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Table 3 Quantile regression of out-of-pocket expenditures associated with double disease

From: Out-of-pocket expenditures associated with double disease burden in Pakistan: a quantile regression analysis

Outcome variable:

Adult-equivalent Monthly OOPE

P10

P25

P50

P75

P90

Province (RC: Punjab)

KP

6.566***

6.254

5.624

-19.04

-46.72*

 

(2.274)

(5.003)

(14.66)

(20.84)

(25.75)

Sindh

0.974

2.384

25.69*

1.221

-54.43**

 

(2.556)

(3.659)

(15.07)

(18.63)

(21.43)

Baluchistan

4.952

13.19*

47.20**

4.860

-112.0***

 

(5.439)

(7.479)

(18.51)

(25.65)

(30.81)

Number of dual diseases

 

313.2***

293.6**

258.8***

149.8**

6.053

 

(119.5)

(114.9)

(63.99)

(59.52)

(92.36)

Education (RC: Higher education)

No education

0.860

0.657

-3.160

3.996

-6.206

 

(3.173)

(4.151)

(12.09)

(14.49)

(23.30)

Primary

-0.288

-2.776

2.566

3.201

21.04

 

(2.418)

(3.478)

(13.02)

(22.85)

(26.81)

Secondary

2.955

0.787

16.24

60.20*

98.39***

 

(4.473)

(5.766)

(23.64)

(31.22)

(37.87)

Married head (RC: Unmarried)

 

-2.475

5.248

33.06

29.36

-33.79

 

(5.431)

(7.710)

(25.20)

(40.72)

(38.89)

Female (RC: Male)

 

9.816

3.031

2.605

44.85

101.0

 

(6.277)

(5.960)

(25.34)

(48.79)

(85.04)

Employed (RC: unemployed head)

 

-2.870

-11.03**

-52.91***

-41.72*

-65.61**

 

(2.896)

(5.027)

(17.34)

(22.91)

(32.00)

Head’s age

-0.860***

-1.436***

-2.417***

-2.424***

-2.759***

 

(0.104)

(0.180)

(0.390)

(0.726)

(0.870)

Older members

-5.533***

2.615

44.11***

43.37***

45.01**

 

(1.731)

(2.674)

(8.739)

(10.51)

(17.72)

Household Size

-73.82***

-75.02***

-67.65***

-63.35***

-63.40***

 

(1.773)

(2.187)

(2.869)

(3.101)

(3.658)

Outpatient (RC: In-patient)

 

-3.525

-2.810

-12.08

6.543

-3.807

 

(4.366)

(4.393)

(12.06)

(24.06)

(30.37)

Public (RC: Private healthcare provider)

 

-3.734*

-13.55***

-70.73***

-139.1***

-213.4***

 

(2.223)

(3.130)

(13.78)

(21.99)

(46.85)

Rural (RC: Urban)

 

2.862

4.763*

6.507

-14.46

-33.60

 

(2.016)

(2.531)

(11.66)

(15.44)

(24.55)

Quantiles (RC: Quantile 1)

Q2

-15.26***

-27.23***

-94.11***

-89.92***

-155.1***

 

(3.415)

(4.442)

(17.65)

(24.79)

(35.42)

Q3

-25.68***

-30.76***

-89.55***

-104.6***

-179.9***

 

(3.855)

(5.472)

(17.43)

(33.23)

(35.36)

Q4

-25.59***

-27.23***

-62.58***

-84.71***

-192.5***

 

(3.856)

(6.292)

(23.40)

(25.77)

(38.69)

Q5

-25.95***

-14.34**

9.895

26.88

-32.96

 

(4.117)

(6.049)

(30.87)

(36.21)

(50.96)

Constant

1,499***

1,556***

1,699***

1,804***

2,100***

 

(117.6)

(115.7)

(68.39)

(72.61)

(101.2)

Observations

6,381

6,381

6,381

6,381

6,381

  1. RC implies reference category; Standard errors in parentheses *** p < 0.01, ** p < 0.05, * p < 0.1
  2. P10, P25, P50, P75 and P90 refer to percentiles