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Table 3 Association between intergenerational relationships and cognitive impairment with cut-off value 24 for MMSE scores using traditional Cox regression

From: Association of intergenerational relationships with cognitive impairment among Chinese adults 80 years of age or older: prospective cohort study

 

Model1

Model2

Model3

Crude HR (95% CI)

P value

HR (95% CI)

P value

HR (95% CI)

P value

Main financial support

 

 < 0.001

 

 < 0.001

 

< 0.001

 No

1 Reference

 

1 Reference

 

1 Reference

 

 Yes

1.64 (1.55, 1.74)

 

1.28 (1.20, 1.37)

 

1.26 (1.18, 1.34)

 

Living or being visited

 

0.625

 

0.674

 

0.793

 No

1 Reference

 

1 Reference

 

1 Reference

 

 Yes

1.03 (0.93, 1.14)

 

0.98 (0.88, 1.09)

 

0.97 (0.87, 1.08)

0.526

Housework or childcare

 

0.002

 

 < 0.001

 

0.009

 No

1 Reference

 

1 Reference

 

1 Reference

 

 Yes

0.91 (0.85, 0.96)

 

0.88 (0.83, 0.94)

 

0.92 (0.86, 0.98)

 
  1. Abbreviations: HR Hazard ratio, CI Confidence interval
  2. Model 2 were adjusted for age, gender, residence, marital status and education
  3. Model 3 were further adjusted for smoking, drinking status, exercise, ADL disability, BMI, comorbidity and baseline Chinese MMSE scores