Table 1 Characteristics of participants
Cognitive Function | ||||
|---|---|---|---|---|
Characteristics | Overall, N = 2,666 | No CoI N = 1,966 (84%) | CoI N = 700 (16%) | P-value |
Age, yearsa | 69(7.00) | 68(6.00) | 73(7.00) | < 0.001 |
Sex, n (%)b | 0.5 | |||
Female | 1,363(54.07) | 1,051(54.43) | 312(52.12) | |
Male | 1,303(46.93) | 915(45.57) | 388(47.88) | |
Race, n (%)b | < 0.001 | |||
Mexican American | 234(3.33) | 142(2.46) | 89(8.00) | |
Non-Hispanic White | 1,304(80.33) | 1,079(84.19) | 225(59.53) | |
Non-Hispanic Black | 603(7.83) | 388(6.05) | 215(17.41) | |
Hispanic | 275(3.66) | 145(2.25) | 130(11.27) | |
Asian | 214(3.21) | 179(3.20) | 35(3.24) | |
Other | 36(1.64) | 30(1.84) | 6(0.55) | |
Education, n (%)b | < 0.001 | |||
Less than high school | 659(15.67) | 283(10.44) | 376(43.86) | |
High school graduate or GED | 627(21.92) | 464(21.11) | 163(26.30) | |
College or above | 1,380(62.40) | 1,219(68.45) | 161(29.85) | |
Annual family income, n (%)b | < 0.001 | |||
< $20,000 | 669(16.54) | 389(13.07) | 280(35.22) | |
≥ $20,000 | 1,997(83.46) | 1,577(86.93) | 420(64.78) | |
Marital status, n (%)b | < 0.001 | |||
Never married | 153(4.38) | 113(4.14) | 40(5.64) | |
Married/ with a partner | 1,554(65.04) | 1,206(67.67) | 348(50.86) | |
Widowed | 510(16.60) | 319(14.30) | 191(28.98) | |
Divorced or separated | 449(13.99) | 328(13.89) | 121(14.52) | |
Work activity, n (%)b | < 0.001 | |||
No or lower | 1,843(64.59) | 1,297(62.11) | 546(77.90) | |
Moderate | 526(22.13) | 422(23.35) | 104(15.57) | |
Vigorous | 297(13.28) | 247(15.54) | 50(6.53) | |
BMIa, kg/m2 | 29.10(6.30) | 29.10(6.20) | 28.70(6.50) | 0.15 |
Smoker, n (%)b | 1,349(50.01) | 979(49.60) | 370(52.21) | 0.4 |
Alcohol user, n (%)b | 1,830(72.87) | 1,398(75.17) | 432(60.50) | < 0.001 |
Hypertension, n (%)b | 1,657(58.28) | 1,176(56.10) | 481(70.00) | < 0.001 |
Diabetes, n (%)b | 610(19.00) | 399(17.48) | 211(27.21) | 0.003 |
CVD, n (%)b | 576(21.47) | 364(19.09) | 212(34.32) | < 0.001 |
Sleep disorder, n (%)b | 317(11.97) | 244(12.31) | 73(10.13) | 0.2 |
eGFRa, mL/min/1.73 m2 | 73(18.00) | 75(17.00) | 66(22.00) | < 0.001 |
CKD, n (%)b | 604(22.42) | 384(19.39) | 220(38.72) | < 0.001 |
Depression, n (%)b | 660(21.12) | 413(18.36) | 247(36.01) | < 0.001 |