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Table 3 Joint effect of cardiometabolic diseases (CMDs) and cognitive reserve (CR) level: results from Cox and Laplace regression models

From: High cognitive reserve attenuates the risk of dementia associated with cardiometabolic diseases

Joint Exposure

No. of subjects

Hazard ratio of dementia (95% CI)

 

Difference in time (years) to dementia diagnosis (95% CI)

 

Population attributable fraction (95% CI)

CMDs

CR level

Basic Adjusted

Multi-Adjusted

 

Basic Adjusted

Multi-Adjusted

 

CMD-free

High

58,738

Reference

Reference

 

Reference

Reference

  

CMD-free

Moderate

70,493

1.20 (1.11–1.29)

1.15 (1.07–1.24)

 

-0.46 (-0.66, -0.26)

-0.37 (-0.59, -0.16)

  

CMD-free

Low

43,545

1.49 (1.38–1.61)

1.37 (1.27–1.48)

 

-1.05 (-1.28, -0.82)

-0.86 (-1.10, -0.62)

  

CMDs

High

11,191

1.90 (1.70–2.11)

1.83 (1.64–2.04)

 

-1.64 (-1.94, -1.35)

-1.70 (-2.06 -1.34)

 

0.11 (0.04–0.18)

CMDs

Moderate

16,778

2.13 (1.94–2.33)

1.97 (1.80–2.17)

 

-2.16 (-2.49, -1.84)

-2.03 (-2.38, -1.67)

 

CMDs

Low

15,433

2.58 (2.37–2.82)

2.30 (2.10– 2.52)

 

-2.85 (-3.16, -2.54)

-2.58 (-2.89, -2.26)

 
  1. Basic-adjusted models included age at baseline, sex, race/ethnicity, and socioeconomic status. Multi-adjusted models additionally included body mass index, smoking status, alcohol drinking, physical activity, hypertension, depression, and APOE ε4 carrier status