Table 1.
Characteristics of MESA participants completing cognitive testing in 2011-12.
| Race/Ethnicity | |||||||
|---|---|---|---|---|---|---|---|
| Non- Hispanic White |
Chinese | Non- Hispanic Black |
Hispanic | Total | Test Statistic* (p) |
Effect Size** (Sig.) |
|
| N | 1,868 | 527 | 1,212 | 984 | 4,591 | ||
| N (%) or Mean (SD) |
N (%) or Mean (SD) |
N (%) or Mean (SD) |
N (%) or Mean (SD) |
N (%) or Mean (SD) |
|||
| Age (years) | 70.6 (9.5) | 69.9 (9.5) | 70.3 (9.3) | 69.7 (9.7) | 70.3 (9.5) | F(3, 4587)= 2.3 (0.08) | |
| Age Group (years) | |||||||
| 55-64 | 609 (32.6) | 181 (34.3) | 39 (32.4) | 348 (35.4) | 1531 (33.3) | X2(9)= 6.9 (0.65) | φc=0.022 (0.65) |
| 65-74 | 566 (30.3) | 163 (30.9) | 383 (31.6) | 302 (30.7) | 1,414 (30.8) | ||
| 75-84 | 536 (28.7) | 142 (26.9) | 345 (28.5) | 248 (25.2) | 1,271 (27.7) | ||
| 85-94 | 157 (8.4) | 41 (7.8) | 91 (7.5) | 86 (8.7) | 375 (8.2) | ||
| Gender | |||||||
| Female | 968 (51.8) | 262 (49.7) | 689 (56.8) | 521 (52.9) | 2,440 (53.1) | X2(3)= 10.5 (0.02) | φc=0.048 (0.02) |
| Male | 900 (48.2) | 265 (50.3) | 523 (43.2) | 463 (47.1) | 2,151 (46.9) | ||
| Education | |||||||
| LT High School | 63 (3.4) | 104 (19.7) | 111 (9.2) | 372 (37.8) | 650 (14.2) | X2(12)= 958.8 (<0.001) | φc=0.264 (<0.001) |
| HS Graduate | 284 (15.2) | 82 (15.6) | 217 (18.0) | 214 (21.7) | 797 (17.4) | ||
| Some College | 494 (26.5) | 114 (21.6) | 435 (36.0) | 289 (29.4) | 1,332 (29.1) | ||
| College Graduate | 446 (23.9) | 123 (23.3) | 223 (18.5) | 60 (6.1) | 852 (18.6) | ||
| Post Graduate | 579 (31.0) | 104 (19.7) | 221 (18.3) | 49 (5.0) | 953 (20.8) | ||
| Household Income ($) | |||||||
| LT $20,000 | 153 (8.3) | 179 (43.2) | 185 (16.4) | 314 (32.3) | 831 (18.6) | X2(12)= 740.7 (<0.001) | φc=0.48 (<0.001) |
| $20,000-34,999 | 239 (13.0) | 103 9(19.7) | 258 (22.8) | 289 (29.7) | 889 (19.9) | ||
| $35,000-49,999 | 310 (16.9) | 57 (10.9) | 210 (18.6) | 166 (17.1) | 743 (16.7) | ||
| $50,000-$99,999 | 626 (34.1) | 115 (22.0) | 366 (32.4) | 175 (18.0) | 1,282 (27.7) | ||
| GE $100,000 | 507 (27.6) | 70 (13.4) | 111 (9.8) | 175 (18.0) | 716 (16.1) | ||
| Health Insurance | |||||||
| Private | 1,142 (61.4) | 260 (49.3) | 712 (59.1) | 519 (53) | 2,633 (57.6) | X2(15)= 372.7 (<0.001) | φc=0.166 (<0.001) |
| Medicaid | 1 (0.1) | 13 (2.5) | 8 (0.7) | 33 (3.4) | 55 (1.2) | ||
| Medicare + Suppl | 404 (21.7) | 39 (7.4) | 223 (18.5) | 95 (9.7) | 761 (16.6) | ||
| Medicare no Suppl | 210 (11.2) | 107 (20.3) | 140 (11.6) | 162 (16.5) | 619 (13.5) | ||
| VA/Other | 52 (2.8) | 17 (3.2) | 41 (3.4) | 38 (3.9) | 148 (3.2) | ||
| None | 52 (2.8) | 91 (17.3) | 80 (6.6) | 134 (13.6) | 357 (7.8) | ||
| Number in Household | |||||||
| One | 517 (27.8) | 64 (12.1) | 432 (36.1) | 264 26.9) | 1,277 (28.1) | X2(9)= 260.0 (<0.001) | φc=0.138 (<0.001) |
| Two | 960 (51.7) | 235 (44.6) | 468 (39.1) | 349 (35.5) | 2,012 (44.1) | ||
| Three-Four | 317 (17.1) | 171 (32.4) | 236 (19.7) | 263 (26.8) | 987 (21.6) | ||
