Table 1.
Age of participants and referent population in each country.
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|
Age in years at end of pregnancy | ||||||
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n (%) | ||||||
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Mean (SD) | n | <20 | 20-24 | 25-29 | 30-34 | 35-39 | >40 | |
| Denmark a | |||||||||
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PROTECTf | 31.5 (4.6) | 639 | 1 (0.2) | 43 (6.7) | 214 (33.5) | 237 (37.1) | 118 (18.5) | 26 (4.1) |
|
|
National | 30.9 (5.1) | 55,225 | 750 (1.35) | 6192 (11.21) | 17,112 (30.98) | 19,319 (34.98) | 9769 (17.68) | 2083 (3.77) |
| The Netherlands b | |||||||||
|
|
PROTECTf | 31.3 (4.3) | 476 | 1 (0.2) | 29 (6.1) | 153 (32.1) | 206 (43.3) | 74 (15.5) | 13 (2.7) |
|
|
National 2012 | 30.9 (4.9) | 173,085 | 2257 (1.30) | 17,727 (10.24) | 53,181 (30.72) | 64,498 (37.26) | 29,562 (17.07) | 5860 (3.38) |
| Poland c | |||||||||
|
|
PROTECTf | 29.8 (4.2) | 241 | 1 (0.4) | 29 (12.0) | 109 (45.2) | 77 (32.0) | 22 (9.1) | 3 (1.2) |
|
|
National | 29.2 (NAa) | 370,932 | 14,522 (3.91) | 63,158 (17.02) | 131,373 (35.41) | 110,192 (29.70) | 43,554 (11.74) | 8133 (2.19) |
| United Kingdom d | |||||||||
|
|
PROTECTf | 31.7 (5.1) | 709 | 5 (0.7) | 67 (9.4) | 183 (25.8) | 266 (37.5) | 159 (22.4) | 29 (4.1) |
|
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England & Wales 2013 | 30.0 (NAe) | 698,512 | 29,136 (4.17) | 119,719 (17.13) | 196,693 (28.15) | 212,306 (30.39) | 111,500 (15.96) | 29,158 (4.17) |
aThe Birth Register at Statens Serum Institut; also see website [9].
bStichting Perinatale Registratie Nederland: Perinatale Zorg in Nederland 2012. Utrecht: Stichting Perinatale Registratie Nederland 2013
dUK Office for National Statistics, Age England & Wales 2013
eNA: not available
fPROTECT: Pharmacoepidemiological Research on Outcomes of Therapeutics by a European ConsorTium