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Table 6 Multivariable logistic regression analysis of factors associated with catastrophic total costs

From: Factors associated with catastrophic total costs due to tuberculosis under a designated hospital service model: a cross-sectional study in China

Variable

Multivariable

Multivariable*

aOR

95% CI

P-value

aOR

95% CI

P-value

Age (years)

  < 60

1

  

1

  

  ≥ 60

3.41

1.85,6.32

< 0.001

4.32

2.26,8.27

< 0.001

Education

 None

1

  

1

  

 Primary or Junior school

1.31

0.62,2.80

0.480

1.31

0.62,2.80

0.480

 Senior school or above

1.09

0.46,2.62

0.840

1.09

0.46,2.62

0.840

Minimum living security household

      

 No

1

  

1

  

 Yes

5.69

1.95,16.60

0.001

5.69

1.95,16.60

0.001

Employment status before illness

 Employed

1

  

1

  

 Unemployed

1.67

1.04,2.69

0.036

1.67

1.04,2.69

0.036

Employment status after illness

 Employed

1

  

1

  

 Unemployed

2.47

1.49,4.08

< 0.001

2.47

1.49,4.08

< 0.001

Local basic medical insurance

 No

1

  

1

  

 Yes

0.52

0.32,0.85

0.009

0.52

0.32,0.85

0.009

Household economic status

 Q1

1

  

1

  

 Q2

1.54

0.75,3.17

0.242

1.54

0.75,3.17

0.242

 Q3

3.00

1.48,6.10

0.002

3.01

1.48,6.10

0.002

 Q4

7.28

3.29,16.10

< 0.001

7.26

3.28,16.06

< 0.001

 Q5

15.84

7.27,34.55

< 0.001

15.91

7.28,34.76

< 0.001

Type of case

 New or never treated

1

  

1

  

 Relapse or previously treated

1.35

0.70,2.61

0.376

1.35

0.70,2.61

0.378

Comorbidities

 No

1

  

1

  

 Yes

1.71

0.94,3.13

0.080

1.71

0.94,3.12

0.082

Seeking medical care outside the city

 No

1

  

1

  

 Yes

2.29

1.21,4.34

0.011

2.29

1.21,4.34

0.011

Hospitalisation

 No

1

  

1

  

 Yes

5.42

3.35,8.76

< 0.001

5.54

3.15,9.75

< 0.001

Severe adverse drug reactions

 No

1

  

1

  

 Yes

1.95

1.24,3.08

0.004

2.05

0.90,4.66

0.087

Drug sensitivity test

 RS

1

  

1

  

 RMR

1.15

0.45,2.97

0.768

1.16

0.45,2.99

0.761

 MDR

2.78

1.28,6.02

0.010

2.77

1.27,6.01

0.010

  1. Note: Minimum living security household is defined as a household’s anuual income per capita lower than US$ 1429. The designation of minimum living security household status needs to be certified by the local civil affairs bureau
  2. Local basic medical insurance refers to the basic medical insurance registered in Ningbo city
  3. Household economic status is ranked based on a household’s annual income per capita, with quartile 1 (Q1) being the richest and quartile 5 (Q5) being the poorest
  4. Comorbidities refers to the simultaneous occurrence of malignancy, diabetes mellitus, renal disease, etc.
  5. RS rifampicin-susceptible; RMR rifampicin-monoresistant; MDR multidrug-resistant
  6. aOR Adjusted odds ratio; 95% CI 95% confidence intervals
  7. *The multivariable logistic model accounted the interaction between hospitalization and severe adverse drug reactions