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Table 3 Hazard ratios and 95% confidence intervals from Cox proportional hazard models for association between composite greenspace exposure dementia and dementia subtypes with multiple imputation

From: Neighborhood greenspace exposure as a protective factor in dementia risk among U.S. adults 75 years or older: a cohort study

 

Greenspace Exposure Group

 

Low

Med

High

All-cause dementia

Model A

REF

0.77 (0.62,0.96)

0.76 (0.59,0.97)

Model B

REF

0.77 (0.62,0.96)

0.76 (0.59,0.98)

Model C

REF

0.77 (0.62,0.95)

0.82 (0.63,1.06)

Model D

REF

0.77 (0.62,0.96)

0.82 (0.63,1.06)

Mixed/VaD

Model A

REF

0.80 (0.54,1.18)

0.72 (0.46,1.13)

Model B

REF

0.83 (0.56,1.24)

0.77 (0.48,1.23)

Model C

REF

0.84 (0.56,1.24)

0.83 (0.52,1.32)

Model D

REF

0.84 (0.56,1.24)

0.83 (0.52,1.33)

Alzheimer’s Disease only

Model A

REF

0.74 (0.56,0.97)

0.80 (0.59,1.09)

Model B

REF

0.72 (0.55,0.94)

0.78 (0.57,1.06)

Model C

REF

0.72 (0.55,0.95)

0.84 (0.61,1.16)

Model D

REF

0.73 (0.56,0.96)

0.84 (0.61,1.16)

  1. Model A: adjusted for year, race, sex, treatment arm, site
  2. Model B: adjusted for Model A + NSES, education
  3. Model C: adjusted for Model B + mobility, MCI at baseline, alcohol, smoking, APOE ɛ4, BMI
  4. Model D: adjusted for Model C + rurality