Table 1 Characteristics of study population, and subset of women who became pregnant during follow up
| 听 | All women of reproductive agea | Women who became pregnantb |
|---|---|---|
Number (%) | Number (%) | |
狈鈥�=鈥�193,578 | 狈鈥�=鈥�14,326 | |
Sociodemographic characteristics | ||
鈥�Age, mean (SD) | 34.4 (8.8) | 30.5 (5.8) |
鈥冣赌�<鈥�20 yrs | 9307 (4.8) | 324 (2.3) |
鈥冣赌�20鈥�24 yrs | 23,910 (12.4) | 2100 (14.7) |
鈥冣赌�25鈥�29 yrs | 28,988 (15.0) | 3733 (26.1) |
鈥冣赌�30鈥�34 yrs | 31,435 (16.2) | 4482 (31.3) |
鈥冣赌�35鈥�39 yrs | 33,722 (17.4) | 2808 (19.6) |
鈥冣赌�40鈥�44 yrs | 35,067 (18.1) | 775 (5.4) |
鈥冣赌� 鈮モ�夆��45 yrs | 31,149 (16.1) | 104 (0.7) |
鈥�Ethnic group | ||
鈥冣赌僕hite British | 91,629 (68.8) | 7235 (69.3) |
鈥冣赌僕hite other | 18,968 (14.3) | 1372 (13.1) |
鈥冣赌僊颈虫别诲 | 2227 (1.7) | 187 (1.8) |
鈥冣赌傾sian or Asian british | 10,062 (7.6) | 877 (8.4) |
鈥冣赌傿lack or Black british | 6383 (4.8) | 514 (4.9) |
鈥冣赌僀hinese or other | 3847 (2.9) | 255 (2.4) |
鈥冣赌�Missing | 60,462 (31.2) | 3886 (27.1) |
鈥�Practice IMD quintiles | ||
鈥冣赌�1 (least deprived) | 33,966 (17.6) | 2367 (16.5) |
鈥冣赌�2 | 36,158 (18.7) | 2418 (16.9) |
鈥冣赌�3 | 37,700 (19.5) | 2776 (19.4) |
鈥冣赌�4 | 30,445 (15.7) | 2515 (17.6) |
鈥冣赌�5 | 55,309 (28.6) | 4250 (29.7) |
Health status and risk behaviours | ||
鈥�BMI (kg/m2), mean (SD) | 26.4 (6.6) | 26.0 (6.2) |
鈥冣赌�<鈥�18.5 | 7,087 (4.1) | 555 (4.3) |
鈥冣赌�18.5鈥�24.9 | 80,015 (46.6) | 6329 (48.9) |
鈥冣赌�25鈥�29.9 | 44,171 (25.7) | 3285 (25.4) |
鈥冣赌冣墺鈥�30 | 40,436 (23.6) | 2776 (21.4) |
鈥冣赌�Missing | 21,869 (11.3) | 1381 (9.6) |
鈥侨尘辞办颈苍驳 | ||
鈥冣赌僋ever smokers | 104,803 (55.8) | 7446 (52.8) |
鈥冣赌僃ormer smokers | 47,762 (25.4) | 3608 (25.6) |
鈥冣赌僀urrent smokers | 35,410 (18.8) | 3062 (21.7) |
鈥冣赌�Missing | 5603 (2.9) | 210 (1.5) |
Current health conditions | ||
鈥冣赌僁iabetes mellitus | 3088 (1.6) | 130 (0.9) |
鈥冣赌僅ypertension | 5509 (2.9) | 132 (0.9) |
鈥冣赌傾sthma (ever diagnosed) | 33,089 (17.1) | 2570 (17.9) |
鈥冣赌� 鈥傾ctively managed asthma (ever diagnosed鈥�+鈥塼reated in the last year) | 13,883 (7.2) | 908 (6.3) |
鈥冣赌僂pilepsy (ever diagnosed) | 2850 (1.5) | 195 (1.4) |
鈥冣赌� 鈥傾ctively managed epilepsy (ever diagnosed鈥�+鈥塼reated in the last year) | 1422 (0.7) | 87 (0.6) |
鈥冣赌僀ardiovascular disease (CVD) | 667 (0.3) | 18 (0.1) |
鈥冣赌僀ommon mental disorders (depression and/or anxiety, ever diagnosed) | 65,647 (33.9) | 4629 (32.3) |
鈥冣赌� 鈥僀ommon mental disorders (depression and/or anxiety, recent) | 29,251 (15.1) | 2097 (14.6) |
鈥冣赌働olycystic ovary syndrome (PCOS) | 9224 (4.8) | 837 (5.8) |