TABLE 1.
Characteristics of women giving birth in each GLH area.
| GLH 1 (n = 56,349) | GLH 2 (n = 112,864) | GLH 3 (n = 54,248) | GLH 4 (n = 32,171) | GLH 5 (n = 86,582) | GLH 6 (n = 68,386) | GLH 7 (n = 64,489) | Total (N = 475,089) | p-value | |
|---|---|---|---|---|---|---|---|---|---|
| n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | n (%) | ||
| Maternal age, years | |||||||||
| <20 | 2,086 (3.7) | 2,406 (2.1) | 1,367 (2.5) | 1,062 (3.3) | 3,109 (3.6) | 3,397 (5.0) | 2,374 (3.7) | 15,801 (3.3) | <0.001 |
| 20-<25 | 8,311 (14.7) | 12,370 (11.0) | 5,702 (10.5) | 4,126 (12.8) | 12,363 (14.3) | 11,170 (16.3) | 9,301 (14.4) | 63,343 (13.3) | |
| 25-<30 | 16,323 (29.0) | 28,121 (24.9) | 12,785 (23.6) | 8,512 (26.5) | 24,639 (28.5) | 20,368 (29.8) | 18,502 (28.7) | 129,250 (27.2) | |
| 30-<35 | 18,278 (32.4) | 39,281 (34.8) | 19,198 (35.4) | 11,294 (35.1) | 28,332 (32.7) | 21,021 (30.7) | 21,099 (32.7) | 158,503 (33.4) | |
| ≥35 | 11,351 (20.1) | 30,686 (27.2) | 15,196 (28.0) | 7,177 (22.3) | 18,139 (21.0) | 12,430 (18.2) | 13,213 (20.5) | 108,192 (22.8) | |
| Maternal Ethnicity | |||||||||
| White | 43,551 (80.8) | 65,430 (59.3) | 37,264 (70.8) | 28,033 (89.8) | 58,126 (71.4) | 53,728 (79.7) | 46,945 (75.8) | 33,3077 (72.6) | <0.001 |
| Asian/Asian British | 5,745 (10.7) | 24,273 (22.0) | 5,139 (9.8) | 1,101 (3.5) | 13,382 (16.4) | 7,618 (11.3) | 8,599 (13.9) | 65,857 (14.4) | |
| Black/Black British | 2,058 (3.8) | 9,174 (8.3) | 5,512 (10.5) | 762 (2.4) | 4,815 (5.9) | 2,348 (3.5) | 2,594 (4.2) | 27,263 (5.9) | |
| Mixed | 1,191 (2.2) | 3,533 (3.2) | 1,916 (3.6) | 596 (1.9) | 2,205 (2.7) | 1,275 (1.9) | 1,233 (2.0) | 11,949 (2.6) | |
| Other | 1,377 (2.6) | 7,933 (7.2) | 2,774 (5.3) | 715 (2.3) | 2,842 (3.5) | 2,470 (3.7) | 2,528 (4.1) | 20,639 (4.5) | |
| Missing | 2,427 | 2,521 | 1,643 | 964 | 5,212 | 947 | 2,590 | 16,304 | |
| Index of Multiple Deprivation | |||||||||
| Quintile 1 (Most deprived) | 12,160 (22.0) | 20,520 (18.3) | 10,175 (18.8) | 4,945 (15.4) | 24,426 (28.9) | 25,588 (37.6) | 27,023 (42.5) | 124,837 (26.6) | <0.001 |
| Quintile 2 | 11,008 (19.9) | 31,682 (28.2) | 14,288 (26.4) | 7,191 (22.4) | 14,949 (17.7) | 13,942 (20.5) | 12,089 (19.0) | 105,149 (22.2) | |
| Quintile 3 | 11,203 (20.3) | 23,670 (21.1) | 12,069 (22.3) | 8,153 (25.4) | 15,027 (17.8) | 10,288 (15.1) | 9,072 (14.3) | 89,482 (19.1) | |
| Quintile 4 | 10,924 (19.8) | 18,833 (16.8) | 9,667 (17.9) | 6,777 (21.1) | 15,197 (18.0) | 10,226 (15.0) | 8,353 (13.1) | 79,977 (17.1) | |
| Quintile 5 (Least deprived) | 9,988 (18.1) | 17,666 (15.7) | 7,823 (14.5) | 5,014 (15.6) | 14,897 (17.6) | 7,974 (11.7) | 7,075 (11.1) | 70,437 (15.0) | |
| Missing | 1,066 | 493 | 226 | 91 | 2,086 | 368 | 877 | 5,207 | |
| Complex social factor indicator | |||||||||
| No | 49,913 (88.6) | 94,485 (85.0) | 47,293 (87.2) | 28,834 (90.1) | 71,121 (85.5) | 58,602 (86.8) | 53,470 (84.5) | 403,718 (86.3) | <0.001 |
| Yes | 6,393 (11.4) | 16,679 (15.0) | 6,943 (12.8) | 3,177 (9.9) | 12,091 (14.5) | 8,874 (13.2) | 9,801 (15.5) | 63,958 (13.7) | |
| Missing | 43 | 1,700 | 12 | 160 | 3,370 | 910 | 1,218 | 7,413 | |
Note: p-values from chi-square test.
Abbreviation: GLH: genomic laboratory hub.