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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