Table 1.
Characteristics | ||||||
---|---|---|---|---|---|---|
Aspirin |
Nonaspirin NSAID |
Acetaminophen |
||||
Infrequent/nonuse | Frequent use* | Infrequent/nonuse | Frequent use* | Infrequent/nonuse | Frequent use* | |
No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | No. (%) | |
Age, mean (SD), y | 54.7 (11.4) | 59.4 (10.1) | 59.1 (9.5) | 59.6 (8.5) | 57.7 (10.6) | 60.9 (10.0) |
Age, y | ||||||
<50 | 171 049 (31.0) | 28 462 (17.7) | 68 208 (15.8) | 10 496 (12.9) | 69 762 (22.9) | 3973 (14.4) |
50–59 | 182 326 (33.0) | 48 432 (30.1) | 144 873 (33.6) | 29 425 (36.1) | 101 553 (33.4) | 8351 (30.3) |
60+ | 198 689 (36.0) | 84 044 (52.2) | 218 295 (50.6) | 41 609 (51.0) | 132 697 (43.6) | 15 244 (55.3) |
BMI, kg/m2 | ||||||
<20 | 38 712 (7.0) | 9460 (5.9) | 28 981 (6.7) | 3239 (4.0) | 20 937 (6.9) | 1513 (5.5) |
20–24.9 | 246 476 (44.6) | 63 791 (39.6) | 183 064 (42.4) | 25 614 (31.4) | 127 806 (42) | 9216 (33.4) |
25–29.9 | 157 968 (28.6) | 49 716 (30.9) | 130 232 (30.2) | 25 969 (31.9) | 89 960 (29.6) | 8560 (31.1) |
30–34.9 | 61 441 (11.1) | 21 816 (13.6) | 51 919 (12.0) | 14 072 (17.3) | 36 797 (12.1) | 4342 (15.8) |
35+ | 33 201 (6.0) | 12 620 (7.8) | 26 604 (6.2) | 10 813 (13.3) | 21 015 (6.9) | 3068 (11.1) |
Missing | 14 266 (2.6) | 3535 (2.2) | 10 576 (2.5) | 1823 (2.2) | 7497 (2.5) | 869 (3.2) |
Age at menarche, y | ||||||
≤11 | 129 521 (23.5) | 39 029 (24.3) | 104 278 (24.2) | 22 428 (27.5) | 58 358 (19.2) | 5549 (20.1) |
12 | 132 550 (24.0) | 43 314 (26.9) | 107 177 (24.8) | 22 151 (27.2) | 82 000 (27.0) | 8085 (29.3) |
13 | 155 896 (28.2) | 42 510 (26.4) | 122 489 (28.4) | 19 967 (24.5) | 87 684 (28.8) | 6628 (24.0) |
14 | 71 928 (13.0) | 21 378 (13.3) | 55 615 (12.9) | 10 314 (12.7) | 44 990 (14.8) | 4640 (16.8) |
≥15 | 48 479 (8.8) | 13 304 (8.3) | 38 367 (8.9) | 6361 (7.8) | 27 904 (9.2) | 2428 (8.8) |
Missing | 13 690 (2.5) | 1403 (0.9) | 3450 (0.8) | 309 (0.4) | 3076 (1.0) | 238 (0.9) |
Duration, oral contraceptive use, y | ||||||
Never | 210 399 (38.1) | 79 036 (49.1) | 193 635 (44.9) | 32 992 (40.5) | 112 760 (37.1) | 11 756 (42.6) |
>0–1 | 43 208 (7.8) | 14 589 (9.1) | 32 672 (7.6) | 7606 (9.3) | 27 743 (9.1) | 2557 (9.3) |
>1–5 | 97 165 (17.6) | 24 065 (15.0) | 67 121 (15.6) | 13 458 (16.5) | 47 757 (15.7) | 3612 (13.1) |
>5–10 | 78 116 (14.1) | 16 254 (10.1) | 48 201 (11.2) | 9520 (11.7) | 36 471 (12.0) | 2323 (8.4) |
>10 | 104 143 (18.9) | 24 316 (15.1) | 76 349 (17.7) | 16 530 (20.3) | 65 839 (21.7) | 6257 (22.7) |
Missing | 19 033 (3.4) | 2678 (1.7) | 13 398 (3.1) | 1424 (1.7) | 13 442 (4.4) | 1063 (3.9) |
No. of pregnancies | ||||||
0 | 85 920 (15.6) | 16 579 (10.3) | 56 916 (13.2) | 9977 (12.2) | 42 630 (14.0) | 2899 (10.5) |
1 | 60 572 (11.0) | 14 426 (9.0) | 45 993 (10.7) | 8030 (9.8) | 35 178 (11.6) | 2988 (10.8) |
2 | 177 064 (32.1) | 44 857 (27.9) | 128 389 (29.8) | 23 169 (28.4) | 97 780 (32.2) | 7997 (29.0) |
