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Table 6 Negative binomial regression results on the use of inpatient services in the last year

From: The role of parental health care utilization in children’s unnecessary utilization in China: evidence from Shaanxi province

 

Number of children’s inpatient visit in the last year (marginal effect reported)

 

(1) Full sample

(2) Age 0–5

(3) Age 6–11

(4) Age 12–18

 

dy/dx

S.E.

95% CI

dy/dx

S.E.

95% CI

dy/dx

S.E.

95% CI

dy/dx

S.E.

95% CI

Parents had outpatient visit

0.0567a

0.0104

0.0364

0.0770

0.2419a

0.0462

0.1514

0.3324

0.0239

0.0163

−0.0080

0.0558

0.0009

0.0056

−0.0101

0.0119

Per capita household expense

 Poor

0.0187b

0.0080

0.0031

0.0343

0.1042a

0.0353

0.0349

0.1735

−0.0058

0.0066

−0.0188

0.0072

0.0022

0.0048

−0.0073

0.0116

 Average

0.0248a

0.0090

0.0072

0.0425

0.1355a

0.0436

0.0500

0.2210

−0.0036

0.0072

−0.0177

0.0105

0.0035

0.0051

−0.0065

0.0134

 Rich

0.0419a

0.0111

0.0200

0.0637

0.1910a

0.0492

0.0945

0.2875

−0.0106

0.0076

−0.0255

0.0044

0.0191b

0.0092

0.0011

0.0372

 Richest

0.0331a

0.0103

0.0130

0.0532

0.1533a

0.0464

0.0623

0.2442

−0.0082

0.0074

−0.0227

0.0063

0.0133c

0.0071

−0.0007

0.0273

Children had insurance

0.0292a

0.0049

0.0195

0.0388

0.0941a

0.0170

0.0609

0.1274

0.0078

0.0156

−0.0227

0.0383

0.0166a

0.0024

0.0118

0.0214

Children's height (ln)

0.0040

0.0157

−0.0269

0.0348

−0.0107

0.0500

−0.1087

0.0873

0.0545b

0.0232

0.0090

0.1000

−0.0153

0.0159

−0.0465

0.0160

Children's weight (ln)

−0.0228a

0.0085

−0.0395

−0.0060

−0.0310

0.0269

−0.0838

0.0217

−0.0591a

0.0115

−0.0816

−0.0366

−0.0011

0.0078

−0.0163

0.0142

Parental age

0.0004b

0.0002

0.0001

0.0007

0.0008

0.0005

−0.0002

0.0018

0.0008a

0.0002

0.0003

0.0012

0.0001

0.0002

−0.0002

0.0004

Children's age

 3-5

−0.0114c

0.0058

−0.0227

0.0000

−0.0446b

0.0213

−0.0863

−0.0028

        

 6-8

−0.0352a

0.0054

−0.0458

−0.0246

            

 9-11

−0.0467a

0.0053

−0.0571

−0.0362

    

−0.0113c

0.0065

−0.0241

0.0014

    

 12-14

−0.0480a

0.0066

−0.0610

−0.0351

            

 15-18

−0.0545a

0.0077

−0.0697

−0.0394

        

−0.0008

0.0029

−0.0065

0.0048

Gender was male

0.0116a

0.0041

0.0036

0.0196

0.0213

0.0153

−0.0086

0.0512

0.0130b

0.0055

0.0022

0.0237

0.0054b

0.0026

0.0003

0.0105

Ethnicity was Han

0.0217b

0.0104

0.0014

0.0421

0.0781b

0.0341

0.0113

0.1448

0.0080

0.0193

−0.0298

0.0458

−0.0029

0.0135

−0.0293

0.0235

Urban

−0.0113a

0.0043

−0.0197

−0.0029

−0.0342b

0.0162

−0.0659

−0.0024

−0.0044

0.0059

−0.0158

0.0071

−0.0030

0.0025

−0.0079

0.0019

Region

 Guanzhong

0.0194a

0.0049

0.0099

0.0289

0.0482a

0.0176

0.0136

0.0827

0.0278a

0.0080

0.0121

0.0435

0.0028

0.0027

−0.0024

0.0080

 Shanbei

−0.0054

0.0062

−0.0176

0.0068

−0.0368c

0.0214

−0.0789

0.0052

0.0359b

0.0156

0.0053

0.0665

−0.0084a

0.0026

−0.0134

−0.0034

Family size

0.0068a

0.0020

0.0030

0.0106

0.0326a

0.0077

0.0176

0.0476

−0.0041c

0.0024

−0.0088

0.0007

0.0024b

0.0010

0.0005

0.0044

No. of obs.

9,998

3,546

2,918

3,534

  1. Note: aStatistically significant at the 1% level, bstatistically significant at the 5% level, cstatistically significant at the 10% level; S.E. robust standard errors; marginal effects instead of the original coefficients are reported to show the marginal change of the dependent variable given a one unit change in an explanatory variable. The reference groups were: “the poorest” for “per capita household expense”; “no” for “children had insurance”; “0–2” for “children’s age”; “female” for “gender was male”; “others” for “ethnicity was Han”; “rural” for “urban”; “Shannan” for “region”