Distribution of the prevalence of breastfeeding and socio-demographic variables across PCTs
| All PCTs (n = 151) | Non-London PCTs (n = 120) | London PCTS (n = 31) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Mean (SD) | Median (IQR) | Minimum, maximum | Mean (SD) | Median (IQR) | minimum, maximum | Mean (SD) | Median (IQR) | Minimum, maximum | |
| Breastfeeding | |||||||||
| Breastfeeding initiation (%) | 72.3 (11.2) | 72.8 (65.2–79.9) | 39.0, 92.9 | 68.7 (9.1) | 69.6 (62.5–75.7) | 39.0, 85.5 | 86.3 (6.6) | 88.9 (83.1–91.3) | 67.7, 92.9 |
| Any breastfeeding at 6–8 weeks (%)* | 45.3 (15.0) | 42.3 (34.5–54.0) | 19.2, 83.1 | 39.7 (10.0) | 39.9 (33.7–45.5) | 19.2, 70.5 | 67.5 (10.6) | 71.3 (63.0–73.7) | 38.1, 83.1 |
| Exclusive breastfeeding at 6–8 weeks (%)* | 31.6 (9.1) | 31.4 (24.9–37.1) | 14.2, 58.2 | 29.2 (7.4) | 29.3 (24.2–33.2) | 14.3, 58.2 | 41.2 (8.8) | 42.5 (35.0–48.6) | 20.5, 57.5 |
| Sociodemographic | |||||||||
| IMD (raw score)† | 23.6 (8.4) | 23.3 (16.6–29.5) | 8.8, 45.3 | 23.1 (8.3) | 22.8 (16.4–28.5) | 8.8, 45.3 | 25.6 (8.8) | 25.0 (16.7–31.9) | 10.1, 41.8 |
| Mothers aged 35+ (%) | 19.3 (5.7) | 18.4 (15.1–22.0) | 9.4, 41.8 | 17.8 (4.4) | 17.6 (14.5–21.2) | 9.4, 32.3 | 25.2 (6.4) | 24.5 (20.1–30.4) | 15.4, 41.8 |
| Mothers aged <20 (%) | 5.9 (2.3) | 5.8 (4.1–7.4) | 1.3, 11.8 | 6.6 (1.9) | 6.3 (5.3, 7.9) | 2.8, 11.8 | 3.1 (1.1) | 2.8 (2.2–3.8) | 1.3, 5.6 |
| Population BME (%) | 18.7 (14.3) | 13.0 (7.8–25.9) | 4.3, 67.0 | 13.1 (8.7) | 10.9 (7.3–16.9) | 4.3, 67.0 | 40.4 (10.9) | 42.9 (33.9–47.5) | 16.4, 61.9 |
| Mothers smoking at delivery (%)‡ | 14.7 (6.1) | 15.0 (10.7–18.8) | 3.0, 33.2 | 16.7 (4.8) | 16.5 (13.7,-19.9) | 6.1, 33.2 | 6.6 (2.9) | 5.9 (4.4–7.5) | 3.0, 13.6 |
*Restricted to 141 PCTs with data on breastfeeding at 6–8 weeks.
†A high score is indicative of greater deprivation.
‡Restricted to 146 PCTs with data on smoking at delivery.
Information on maternal smoking at delivery was unavailable for a number of PCTs, leaving 144 and 137 PCTs included in the complete case analysis for breastfeeding initiation and breastfeeding at 6–8 weeks (115 non-London PCTs and 29 London PCTs; 110 non-London PCTs and 27 London PCTs).
BME, Black and Minority Ethnic; IMD, Index of Multiple Deprivation; PCT, primary care trust.