Table 1 Descriptive characteristics by birth cohort, LIBCSP, 1996-1997
Birth cohortsa | |||||||
|---|---|---|---|---|---|---|---|
<1925 | 1925-1945 | 1946-1972 | |||||
N = 465 | N = 1,587 | N = 1,008 | |||||
Cases | Controls | Cases | Controls | Cases | Controls | ||
N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | ||
Age at reference | <35 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 39 (8.4) | 41 (7.5) |
35-44 | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 181 (39.1) | 245 (45.0) | |
45-54 | 0 (0.0) | 0 (0.0) | 154 (19.7) | 164 (20.3) | 243 (52.5) | 259 (47.5) | |
55-64 | 0 (0.0) | 0 (0.0) | 372 (47.7) | 403 (49.9) | 0 (0.0) | 0 (0.0) | |
65-74 | 111 (41.9) | 70 (35.0) | 254 (32.6) | 240 (29.7) | 0 (0.0) | 0 (0.0) | |
75-84 | 134 (50.6) | 112 (56.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
85+ | 20 (7.5) | 18 (9.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
Household Income | <20,000 | 95 (36.0) | 63 (31.7) | 74 (9.5) | 77 (9.6) | 19 (4.1) | 28 (5.1) |
20,000-34,999 | 112 (42.4) | 82 (41.2) | 195 (25.1) | 193 (23.9) | 36 (7.8) | 62 (11.4) | |
35,000-49,999 | 28 (10.6) | 23 (11.6) | 159 (20.5) | 157 (19.5) | 56 (12.1) | 83 (15.2) | |
50,000-69,999 | 16 (6.1) | 14 (7.0) | 121 (15.6) | 154 (19.1) | 115 (24.8) | 120 (22.0) | |
70,000-89,000 | 7 (2.7) | 7 (3.5) | 91 (11.7) | 105 (13.0) | 92 (19.9) | 96 (17.6) | |
>90,000 | 6 (2.3) | 10 (5.0) | 137 (17.6) | 120 (14.9) | 145 (31.3) | 156 (28.6) | |
Body Mass Index at referent | <18.5 | <5b (1.5) | 9 (1.1) | 8 (1.0) | 9 (1.1) | 15 (3.2) | 9 (1.7) |
18.5-24.9 | 99 (38.2) | 337 (42.4) | 282 (36.7) | 337 (42.4) | 262 (56.6) | 285 (53.1) | |
25.0-29.9 | 97 (37.5) | 248 (31.2) | 270 (35.1) | 248 (31.2) | 116 (25.1) | 144 (26.8) | |
>30 | 59 (22.8) | 201 (25.3) | 209 (27.2) | 201 (25.3) | 70 (15.1) | 99 (18.4) | |
Lactation | Never | 173 (65.3) | 114 (57.0) | 571 (73.2) | 569 (70.5) | 284 (61.3) | 316 (58.0) |
Ever | 92 (34.7) | 86 (43.0) | 209 (26.8) | 238 (29.5) | 179 (38.7) | 229 (42.0) | |
Menopausal Status | Pre- | 0 (0.0) | 0 (0.0) | 75 (9.8) | 56 (7.2) | 397 (88.0) | 443 (87.5) |
Post- | 265 (100.0) | 200 (100.0) | 687 (90.2) | 727 (92.8) | 54 (12.0) | 63 (12.5) | |