An asthma medication prescription during | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of eligible deliveries in entire cohort | Mean maternal age at pregnancy start for entire cohort | One year before pregnancy | Any of the pregnancy trimesters | One year following pregnancy | ||||||||
Country/region | N | Years | SD* | N | Per cent | (95% CI) | N | Per cent | (95% CI) | N | Per cent | (95% CI) |
Denmark† | 320 846 | 30.0 | (4.9) | 16 722 | 5.2 | (5.1 to 5.3) | 13 988 | 4.4 | (4.3 to 4.4) | 14 067 | 4.4 | (4.3 to 4.5) |
Italy—Tuscany | 157 916 | 31.8 | (4.9) | 13 240 | 8.4 | (8.3 to 8.5) | 8400 | 5.3 | (5.2 to 5.4) | 12 462 | 7.9 | (7.8 to 8.0) |
Italy—Emilia Romagna | 129 220 | 32.3 | (4.9) | 16 317 | 12.7 | (12.5 to 12.9) | 10 804 | 8.4 | (8.3 to 8.6) | 15 030 | 11.7 | (11.5 to 11.9) |
Norway‡ | 301 820 | 29.7 | (5.1) | 14 540 | 4.8 | (4.7 to 4.9) | 11 205 | 3.7 | (3.7 to 3.8) | 10 627 | 3.5 | (3.5 to 3.6) |
The Netherlands | 14 607 | 30.2 | (4.8) | 937 | 6.4 | (6.0 to 6.8) | 738 | 5.1 | (4.7 to 5.4) | 848 | 5.8 | (5.4 to 6.2) |
UK* | 182 920 | 30.2 | (6.1) | 17 646 | 9.7 | (9.5 to 9.8) | 17 264 | 9.4 | (9.3 to 9.6) | 16 913 | 9.3 | (9.1 to 9.4) |
Wales | 58 106 | 27.7 | (6.1) | 5801 | 10.0 | (9.7 to 10.2) | 5450 | 9.4 | (9.1 to 9.6) | 5335 | 9.2 | (9.0 to 9.4) |
Total across countries | 1 165 435 | 85 203 | 67 849 | 75 282 |
*Excluding Wales to avoid duplication of pregnancies in the Welsh Secure Anonymised Information Linkage (SAIL) Databank.
†2004–2009.
‡2005–2010.
SD, standard deviation.