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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”