Table 1 Characteristics of participants by quartile of early-life cognitive activities, the St. Louis Baby Tooth – Later Life Health Study, N = 4,198.
Early-life cognitive activities | ||||
|---|---|---|---|---|
Quartile 1 (Fewest) | Quartile 2 | Quartile 3 | Quartile 4 (Most) | |
N = 1,056 | N = 1,048 | N = 1,054 | N = 1,040 | |
Characteristics | ||||
Age at test, years, Mean (SD) | 63.58 (3.37) | 63.38 (3.40) | 63.44 (3.57) | 63.23 (3.55) |
Male, N (%) | 598 (57.0) | 520 (50.0) | 414 (39.3) | 385 (37.3) |
Racial identity, N (%) | ||||
Black/African American | 15 (1.4) | 13 (1.2) | 7 (0.7) | 15 (1.4) |
White | 1017 (96.9) | 1020 (97.7) | 1024 (97.5) | 1010 (97.4) |
Asian | 4 (0.4) | 1 (0.1) | 3 (0.3) | 2 (0.2) |
Multiracial | 5 (0.5) | 6 (0.6) | 5 (0.5) | 3 (0.3) |
Prefer not to say | 8 (0.8) | 4 (0.4) | 11 (1.1) | 7 (0.7) |
Education, N (%) | ||||
High school or less | 133 (12.6) | 57 (5.5) | 44 (4.2) | 18 (1.7) |
Associate degree or some college | 316 (29.9) | 226 (21.6) | 179 (17.0) | 120 (11.5) |
College graduate | 319 (30.3) | 370 (35.3) | 372 (35.3) | 291 (28.0) |
More than college | 286 (27.1) | 394 (37.6) | 458 (43.5) | 611 (58.8) |
Smoking, ever, N (%) | 423 (40.1) | 353 (33.7) | 332 (31.5) | 299 (28.9) |
BMI, kg/m2 | ||||
Less than 18.5 (underweight) | 5 (0.5) | 13 (1.3) | 14 (1.4) | 9 (0.9) |
18.5–24.9 (healthy weight) | 316 (30.1) | 313 (30.3) | 327 (31.6) | 385 (37.3) |
25.0–29.9 (overweight) | 359 (34.2) | 379 (36.7) | 387 (37.4) | 357 (34.6) |
30.0 and greater (obese) | 369 (35.2) | 329 (31.8) | 307 (29.7) | 282 (27.3) |
Mother’s education, N (%) | ||||
High school or less | 695 (65.9) | 558 (53.3) | 506 (48.1) | 403 (38.8) |
Associate degree or some college | 178 (16.9) | 241 (23.0) | 256 (24.3) | 249 (23.9) |
College graduate | 108 (10.2) | 163 (15.6) | 183 (17.4) | 188 (18.1) |
More than college | 58 (5.5) | 78 (7.5) | 105 (10.0) | 193 (18.6) |
Don’t know | 15 (1.4) | 6 (0.6) | 4 (0.4) | 6 (0.6) |
Father’s education, N (%) | ||||
High school or less | 554 (52.5) | 426 (40.7) | 370 (35.0) | 251 (24.3) |
Associate degree or some college | 181 (17.1) | 192 (18.3) | 194 (18.4) | 195 (18.8) |
College graduate | 185 (17.5) | 224 (21.4) | 244 (23.1) | 235 (22.7) |
More than college | 104 (9.8) | 189 (18.1) | 238 (22.6) | 349 (33.7) |
Don’t know | 32 (3.0) | 15 (1.4) | 8 (0.8) | 7 (0.7) |
Childhood living arrangement, N (%) | ||||
Both parents | 932 (88.3) | 958 (91.9) | 978 (93.1) | 968 (93.2) |
One parent | 78 (7.4) | 60 (5.8) | 50 (4.8) | 52 (5.0) |
One parent and a step-parent | 38 (3.6) | 20 (1.9) | 19 (1.8) | 16 (1.5) |
Neither parent (in foster home or with relatives) | 7 (0.7) | 4 (0.4) | 3 (0.3) | 3 (0.3) |
Childhood family financial status, N (%) | ||||
Very poor | 9 (0.9) | 3 (0.3) | 1 (0.1) | 1 (0.1) |
Poor | 122 (11.6) | 101 (9.7) | 72 (6.8) | 45 (4.3) |
Average | 839 (79.7) | 829 (79.3) | 828 (78.6) | 760 (73.1) |
Well-off | 81 (7.7) | 109 (10.4) | 141 (13.4) | 216 (20.8) |
Very well off | 2 (0.2) | 4 (0.4) | 12 (1.1) | 17 (1.6) |
