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. 2018 May 5;8(5):e019454. doi: 10.1136/bmjopen-2017-019454

Table 2.

Birthing and medical history of mother*

Total population At higher risk Higher than average Lower than average
Risk >2.5% Risk >1.2%–2.5% Risk ≤1.2%
203 510 38 292 79 627 85 591
Number % Number % Number % Number %
Birthing
 Age at delivery (years)†
   24 and less 12 728 6.3 3275 8.6 5651 7.1 3802 4.4
   25–34 88 370 43.4 18 227 47.6 35 681 44.8 34 462 40.3
   35–39 45 575 22.4 8170 21.3 17 679 22.2 19 726 23.0
   40 and over 12 529 6.2 2344 6.1 4528 5.7 5657 6.6
 First delivery 99 190 48.7 23 336 60.9 42 662 53.6 33 192 38.8
 C-section 48 282 23.7 11 370 29.7 19 480 24.5 17 432 20.4
 Baby’s birth condition
   Normal newborns 172 497 84.8 30 214 78.9 67 522 84.8 74 761 87.3
   Abnormal birth weight 20 128 9.9 4757 12.4 7756 9.7 7615 8.9
   Other abnormal birth condition 10 885 5.3 3321 8.7 4349 5.5 3215 3.8
Medical history
 Number of ordinary hospitalisation 1 year before delivery
   1 16 145 7.9 4578 12.0 6856 8.6 4711 5.5
   2+ 3920 1.9 1670 4.4 1500 1.9 750 0.9
 Inappropriate prescription during pregnancy
   Class D 10 594 5.2 2970 7.8 3886 4.9 3738 4.4
   Class X 4874 2.4 1086 2.8 1811 2.3 1977 2.3
 Antibiotic use during pregnancy 60 679 29.8 14 422 37.7 25 757 32.3 20 500 24.0
 3-year history before delivery
   Abortion 19 919 9.8 4970 13.0 8165 10.3 6784 7.9
   Asthma 35 590 17.5 9026 23.6 14 894 18.7 11 670 13.6
   Bacterial pneumonia 188 0.1 36 0.1 14 0.0 138 0.2
   Cardiovascular disease 18 756 9.2 5068 13.2 7742 9.7 5946 6.9
   Diabetes 2602 1.3 1003 2.6 1106 1.4 493 0.6
   Hypertension 140 0.1 51 0.1 39 0.0 50 0.1
   Infection 935 0.5 283 0.7 325 0.4 327 0.4
   Psychological condition 9215 4.5 2701 7.1 3709 4.7 2805 3.3

*Information about the delivery was considered only for children 1–5 years old.

†For 22% of children, we were not able to establish the mother–baby linkage.