Table 1.
Pregnancy‐specific demographics across test types [frequency followed by % of total who responded (in brackets)]
| Total | DSS | IPD | NIPT | P‐value | |
|---|---|---|---|---|---|
| Mean gestation ‐ weeks (SD) and range | 26.5 (9.2) 5–41 | 27 (9.1) 5–41 | 26.8 (9.2) 8–41 | 25.7 (9.3) 8–41 | 0.347 |
| First pregnancy | 170 (33.7) | 53 (31.5) | 67 (39.9) | 50 (29.6) | 0.105 |
| Had fertility treatment | 64 (12.7) | 25 (14.9) | 19 (11.4) | 20 (12) | 0.589 |
| Suffered pregnancy loss in the past | 166 (33.7) | 47 (28.8) | 54 (32.5) | 65 (39.9) | 0.100 |
| Been offered screening in this/previous pregnancy: | |||||
| Yes | 453 (86.6) | 150 (86.7) | 151 (86.3) | 152 (86.9) | 0.995 |
| No | 45 (8.6) | 15 (8.7) | 16 (9.1) | 14 (8) | |
| Not answered | 25 (4.8) | 8 (4.6) | 8 (4.6) | 9 (5.1) | |
| Undergone screening in this/previous pregnancy: | |||||
| Yes | 295 (56.4) | 106 (61.3) | 87 (49.7) | 102 (58.3) | 0.187 |
| No | 181 (34.6) | 55 (31.8) | 71 (46) | 55 (31.4) | |
| Not answered | 47 (9.0) | 12 (6.9) | 17 (9.7) | 18 (10.3) | |
| Undergone IPD (%) in this or previous pregnancy: | |||||
| Yes | 31 (5.9) | 12 (6.9) | 10 (5.7) | 9 (5.1) | 0.721 |
| No | 334 (63.9) | 115 (66.5) | 111 (63.4) | 108 (61.7) | |
| Not answered | 158 (30.2) | 46 (26.6) | 54 (30.9) | 58 (33.1) | |