Table 2. Adjusted odds ratio (OR) with 95% confidence interval (CI) for one lifetime pregnancy by lipid quintiles stratified by BMI (kg/m2), Cohort of Norway, 1994–2003, Estimates were obtained by logistic regression and adjusted for age at examination, year of first birth, oral contraceptive use, smoking, educational level and time since last meal.
| BMI < 25 (N = 18 938) | BMI ≥ 25 (N = 13 629) | |||||||
|---|---|---|---|---|---|---|---|---|
| Lipid quintiles in mmol/l |
1 child mothers (%) | ≥ 2 children mothers | total mothers |
OR (95%CI) | 1 child mothers (%) | ≥ 2 children mothers | total mothers | OR (95%CI) |
| LDL cholesterol | ||||||||
| ≤ 2.87 | 674 (12.8) | 4600 | 5274 | 1.0 reference | 206 (11.3) | 1619 | 1825 | 1.0 reference |
| 2.88–3.38 | 609 (13.6) | 3856 | 4465 | 1.02 (0.90–1.16) | 316 (13.5) | 2027 | 2343 | 1.18 (0.96–1.45) |
| 3.39–3.89 | 545 (13.9) | 3369 | 3914 | 1.08 (0.95–1.24) | 368 (12.6) | 2543 | 2911 | 1.10 (0.90–1.35) |
| 3.90–4.56 | 423 (13.6) | 2686 | 3109 | 1.00 (0.87–1.16) | 453 (13.9) | 2792 | 3245 | 1.32 (1.08–1.60) |
| ≥ 4.57 | 353 (16.2) | 1823 | 2176 | 1.23 (1.05–1.45) | 537 (16.2) | 2768 | 3305 | 1.46 (1.20–1.78) |
| Total cholesterol | ||||||||
| ≤ 4.60 | 608 (12.2) | 4359 | 4967 | 1.0 reference | 232 (10.9) | 1894 | 2126 | 1.0 reference |
| 4.61–5.14 | 588 (13.1) | 3895 | 4483 | 1.08 (0.95–1.23) | 317 (12.8) | 2149 | 2466 | 1.30 (1.06–1.56) |
| 5.15–5.69 | 571 (14.2) | 3453 | 4024 | 1.19 (1.04–1.36) | 412 (14.2) | 2492 | 2904 | 1.41 (1.16–1.71) |
| 5.70–6.39 | 471 (14.7) | 2722 | 3193 | 1.23 (1.06–1.42) | 424 (13.8) | 2637 | 3061 | 1.45 (1.20–1.76) |
| ≥ 6.40 | 366 (16.1) | 1905 | 2271 | 1.37 (1.17–1.61) | 495 (16.1) | 2577 | 3072 | 1.62 (1.33–1.97) |
| TG (Triglyceride) | ||||||||
| ≤ 0.74 | 760 (14.4) | 4507 | 5267 | 1.0 reference | 195 (12.1) | 1409 | 1604 | 1.0 reference |
| 0.75–0.98 | 623 (13.2) | 4074 | 4697 | 0.87 (0.77–0.99) | 282 (13.2) | 1849 | 2131 | 1.12 (0.89–1.39) |
| 0.99–1.27 | 533 (13.6) | 3380 | 3913 | 0.88 (0.77–1.00) | 354 (13.6) | 2245 | 2599 | 1.10 (0.89–1.37) |
| 1.28–1.76 | 404 (13.0) | 2701 | 3105 | 0.83 (0.72–0.96) | 451 (13.6) | 2859 | 3310 | 1.07 (0.88–1.32) |
| ≥ 1.77 | 284 (14.5) | 1672 | 1956 | 0.95 (0.81–1.12) | 598 (15.0) | 3387 | 3985 | 1.25 (1.03–1.53) |
| HDL cholesterol | ||||||||
| ≤ 1.19 | 317 (12.0) | 2315 | 2632 | 0.87 (0.77–0.99) | 577 (14.5) | 3397 | 3974 | 0.87 (0.71–1.07) |
| 1.20–1.38 | 465 (13.6) | 2962 | 3427 | 0.75 (0.65–0.86) | 395 (12.7) | 2713 | 3108 | 0.85 (0.70–1.03) |
| 1.39–1.55 | 478 (12.5) | 3344 | 3822 | 0.76 (0.67–0.88) | 348 (13.0) | 2314 | 2662 | 0.77 (0.64–0.93) |
| 1.56–1.79 | 594 (14.2) | 3589 | 4183 | 0.66 (0.56–0.77) | 294 (13.9) | 1810 | 2104 | 0.85 (0.71–1.01) |
| ≥ 1.80 | 750 (15.4) | 4124 | 4874 | 1.0 reference | 266 (14.9) | 1515 | 1781 | 1.0 reference |
| TG/HDL-c ratio | ||||||||
| ≤ 0.45 | 806 (14.9) | 4609 | 5415 | 1.0 reference | 196 (12.5) | 1365 | 1561 | 1.0 reference |
| 0.46–0.64 | 613 (13.6) | 3875 | 4488 | 0.84 (0.75–0.96) | 282 (14.2) | 1702 | 1984 | 1.03 (0.83–1.29) |
| 0.65–0.90 | 524 (13.1) | 3463 | 3987 | 0.83 (0.73–0.95) | 327 (12.7) | 2245 | 2572 | 0.94 (0.76–1.16) |
| 0.91–1.37 | 420 (13.3) | 2735 | 3155 | 0.78 (0.68–0.90) | 468 (13.9) | 2881 | 3349 | 0.99 (0.81–1.21) |
| ≥ 1.38 | 241 (12.7) | 1652 | 1893 | 0.77 (0.65–0.91) | 607 (14.6) | 3556 | 4163 | 1.07 (0.89–1.29) |