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Table 3 Determinants of GPs’ earning (income and wage) in Iran

From: Income inequality among general practitioners in Iran: a decomposition approach

Variables

L Gross Monthly Income

L Wage

β*

P-value

β

P-value

Constant

15.438

0.000

10.279

0.000

Gender

 (1 female, 0 male)

−.532

0.000

−.159

0.041

Age

 26–35 years

Ref

 36–45 years

−.018

0.892

.062

0.682

 46–55 years

−.204

0.188

−.090

0.592

  ≥ 56 years

−.626

0.001

−.627

0.002

Marital status

 (1 married, 0 single)

.047

0.583

.152

0.171

Practice setting

 (1 self-employed, 0 other)

.357

0.000

.457

0.000

Family Physician

 (1 yes, 0 no)

.377

0.000

.120

0.366

Practice location

 Other cities, Villages

Ref

 Province centers

−.108

0.146

.042

0.651

 Capital of the country

−.186

0.010

−.033

0.712

Practice experience

 0–5 years

Ref

 6–10 years

.123

0.388

.281

0.059

 11–15 years

.177

0.202

−.042

0.791

 16–20 years

.357

0.017

.157

0.346

  ≥ 21 years

.274

0.104

.063

0.729

Goodness of fit

F = 14.51 (0.000), R2 = 0.25

F = 6.1 (0.000), R2 = 0.17

  1. β*: Regression coefficients