| Five or more | 64 (3.4) | 57 (10.8) | 61 (5.1) | 107 (10.9) | 289 (6.3) | ||
| Place of Birth | |||||||
| US - West | 82 (4.4) | 9 (1.7) | 33 (2.7) | 105 (10.7 | 229 (5.0) | X2(12)= 3200.0 (<0.001) | φc=0.485 (<0.001) |
| US - Midwest | 794 (42.5) | 13 (2.5) | 137 (11.3) | 146 (14.8) | 1090 (23.7) | ||
| US - South | 537 (28.7) | 0 (0.0) | 798 (65.8 | 54 (5.5) | 1389 (30.3) | ||
| US - Northeast | 320 (17.1) | 1 (0.2) | 119 (9.8) | 33 (3.4) | 473 (10.3) | ||
| Foreign-born | 135 (7.2) | 504 (95.6) | 125 (10.3) | 646 (65.7) | 1410 (30.7) | ||
| Years in the US | |||||||
| US born | 1764 (94.4) | 60 (11.4) | 1123 (92.7) | 415 (42.2) | 3362 (73.2) | X2(9)= 2500.0 (<0.001) | φc=0.430 (<0.001) |
| LT 15 years | 14 (0.7) | 161 (30.6) | 8 (0.7) | 80 (8.1) | 263 (5.7) | ||
| 15-20 years | 17 (0.9) | 193 (36.6) | 42 (3.5) | 170 (17.3) | 422 (9.2) | ||
| 30 years or more | 73 (3.9) | 113 (21.4) | 39 (3.2) | 319 (32.4) | 544 (11.8) | ||
| English Spoken at Home | 1853 (99.2) | 236 (44.8) | 1208 (99.7) | 699 (71.0) | 3996 (87.0) | X2(3)= 1500.0 (<0.001) | φc=0.567 (<0.001) |
| Language at MESA exam | 1868 (100.0) | 110 (20.9) | 1211 (99.9) | 498 (50.6) | 3687 (80.3) | X2(6)= 5476.0 (<0.001) | φc=0.772 (<0.001) |
| English | 0 (0.0) | 0 (0.0) | 0 (0.0) | 486 (49.4) | 486 (10.6) | ||
| Spanish | 0 (0.0) | 417 (79.1) | 1 (0.1) | 0 (0.0) | 418 (9.1) | ||
| Mandarin/Cantonese | |||||||
| Generation in US | |||||||
| First | 130 (7.1) | 504 (95.6) | 116 (10.1) | 645 (66.0) | 1395 (31.2) | X2(9)= 3458.0 (<0.001) | φc=0.507 (<0.001) |
| Second | 306 (16.8) | 21 (4.0) | 23 (2.0) | 211 (21.6) | 561 (12.6) | ||
| Third | 618 (34.0) | 2 (0.4) | 47 (4.1) | 95 (9.7) | 762 (17.1) | ||
| Fourth or more | 765 (42.1) | 0 (0.0) | 957 (83.7) | 26 (2.7) | 1748 (39.1) | ||
| Occupation | |||||||
| Homemaker | 187 (10.3) | 69 (13.1) | 64 (5.3) | 119 (121) | 439 (9.6) | X2(15)= 185.8 (<0.001) | φc=0.116 (<0.001) |
| Working FT | 856 (45.9) | 235 (44.6) | 547 (45.4) | 423 (43) | 2061 (45.0) | ||
| Working PT | 223 (12.0) | 61 (11.6) | 74 (6.1) | 88 (8.9) | 446 (9.7) | ||
| Unemployed/on leave | 42 (2.3) | 13 (2.5) | 48 (4.0) | 46 (4.7) | 149 (3.3) | ||
| Retired-not working | 287 (15.4) | 126 23.2) | 287 (23.8) | 237 (24.1) | 937 (20.4) | ||
| Retired-working/volunteering | 270 (14.5) | 23 (4.4) | 186 (15.4) | 71 (7.2) | 550 (12.0) | ||
| ApoE allele | |||||||
| ApeE 3/3 | 1158 (62.0) | 369 (73.8) | 565 (46.6) | 692 (70.0) | 2804 (61.1) | X2(12)= 330.1 (<0.001) | φc=0.241 (<0.001) |
| ApoE 2/3 | 187 (10.0) | 21 (4.0) | 85 (7.0) | 53 (5.4) | 346 (7.5) | ||
| ApoE 4/4 | 40 (2.1) | 4 (0.8) | 46 (3.8) | 13 (0.3) | 103 (2.2) | ||
| ApoE 2/4*** or 3/4 | 417 (22.3) | 92 (17.5) | 330 (27.2) | 193 (19.6) | 1032 (22.5) | ||
| Missing | 66 (3.5) | 21 (4.0) | 186 (15.3) | 33 (3.4) | 306 (6.7) | ||
*
Chi-square test (degrees of freedom) or F-test (degrees freedom model) are presented.
**
Cramer's V and level of significance are shown.
***
only 3 participants had ApoE 2/4 genotype