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Table 2 HRs and 95% CIs for the association between alcohol use disorders and Parkinson’s disease in the Swedish National Inpatient Register 1972-2008, n = 602,930

From: Alcohol use disorders and risk of Parkinson’s disease: findings from a Swedish national cohort study 1972–2008

   Total population        Parkinson’s disease
   n n HRa (95% CI) p-value b
Appendicitis Reference 326,403 658 1   
Alcohol Model 1c 276,527 1,086 2.57 (2.32–2.82) <.0001
  Model 2    1.52 (1.38–1.67) <.0001
  Model 3    2.42 (2.19–2.67) <.0001
  Model 4    1.38 (1.25–1.53) <.0001
  1. aAbbreviations: HRs, hazard ratios.
  2. bTested with 95% significant level.
  3. cModel 1 crude.
  4. Model 2 adjusted for age at exposure.
  5. Model 3 adjusted for sex.
  6. Model 4 adjusted for age at exposure and sex.