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Table 3 Contribution of factors to income-related inequalities in ill SRH and mental health among Chinese adults: The 2020 China COVID-19 Survey (N = 8448)

From: Income-related health inequality among Chinese adults during the COVID-19 pandemic: evidence based on an online survey

 

Ill SRH

Mental health

Coef.

CIk

Contributiona

Coef.

CIk

Contributiona

Demographics

 Gender

−0.0504***

0.0004

0.03%

−0.0697

0.0004

−0.01%

 Age (in years)

0.0043***

0.0068

−4.10%

−0.0619***

0.0068

−9.18%

Socioeconomic status (SES)

 Education

  Middle

0.0822**

0.0349

−5.14%

0.1601

0.0349

1.58%

  High

0.1298***

−0.0265

8.50%

−0.0813

−0.0265

0.84%

 Employment status

  Employed

−0.0478***

0.0389

5.53%

−0.1448

0.0389

−2.64%

  Student

−0.0158

−0.1899

−2.26%

−0.5919**

−0.1899

13.32%

  Retired

0.0020

0.0562

−0.02%

−0.5575*

0.0562

−0.69%

 Marital status

  Married/cohabiting

−0.0450***

0.0537

7.19%

−0.3267**

0.0537

−8.21%

  Divorced/separated/widowed

0.0402

0.0632

−0.22%

− 0.5271

0.0632

−0.45%

 Residence

  Town

0.0137

−0.0403

0.59%

0.3205*

−0.0403

−2.17%

  City

−0.0015

0.0363

0.14%

0.3087**

0.0363

4.62%

 Per capita household income last year (continuous)

−0.0004***

0.7434

62.71%

0.0015**

0.7434

38.96%

Chronic diseases (numbers)

 1

0.1153***

−0.0106

0.53%

1.4365***

−0.0106

−1.04%

 2

0.0844***

0.1582

−3.47%

2.4734***

0.1582

16.00%

 ≥ 3

0.0443**

0.2001

−2.01%

2.8981***

0.2001

20.66%

Lifestyles

 Alcohol drinking

  Ex-drinker

0.0076

0.0031

−0.01%

0.3418*

0.0031

0.07%

  Currently drinker

0.0156

0.0392

−0.61%

0.2241

0.0392

1.39%

 Smoking

  Ex-smoker

0.0039

0.0457

−0.06%

0.2191

0.0457

0.50%

  Currently smoker

−0.0320**

0.1041

2.37%

0.5669***

0.1041

6.59%

 Knowledge of dietary pagoda

−0.0359***

0.0077

0.88%

−0.5136***

0.0077

−1.97%

 Medical insurance

−0.0192

−0.0034

−0.25%

−0.5918***

−0.0034

1.19%

COVID-19 related variables

 Losing job due to COVID-19

−0.0037

0.0268

0.15%

0.9685***

0.0268

6.22%

 Self-reported family member COVID-19 infection

−0.1343***

0.1727

9.38%

0.8085***

0.1727

8.88%

 Experiencing food shortage during COVID-19 lockdown

0.0121

0.0608

−0.90%

1.5199***

0.0608

17.89%

 Experiencing medication shortage during COVID-19 lockdown

0.0283***

0.0448

−1.72%

0.6561***

0.0448

6.26%

 Engaging in any physical activity/exercise during COVID-19 lockdown

−0.1540***

0.0420

17.57%

−0.8424***

0.0420

−15.12%

 Pandemic severity in the province of residence

  Level 2 pandemic severity

−0.0529**

−0.0181

−0.34%

−0.4240

−0.0181

0.42%

  Level 3 pandemic severity

−0.0431

−0.1050

−1.59%

−0.6717**

−0.1050

3.89%

  Level 4 pandemic severity

−0.0846***

−0.0059

−1.11%

−0.8495***

−0.0059

1.76%

  Level 5 pandemic severity

−0.1369***

0.0464

8.21%

−1.0136***

0.0464

−9.56%

 Contribution of Covid-19 related variables

  

29.66%

  

20.64%

Total

  

100%

  

100%

  1. CIk Concentration Index of factor k
  2. * p < 0.1, ** p < 0.05, *** p < 0.01
  3. a Contribution (%) is defined as the contribution of each factor to the total explained part