3 | 131 053 (23.7) | 42 162 (26.2) | 110 188 (25.5) | 21 291 (26.1) | 67 767 (22.3) | 6372 (23.1) |
4+ | 93 130 (16.9) | 41 287 (25.7) | 85 208 (19.8) | 17 992 (22.1) | 55 969 (18.4) | 6706 (24.3) |
Missing | 4325 (0.8) | 1627 (1.0) | 4682 (1.1) | 1071 (1.3) | 4688 (1.5) | 606 (2.2) |
Menopausal status | ||||||
Premenopausal | 188 738 (34.2) | 31 168 (19.4) | 83 184 (19.3) | 12 792 (15.7) | 82 248 (27.1) | 3986 (14.5) |
Postmenopausal | 348 494 (63.1) | 125 619 (78.1) | 342 938 (79.5) | 67 335 (82.6) | 216 731 (71.3) | 22 957 (83.3) |
Missing | 14 832 (2.7) | 4151 (2.6) | 5254 (1.2) | 5254 (1.7) | 5033 (1.7) | 625 (2.3) |
Age at menopause among postmenopausal women, y | ||||||
≤45 | 45 905 (12.6) | 15 523 (12.0) | 45 476 (13.1) | 8341 (12.1) | 33 314 (15.0) | 3162 (13.4) |
46–50 | 89 057 (24.5) | 32 661 (25.2) | 86 398 (24.8) | 15 875 (23.1) | 60 363 (27.2) | 6024 (25.5) |
51–55 | 123 290 (33.9) | 43 577 (33.6) | 125 242 (36.0) | 22 357 (32.5) | 77 772 (35.1) | 7313 (31.0) |
>55 | 24 452 (6.7) | 9294 9294 (7.2) | 25 889 (7.4) | 5503 (8.0) | 14 587 (6.6) | 1600 (6.8) |
Missing | 80 622 (22.2) | 28 715 (22.1) | 65 187 (18.7) | 16 662 (24.2) | 35 728 (16.1) | 5483 (23.3) |
Duration, menopausal hormone use, y | ||||||
Never | 273 (49.6) | 73 279 (45.5) | 165 228 (38.3) | 26 744 (32.8) | 112 911 (37.1) | 9282 (33.7) |
>0–5 | 78 (14.3) | 29 980 (18.6) | 73 431 (17.0) | 16 284 (20.0) | 54 914 (18.1) | 6446 (23.4) |
>5–10 | 43 (7.9) | 16 040 (10.0) | 41 755 (9.7) | 9652 (11.8) | 30 399 (10.0) | 3512 (12.7) |
>10 | 42 (7.7) | 20 700 (12.9) | 44 658 (10.4) | 13 673 (16.8) | 28 174 (9.3) | 4487 (16.3) |
Missing | 113 (20.5) | 20 939 (13.0) | 106 304 (24.6) | 15 177 (18.6) | 77 614 (25.5) | 3841 (13.9) |
History of chronic diseases at baseline included: | ||||||
Any cardiovascular disease | ||||||
No | 19 146 (3.5) | 11 630 (7.2) | 22 121 (5.1) | 8655 (10.6) | 26 078 (8.6) | 4698 (17.0) |
Yes | 1763 (0.3) | 1545 (1.0) | 2500 (0.6) | 808 (1.0) | 2859 (0.9) | 449 (1.6) |
Missing | 531 155 (96.2) | 147 763 (91.8) | 406 755 (94.3) | 72 067 (88.4) | 275 075 (90.5) | 22 421 (81.3) |
Diabetes | ||||||
No | 440 316 (85.2) | 113 913 (82.0) | 308 678 (79.5) | 55 152 (81.8) | 200 184 (72.8) | 14 468 (64.5) |
Yes | 15 142 (2.9) | 9472 (6.8) | 16 115 (4.2) | 4131 (6.1) | 9268 (3.4) | 1500 (6.7) |
Missing | 61 381 (11.9) | 15 541 (11.2) | 63 500 (16.4) | 8161 (12.1) | 65 623 (23.9) | 6453 (28.8) |
Autoimmune disease | ||||||
No | 86 690 (18.2) | 35 539 (25.5) | 104 565 (28.7) | 20 401 (31.8) | 115 614 (49.5) | 9414 (49.4) |
Yes | 6192 (1.3) | 4179 (3.0) | 7292 (2.0) | 3159 (4.9) | 9630 (4.1) | 1855 (9.7) |
Missing | 383 645 (80.5) | 99 626 (71.5) | 252 748 (69.3) | 40 667 (63.3) | 108 156 (46.3) | 7787 (40.9) |
Frequent: use at least ∼4–5 days/wk for 6 months or longer. BMI = body mass index; NSAID = nonsteroidal anti-inflammatory drug.