Normal BV AV VVC TV AV+BV VVC+BV VVC+AV AV+TV Single vaginitis Mixed vaginitis
n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%) n (%)
Age, years
<30 240(27.6) 10(23.8) 9(29) 30(34.1) 2(100) 5(25) 4(36.4) 4(33.3) 0 51(31.3) 13(29.5)
30≤ <35 367(42.3) 20(47.6) 15(48.4) 37(42) 0 8(40) 6(54.5) 4(33.3) 1(100) 72(44.2) 19(43.2)
≥35 261(30.1) 12(28.6) 7(22.6) 21(23.9) 0 7(35) 1(9.1) 4(33.3) 0 40(24.5) 12(27.3)
Educational status
≤junior high school 36(4.1) 2(4.8) 2(6.5) 5(5.7) 1(50) 0 1(9.1) 1(8.3) 0 10(6.1) 2(4.5)
senior high school≤<college 213(24.5) 11(26.2) 3(9.7) 25(28.4) 1(50) 2(10) 1(9.1) 1(8.3) 0 40(24.5) 4(9.1)
college or above 619(71.3) 29(69) 26(83.9) 58(65.9) 0 18(90) 9(81.8) 10(83.3) 1(100) 113(69.3) 38(86.4)
Gravidity
1 380(43.8) 16(38.1) 12(38.7) 41(46.6) 2(100) 10(50) 4(36.4) 4(33.3) 1(100) 71(43.6) 19(43.2)
2-3 386(44.5) 23(54.8) 18(58.1) 39(44.3) 0 9(45) 5(45.5) 4(33.3) 0 80(49.1) 18(40.9)
≥4 102(11.8) 3(7.1) 1(3.2) 8(9.1) 0 1(5) 2(18.2) 4(33.3) 0 12(7.4) 7(15.9)
Parity
0 564(65) 31(73.8) 29(64.5) 65(73.9) 2(100) 15(75) 6(54.5) 7(58.3) 1(100) 118(72.4) 29(65.9)
1 282(32.5) 11(26.2) 9(29) 21(23.9) 0 5(25) 5(45.5) 5(41.7) 0 41(25.2) 15(34.1)
≥2 22(2.5) 0 2(6.5) 2(2.3) 0 0 0 0 0 4(2.5) 0
Abortion
0 515(59.3) 21(50) 20(64.5) 49(55.7) 2(100) 16(80) 7(63.6) 6(50) 1(100) 92(56.4) 30(68.2) j
1 208(24) 16(38.1) 9(29) 30(34.1) 0 1(5) 1(9.1) 2(16.7) 0 55(33.7) 4(9.1)
≥2 145(16.7) 5(11.9) 2(6.5) 9(10.2) 0 3(15) 3(27.3) 4(33.3) 0 16(9.8) 10(22.7)
Number of sexual partners
1 718(82.7) 32(76.2) 27(87.1) 75(85.2) 1(50) 16(80) 9(81.8) 10(83.3) 0 135(82.8) 35(79.5)
2-3 144(16.6) 9(21.4) 4(12.9) 13(14.8) 1(50) 3(15) 2(18.2) 2(16.7) 1(100) 27(16.6) 8(18.2)
≥4 6(0.7) 1(2.4) 0 0 0 1(5) 0 0 0 1(0.6) 1(2.3)
Positive of oral glucose tolerance test during pregnancy 100(11.5) 4(9.5) 5(16.1) 19(21.6) 1(50) 4(20) 5(45.5) d, e 2(16.7) 0 29(17.8) 11(25) i
History of vaginitis during pregnancy 88(10.1) 9(21.4) 4(12.9) 22(25) 1(50) 4(20) 5(45.5) e 2(16.7) 0 36(22.1) 11(25) i
Sex during pregnancy 304(35) 18(42.9) 5(16.1) 29(33) 2(100) 8(40) 8(72.7) c, e 3(25) 1(100) 54(33.1) 20(45.5)
History of genital infections before pregnancy 213(24.5) 9(21.4) 9(29) 28(31.8) 0 3(15) 2(18.2) 9(75) f, g, h 0 46(28.2) 14(31.8)
Panty liner use 151(17.4) 5(11.9) 6(19.4) 17(19.3) 1(50) 3(15) 1(9.1) 3(35) 1(100) 29(17.8) 8(18.2)