Table 2 Sample characteristics (n = 258)
Characteristics | Teach-back group n = 128 n (%) | Control group n = 130 n (%) No. (%) | Statistic | P value |
|---|---|---|---|---|
Age [years, M (P25, P75)] | 29(27.25,33) | 32(28,32) | − 0.489a | 0.625 |
Ethnic group | ||||
Han people | 126(98.4) | 126(96.9) | 0.651b | 0.420 |
Minority | 2(1.6) | 4(3.1) | Â | Â |
Marital status | ||||
Married | 127(99.2) | 127(97.7) | 0.985b | 0.321 |
Other | 1(0.8) | 3(2.3) | Â | Â |
Education | ||||
Primary and below | 1(0.8) | 0 | −1.261 a | 0.207 |
Junior school | 16(12.5) | 17(13.1) | Â | Â |
High school | 20(15.6) | 11(8.5) | Â | Â |
College | 82(64.1) | 90(69.2) | Â | Â |
Undergraduate and above | 9(7.0) | 12(9.2) | Â | Â |
Residential area | ||||
Rural area | 11(8.6) | 16(12.3) | 1.551b | 0.461 |
County | 19(14.8) | 23(17.7) | Â | Â |
Urban | 98(76.6) | 91(70) | Â | Â |
Occupational status | ||||
Unemployed | 44(34.4) | 41(31.5) | 0.235b | 0.628 |
Employed | 84(65.6) | 89(68.5) | Â | Â |
Monthly family income (RMB) | ||||
< 5000 | 36(28.1) | 32(24.6) | −0.054a | 0.957 |
~ 8000 | 46(35.9) | 50(38.5) |  |  |
~ 15,000 | 22(17.2) | 35(26.9) |  |  |
≥15,000 | 24(18.8) | 13(10.0) |  |  |
Insurance type | ||||
Private insurance | 31(24.2) | 20(15.4) | 3.400b | 0.334 |
New rural cooperative medical system | 19(14.8) | 21(16.2) | Â | Â |
Occupational health insurance | 77(60.2) | 87(66.9) | Â | Â |
Other | 1(0.8) | 2(1.5) | Â | Â |
BMI before pregnancy (mean ± SD) | 20.925 ± 2.235 | 21.257 ± 2.462 | 1.135c | 0.258 |
Normal (18.5 ≤ BMI < 25) | 101(78.9) | 103(79.2) | 0.004b | 0.949 |
Abnormal (BMI < 18.5 or BMI ≥ 25) | 27(21.1) | 27(20.8) |  |  |
Parity | ||||
Unipara | 77(60.2) | 74(56.9) | 0.278b | 0.598 |
Multipara | 51(39.8) | 56(43.1) | Â | Â |
History of scarred uterus | ||||
No | 100(78.1) | 102(78.5) | 0.004b | 0.948 |
Yes | 28(21.9) | 28(21.5) | Â | Â |
Experience with any pregnancy and childbirth-related educational sessions before participating in the current study | ||||
No | 77(60.2) | 82(63.1) | 0.233b | 0.630 |
Yes | 51(39.8) | 48(36.9) | Â | Â |
Number of terminations [M (P25, P75)] | 0(0,1) | 0(0,1) | −0.244a | 0.807 |
Birth modes | ||||
Spontaneous labor | 69(53.9) | 66(50.8) | 0.254b | 0.614 |
Caesarean section | 59(46.1) | 64(49.2) | Â | Â |