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Table 1 Sample size for the study years from 2008 to 2015

From: Prevalence and intensity of catastrophic health care expenditures in Iran from 2008 to 2015: a study on Iranian household income and expenditure survey

Year

Residency

Primary sample

Excluded samplea

Final sample

Sample size

2008

Urban

19,381

43

19,338

39,008

Rural

19,707

37

19,670

2009

Urban

18,665

59

18,606

36,772

Rural

18,203

37

18,166

2010

Urban

18,701

52

18,649

38,176

Rural

19,584

57

19,527

2011

Urban

18,727

32

18,695

38,434

Rural

19,786

47

19,739

2012

Urban

18,535

33

18,502

38,117

Rural

19,657

42

19,615

2013

Urban

18,880

46

18,834

38,244

Rural

19,436

26

19,410

2014

Urban

18,885

28

18,857

38,191

Rural

19,390

56

19,334

2015

Urban

18,871

45

18,826

38,148

Rural

19,381

59

19,322

Sum

Urban

131,774

293

131,461

305,090

Rural

135,763

302

135,479

  1. aNumber of households with no food expenditure report