Crude and adjusted relative risk of not having clear evidence of a maternal 6-week check in the first 12 weeks post partum, by population characteristics (n=34 337)
| Characteristic | Women who had a maternal 6-week check in the first 12 weeks post partum n (row %) | Women who had no clear evidence of a maternal 6-week check in the first 12 weeks post partum n (row %) | Unadjusted relative risk (95% CI)* | Fully adjusted relative risk (95% CI)* |
| Number of women | 21 460 (62) | 12 877 (38) | ||
| Maternal age | ||||
| <20 years | 440 (51) | 420 (49) | 1.38 (1.26 to 1.53)† | 1.32 (1.22 to 1.43)† |
| 20–24 years | 2403 (56) | 1910 (44) | 1.25 (1.17 to 1.35)† | 1.21 (1.14 to 1.28)† |
| 25–29 years | 5428 (60) | 3570 (40) | 1.12 (1.07 to 1.18)† | 1.10 (1.06 to 1.14)† |
| 30–34 years | 7303 (65) | 3983 (35) | Reference group | Reference group |
| 35–39 years | 4751 (67) | 2387 (33) | 0.95 (0.91 to 0.99)† | 0.96 (0.92 to 1.01) |
| ≥40 years | 1135 (65) | 607 (35) | 0.99 (0.92 to 1.06) | 1.00 (0.93 to 1.07) |
| Preterm birth, n (%) | 1345 (53) | 1183 (47) | 1.27 (1.16 to 1.39)† | 1.26 (1.15 to 1.37)† |
| Practice-level area deprivation (IMD) | ||||
| 1 (least deprived) | 4244 (73) | 1540 (27) | Reference group | Reference group |
| 2 | 3834 (62) | 2369 (38) | 1.43 (0.95 to 2.16) | 1.41 (0.94 to 2.11) |
| 3 | 4394 (60) | 2906 (40) | 1.50 (1.02 to 2.20)† | 1.45 (0.98 to 2.13) |
| 4 | 3659 (59) | 2586 (41) | 1.56 (1.07 to 2.26)† | 1.49 (1.03 to 2.16)† |
| 5 (most deprived) | 5329 (61) | 3476 (39) | 1.48 (1.01 to 2.18)† | 1.40 (0.95 to 2.07) |
*CIs and p values account for clustering by GP practice; variables included in the fully adjusted model were maternal age, preterm birth and practice-level IMD.
†P<0.05.
GP, general practitioner; IMD, Index of Multiple Deprivation.