Statistics on Women's Smoking Status at Time of Delivery: England, Quarter 1, 2022-23

In quarter 1 of 2022-2023 the number of maternities with an unknown smoking status was 3.0%. This is an increase from 1.4% in quarter 4 of 2021-2022.

The following 15 Sub-ICBs recorded 5% or more of their maternities with an unknown smoking status:

• NHS Frimley ICB - D4U1Y (40.2%)
• NHS Devon ICB - 15N (24.8%)
• NHS Bedfordshire, Luton and Milton Keynes ICB - M1J4Y (20.6%)
• NHS Buckinghamshire, Oxfordshire and Berkshire West ICB - 14Y (16.1%)
• NHS Hampshire and Isle of Wight ICB - 10R (12.3%)
• NHS Lancashire and South Cumbria ICB - 01E (11.1%)
• NHS Suffolk and North East Essex ICB - 07K (10.8%)
• NHS Lancashire and South Cumbria ICB - 00X (8.6%)
• NHS Hertfordshire and West Essex ICB - 07H (7.5%)
• NHS Mid and South Essex ICB - 99G (7.4%)
• NHS Coventry and Warwickshire ICB - B2M3M (5.5%)
• NHS South Yorkshire ICB - 02X (5.5%)
• NHS South West London ICB - 36L (5.3%)
• NHS Mid and South Essex ICB - 99F (5.0%)
• NHS Dorset ICB - 11J (5.0%)