < 0.05)
  3. Abbreviation: UV, Ultraviolet radiation; TDI, Townsend deprivation index; BMI, Body mass index; TPA, Total physical activity
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BMC Neurology

ISSN: 1471-2377

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