Table 2.
Classification and comparison of three latent phenotypes of pregnant women with different demographic characteristics.
| Demographics | Total | High | Moderate | Low | χ2 | P-value |
|---|---|---|---|---|---|---|
| (n = 973) | (n = 67) | (n = 200) | (n = 706) | |||
| Age, M (SD) | 28.24 (4.88) | 28.1 (4.09) | 28.18 (4.44) | 28.3 (5.06) | 0.52 | 0.97 |
| ≤ 25 | 285 (29.29%) | 18 (26.87%) | 59 (29.50%) | 208 (29.46%) | ||
| 26–34 | 572 (58.79%) | 42 (62.69%) | 116 (58.00%) | 414 (58.64%) | ||
| ≥35 | 116 (11.92%) | 7 (10.44%) | 25 (12.50%) | 84 (11.90%) | ||
| Education | ||||||
| High school or less | 336 (34.53%) | 25 (37.31%) | 72 (36.00%) | 239 (33.85%) | 1.57 | 0.95 |
| Universities and colleges | 266 (27.34%) | 17 (25.37%) | 53 (26.50%) | 196 (27.76%) | ||
| Undergraduate | 341 (35.05%) | 24 (35.82%) | 70 (35.00%) | 247 (35.00%) | ||
| Postgraduate | 30 (3.08%) | 1 (1.50%) | 5 (2.50%) | 24 (3.39%) | ||
| Only child | ||||||
| Yes | 258 (26.52%) | 15 (22.39%) | 50 (25.00%) | 193 (27.34%) | 1.07 | 0.59 |
| No | 715 (73.48%) | 52 (77.61%) | 150 (75.00%) | 513 (72.66%) | ||
| Residence | ||||||
| Urban | 689 (70.82%) | 48 (71.64%) | 130 (65.00%) | 511 (72.38%) | 4.13 | 0.13 |
| Rural | 284 (29.18%) | 19 (28.36%) | 70 (35.00%) | 195 (27.62%) | ||
| Monthly household income (RMB) | ||||||
| < 3,000 | 80 (8.22%) | 3 (4.48%) | 22 (11.00%) | 55 (7.79%) | 8.52 | 0.20 |
| 3,000–5,000 | 282 (28.98%) | 27 (40.30%) | 52 (26.00%) | 203 (28.75%) | ||
| 5,001–7,000 | 243 (24.97%) | 15 (22.39%) | 45 (22.50%) | 183 (25.92%) | ||
| >7,000 | 368 (37.83%) | 22 (32.83%) | 81 (40.50%) | 265 (37.54%) | ||
| Number of marriages | ||||||
| One marriage | 918 (94.35%) | 65 (97.01%) | 191 (95.50%) | 662 (93.77%) | 1.84 | 0.40 |
| Two marriages and above | 55 (5.65%) | 2 (2.99%) | 9 (4.50%) | 44 (6.23%) | ||
| Perinatal period | ||||||
| Second trimester | 397 (40.80%) | 20 (29.85%) | 73 (36.50%) | 304 (43.10%) | 6.35 | 0.04 |
| Third trimester | 576 (59.20%) | 47 (70.15%) | 127 (63.50%) | 402 (56.90%) | ||
| Marriage satisfaction | ||||||
| Satisfied | 790 (81.19%) | 45 (67.16%) | 152 (76.00%) | 593 (84.00%) | 15.8 | < 0.001 |
| Dissatisfied | 183 (18.81%) | 22 (32.84%) | 48 (24.00%) | 113 (16.00%) | ||
| Conjugal relation | ||||||
| Good | 902 (92.70%) | 59 (88.10%) | 180 (90.00%) | 663 (93.91%) | 5.81 | 0.06 |
| Bad | 71 (7.30%) | 8 (11.90%) | 20 (10.00%) | 43 (6.09%) | ||
| Husband and wife status | ||||||
| Equality | 863 (88.69%) | 58 (86.57%) | 172 (86.00%) | 633 (89.66%) | 2.41 | 0.30 |
| Inequality | 110 (11.31%) | 9 (13.43%) | 28 (14.00%) | 73 (10.34%) | ||
| In-law relationship | ||||||
| Good | 816 (83.86%) | 43 (64.18%) | 157 (78.50%) | 616 (87.25%) | 29.43 | < 0.001 |
| Bad | 157 (16.14%) | 24 (35.82%) | 43 (21.50%) | 90 (12.75%) | ||
| Friend relationship | ||||||
| Good | 917 (94.24%) | 56 (83.58%) | 181 (90.50%) | 680 (96.32%) | 24.81 | < 0.001 |
| Bad | 56 (5.76%) | 11 (16.42%) | 19 (9.50%) | 26 (3.68%) | ||
| Basic diseases | ||||||
| Yes | 315 (32.37%) | 29 (43.28%) | 75 (37.50%) | 211 (29.90%) | 8.04 | 0.02 |
| No | 658 (67.63%) | 38 (56.72%) | 125 (62.50%) | 495 (70.10%) | ||
| Take birth control pills | ||||||
| Yes | 343 (35.25%) | 28 (41.79%) | 86 (43.00%) | 229 (32.44%) | 8.97 | 0.01 |
| No | 630 (64.75%) | 39 (58.21%) | 114 (57.00%) | 477 (67.56%) | ||
Bold values indicate P < 0.05.