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Table 7 Logistic regressiona analysis for having one CCD or more than one CCDs in relation to socio-demographic factors

From: Chronic diseases among the elderly in a rural Vietnam: prevalence, associated socio-demographic factors and healthcare expenditures

  

OR

95 % C.I.

   

Lower

Upper

p-value

Step 1a

NPL(1)

1.005

0.496

2.036

0.99

Step 2a

age_group(1)

0.742

0.404

1.362

0.335

 

age_group(2)

0.859

0.434

1.698

0.661

 

age_group(3)

0.835

0.397

1.758

0.635

 

age_group(4)

0.753

0.167

3.386

0.711

 

age_group(5)

1.88

0.229

15.419

0.556

Step 3a

Religion(1)

0

0

 

1

 

Religion(2)

0.65

0.175

2.41

0.52

Step 4a

Education(1)

1.1

0.452

2.681

0.833

 

Education(2)

0.904

0.364

2.246

0.828

 

Education(3)

2.103

0.555

7.959

0.274

 

Education(4)

0.607

0.142

2.589

0.5

Step 5a

Head of household(1)

0.822

0.46

1.468

0.508

Step 6a

Sex(1)

0.747

0.439

1.272

0.283

Step 7a

Marital status(1)

4.808

0.841

27.502

0.078

 

Marital status(2)

1.202

0.735

1.968

0.463

 

Marital status(3)

1.106

0.205

5.97

0.906

Step 8a

Ethnicity(1)

0.593

0.231

1.526

0.279

Step 8a

Have no job(1)

0.565

0.275

1.158

0.119

Step 10b

Wealth_quintile(1)

0.669

0.341

1.311

0.241

 

Wealth_quintile(2)

0.362

0.173

0.758

0.007

 

Wealth_quintile(3)

0.776

0.414

1.453

0.428

 

Wealth_quintile(4)

0.722

0.374

1.396

0.334

  1. aThe selection process of the backward stepwise in the regression is shown in the table below, from step 1 to 9, nine non-significant variables were eliminated and their respect OR, CI and p-value at the time of removal are listed. The final step retains only one explanatory variable in the model, i.e., wealth quintile