TABLE 1

Maternal Characteristics of All Live-Born Children With and Without MCAs

CharacteristicAll Children
(N = 192 498)Children Without MCAs
(n = 186 963)Children With MCAs
(n = 5535)
n%n%n%
Age at conception, y
 15–19 35151.833971.81182.1
 20–24 17 9699.317 3789.359110.7
 25–29 51 03826.549 62226.5141625.6
 30–34 70 00036.468 05536.4194535.1
 35–39 40 98821.339 85021.3113820.6
 40–44 85674.582664.43015.4
 45–49 4210.23950.2260.5
Townsend deprivation index score
 Quintile 1 (least deprived)49 61025.848 19225.8141825.6
 Quintile 238 43920.037 34320.0109619.8
 Quintile 337 41219.436 35319.4105919.1
 Quintile 431 66516.430 70016.496517.4
 Quintile 5 (most deprived)21 22711.020 60011.062711.3
 Missing14 1457.313 7757.43706.7
Preconception BMI
 Normal (18.5–24.9)62 79532.661 01132.6178432.2
 Underweight (<18.5)38362.037192.01172.1
 Overweight (25–29.9)30 88816.029 99116.089716.2
 Obese (≥30)21 40611.120 80311.160310.9
 Missing73 57338.271 43938.2213438.6
Asthma16 2138.415 6998.45149.3
Hypertension58383.056193.02194.0
Diabetes60883.258513.12374.3
Mental illness14 5597.614 0887.54718.5
Epilepsy8120.47820.4300.5