Characteristics | Times of ANC visits(−x ± S) | Times of ANC visits | P-value | χ2 | |
---|---|---|---|---|---|
< 5 | ≥5 | ||||
Ethnic groups | 0.975 | 0.001 | |||
 Minority | 7.69 ± 3.59 | 9 (18.37) | 40 (81.63) |  |  |
 Hans | 7.44 ± 3.56 | 270 (18.54) | 1186 (81.46) |  |  |
Age at first delivery (years) | <0.001 | 12.304 | |||
  ≤ 24 | 6.86 ± 3.26 | 152 (22.42) | 526 (77.58) |  |  |
  > 24 | 7.94 ± 3.71 | 127 (15.36) | 700 (84.64) |  |  |
Education | < 0.001 | 27.544 | |||
 Primary school and below | 6.04 ± 3.26 | 18 (36.00) | 32 (64.00) |  |  |
 Junior school | 6.93 ± 3.31 | 166 (21.76) | 597 (78.24) |  |  |
 High school | 7.59 ± 3.33 | 62 (15.31) | 343 (84.69) |  |  |
 College and above | 8.87 ± 4.08 | 33 (11.50) | 254 (88.50) |  |  |
Hukoua | 0.043 | 4.087 | |||
 Rural | 7.21 ± 3.43 | 245 (19.43) | 1016 (80.57) |  |  |
 Urban | 8.72 ± 3.90 | 34 (13.93) | 210 (86.07) |  |  |
Household monthly income b | < 0.001 | 18.276 | |||
 Q1 | 6.79 ± 3.25 | 76 (25.00) | 228 (75.00) |  |  |
 Q2 | 7.13 ± 3.49 | 92 (18.85) | 396 (81.15) |  |  |
 Q3 | 7.24 ± 3.42 | 67 (19.09) | 284 (80.91) |  |  |
 Q4 | 8.65 ± 3.75 | 44 (12.15) | 318 (87.85) |  |  |
Kinds of insurances | Â | Â | Â | 0.049 | 6.031 |
 0 | 7.17 ± 3.27 | 33 (20.37) | 129 (79.63) |  |  |
 1 | 7.05 ± 3.32 | 150 (20.63) | 577 (79.37) |  |  |
  ≥ 2 | 7.99 ± 3.82 | 96 (15.58) | 520 (84.42) |  |  |
Maternity insurance c | < 0.001 | 17.394 | |||
 No | 7.15 ± 3.49 | 230 (21.12) | 859 (78.88) |  |  |
 Yes | 8.25 ± 3.60 | 49 (11.78) | 367 (88.22) |  |  |
Maternal health education d | 0.071 | 3.251 | |||
 No | 7.21 ± 3.80 | 112 (20.97) | 422 (79.03) |  |  |
 Yes | 7.58 ± 3.41 | 167 (17.20) | 804 (82.80) |  |  |
Maternal health records e | 0.000 | 30.812 | |||
 No | 5.80 ± 4.59 | 46 (37.10) | 78 (62.90) |  |  |
 Yes | 7.60 ± 3.41 | 233 (16.87) | 1148 (83.13) |  |  |
Migration range | 0.001 | 15.070 | |||
 Across province | 7.48 ± 4.07 | 168 (22.11) | 592 (77.89) |  |  |
 Across prefectural city | 7.40 ± 2.94 | 104 (15.62) | 562 (84.38) |  |  |
 Across county | 7.58 ± 2.97 | 7 (8.86) | 72 (91.14) |  |  |
Migration reasons | 0.564 | 1.145 | |||
 Working or doing business | 7.53 ± 3.66 | 224 (19.05) | 952 (80.95) |  |  |
 Accompanying | 7.10 ± 3.06 | 52 (16.99) | 254 (83.01) |  |  |
 Others | 8.13 ± 4.15 | 3 (13.04) | 20 (86.96) |  |  |
Migration experience before pregnancy | 0.015 | 5.963 | |||
 No | 7.25 ± 3.73 | 111 (21.98) | 394 (78.02) |  |  |
 Yes | 7.55 ± 3.46 | 168 (16.80) | 832 (83.20) |  |  |