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Table 1 Baseline characteristics by mode of delivery

From: Social determinants of delivery mode in Jiangsu, China

 RuralUrbanAllP
VDCDVDCDVDCD
Total440(46.5)506(53.5)175(41.8)244(58.2)615(45.1)750 (54.9) 
Maternal age at delivery (yrs)
 < 35380(86.4)445(87.9)161(92.0)224(91.8)541(88.0)669(89.2)0.475*
 ≥ 3560(13.6)61(12.1)14(8.0)20(8.2)74(12.0)81(10.8) 
Type of residence
 Rural440(71.5)506(67.5) 
 Urban175(28.5)244(32.5) 
Region
 South Jiangsu209(47.5)249(49.2)107(61.1)119(48.8)316(51.4)368(49.1)0.002*
 Middle Jiangsu77(17.5)116(22.9)12(6.9)46(18.9)89(14.5)162(21.6) 
 North Jiangsu154(35.0)141(27.9)56(32.0)79(32.4)210(34.1)220(29.3) 
Household income per capital
 Income level 1104(23.6)92(18.2)24(13.7)32(13.1)128(20.8)124(16.5)0.005*
 Income level 2226(51.4)228(45.1)60(34.3)87(35.7)286(46.5)315(42.0) 
 Income level 395(21.6)150(29.6)66(37.7)87(35.7)161(26.2)237(31.6) 
 Income level 415(3.4)36(7.1)25(14.3)38(15.6)40(6.5)74(9.9) 
Mother’s education
 No formal education17(3.9)14(2.8)1(0.6)0(0.0)18(2.9)14(1.9)0.236*
 Primary54(12.3)51(10.1)3(1.7)2(0.8)57(9.3)53(7.1) 
 Secondary291(66.1)359(70.9)65(37.1)83(34.0)356(57.9)442(58.9) 
 College and above78(17.7)82(16.2)106(60.6)159(65.2)184(29.9)241(32.1) 
Health insurance
 None11(2.5)18(3.6)17(9.7)20(8.2)28(4.6)38(5.1)0.095**
 UEBMI62(14.1)86(17.0)122(69.7)172(70.5)184(29.9)258(34.4) 
 URBMI30(6.8)26(5.1)30(17.1)41(16.8)60(9.8)67(8.9) 
 NCMS244(55.5)301(59.5)6(3.4)9(3.7)250(40.7)310(41.3) 
 URCMI90(20.5)73(14.4)0(0.0)0(0.0)90(14.6)73(9.7) 
 CMI3(0.7)2(0.4)0(0.0)2(0.8)3(0.5)4(0.5) 
Children ever born
 0278(63.2)320(63.2)146(83.4)213(87.3)424(68.9)533(71.1)0.394*
  ≥ 1162(36.8)186(36.8)29(16.6)31(12.7)191(31.1)217(28.9) 
Number of Prenatal care
  < 5104(23.6)87(17.2)16(9.1)16(6.6)120(19.5)103(13.7)0.004*
  ≥ 5336(76.4)419(82.8)159(90.9)228(93.4)495(80.5)647(86.3) 
Delivery institution
 Primary institution168(38.2)192(37.9)13(7.4)25(10.2)181(29.4)217(28.9)0.841*
 Secondary and above272(61.8)314(62.1)162(92.6)219(89.8)434(70.6)533(71.1) 
  1. VD Vaginal Delivery, CD Cesarean Delivery, UEBMI Urban Employee Basic Medical Insurance, URBMI Urban Resident Basic Medical Insurance, URCMI Urban and Rural Residents Cooperative Medical Insurance, NCMS New Cooperative Medical Scheme, CMI Commercial Medical Insurance
  2. Data shown is number (percentage) for all variables
  3. *P value is based on Chi-square test which was used to determine whether there is a significant difference on related variable between rural and urban women undergoing CD
  4. **P value is based on Fishers exact test which was used to determine whether there is a significant difference on related variable between rural and urban women undergoing CD