Table 2 Summary Statistics for Dependent and Independent Variables, pooling years 2004, 2006, 2009 and 2011

 Reimbursement dummy

1 if reimbursement is greater than zero; 0 otherwise

14469

0.149

0.356

 Reimbursement amount

The log of net reimbursement (2004 RMB)

14469

0.707

1.832

 Reimbursement rate

Ratio of NCMS reimbursement to total healthcare cost

6554

0.177

0.283

 Non-transfer income

Per-capita Non-government income (2004 RMB)

14148

7.142

1.130

 Transfer income

Per capita income from government transfers (non-NCMS) (2004 RMB)

14468

2.518

2.750

 Household size

Excludes long-term migrants

14469

5.063

1.954

 Debt dummy

1 if household carries debt at the end of the year, 0 if not

14517

0.577

0.494

 Farming type

1 if Head relies exclusively on farming, 2 if do not farm, 3 if rely partly on farming, 0 otherwise

14158

1.436

0.911

 Ethnicity

1 if Head ethnicity is Han,0 otherwise

14469

0.641

0.480

 Self-reported Health Status

1 if great, 2 if good, 3 if poor, 4 if very poor

14469

2.343

1.319

 Member of NCMS

1 if yes, 0 if not

11089

0.86

0.35

 Sex

1 if male, 0 if female

14469

0.529

0.499

 Age

1 age < 10, 2 if 10 < =age < 40, 3 if age > =40

14469

2.139

0.681

 Education

Education type: 1 if primary or less; 2 if middle school; 3 if senior school or above

14469

1.337

0.579

 Marriage

1 if single, 2 if married,3 if divorced or other

14469

1.469

0.585

 Diagnostic place ^b

1 if village or town hospital; 2 if county or provincial hospital; 3 if others.

7017

2.172

0.857

 Treatment type ^b

1 if self-treatment; 2 if other informal,3 if saw formal doctor

7793

2.408

0.806

 Chronic disease ^c

1 if individual reports a chronic disease, 0 if not

14469

0.134

0.341