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Table 1 Results of balance between two groups of participants after PSM-based assigning values by multiple logistic regression

From: Estimation of losses of quality-adjusted life expectancy attributed to the combination of cognitive impairment and multimorbidity among Chinese adults aged 45 years and older

Covariates of PSM

Participants with complete information on multimorbidity and cognitive function (n = 12,300)

Participants owned utility values

Participants were given utility values after PSM matching

P value (ɑ = 0.05)

(n = 3211) (%)a

(n = 9089) (%)a

Age groups (y), n (%)

    

0.609

45–64

2390

(74.43)

6850

(74.43)

 

65–84

743

(22.20)

2018

(23.14)

 

≥ 80

78

(2.43)

221

(2.43)

 

Women, n (%)

1700

(52.94)

4722

(51.95)

0.526

Married & partnered, n (%)

2791

(86.92)

8058

(88.66)

0.028

Education, n (%)

    

0.567

Less than lower secondary

2775

(86.42)

7893

(86.84)

 

Upper secondary & vocational training

359

(11.18)

972

(10.69)

 

tertiary

76

(2.37)

224

(2.47)

 

Missing

1

(0.03)

0

(0.00)

 

Residence, n (%)

    

0.892

Rural Village

2446

(76.18)

6950

(76.47)

 

Urban Community

762

(23.73)

2139

(23.53)

 

Missing

3

(0.09)

0

(0.00)

 

ADL-6 item Scale, mean (SD)

0.28

(0.82)

0.27

(0.81)

0.284

IADL-5 item Scale, mean (SD)

0.38

(0.93)

0.38

(0.93)

0.650

Mobility-7 item Scale, mean (SD)

1.15

(1.44)

1.16

(1.44)

0.499

CESD-30 item Scale, mean (SD)

8.34

(6.26)

8.22

(6.31)

0.244

5-item of Chestpain, mean (SD)

1.53

(1.05)

1.52

(1.04)

0.671

5-item of SroH, mean (SD)

3.56

(0.92)

3.58

(0.93)

0.436

health utility values of EQ-5D, mean (SD)

0.87

(0.19)

0.86

(0.20)

0.124

  1. PSM propensity score matching;
  2. ADL activities of daily living, IADL instrumental activities of daily living, CESD Centre for Epidemiology Studies-Depression Scale;
  3. SroH self-report of health, SD standard deviation;
  4. a Percentages accounting for sampling proportion in subgroups