Table 1 Characteristics of study participants
From: Pre-statistical harmonization of behavioral instruments across eight surveys and trials
Characteristics | Adult Day Services Plus study (ADS PLUS) | Advancing Caregiver Training (ACT) | Aging, Demographics and Memory Study(ADAMS) | Alzheimer’s Quality of Life Study (ALZQOL) | Care of Older Persons in Their Environment (COPE) | National Alzheimer’s Coordinating Center(NACC) | Resources for Enhancing Alzheimer’s Caregiver Health(REACH II) | Tailored Activity Program (TAP) |
|---|---|---|---|---|---|---|---|---|
Sample Size | 194 | 272 | 308 | 88 | 237 | 14,564 | 670 | 60 |
Age(in years), mean(SD) | a67.3(12.8) | 82.4(8.44) | 85.2(6.91) | 81.7(8.02) | 82.7(8.66) | 74.6(9.82) | a79.0(9.2) | 79.4(9.40) |
Female, n(%) | 99(51.0) | 147(54.0) | 213(69.2) | 46(52.3) | 165(69.2) | 8064(55.4) | a390 (58.2) | 26(43.3) |
Race, n(%) | ||||||||
 White | 150(77.3) | 193(71.0) | 224(72.7) | 67(76.1) | 170(71.7) | 11967(82.2) | 321(47.9) | 46(76.7) |
 African American | 29(15.0) | 73(26.8) | 70(22.7) | 20(22.7) | 62(26.2) | 1716(11.8) | 214(31.9) | 13(21.7) |
 Others | 15(7.73) | 6(2.21) | 14(4.55) | 1(1.14) | 5(2.11) | 881(6.05) | 195(29.1) | 1(1.67) |
Ethnicity, n(%) | ||||||||
 Hispanic/Latino | 18(9.28) | 5(1.84) | 23(7.47) | 2(2.27) | 4(1.69) | 1271(8.73) | 207(30.9) | 2(3.33) |
 Non-Hispanic/Latino | 174(89.7) | 267(98.2) | 285(92.5) | 86(97.7) | 233(98.3) | 13243(90.9) | 436(65.1) | 58(96.7) |
 Unknown | 2(1.03) | 0 | 0 | 0 | 0 | 50(0.34) | 27(4.03) | 0 |
Education, n(%) | ||||||||
 Less than high school/GRE | 21(10.8) | a25(9.19) | 179(58.1) | a2(2.27) | a7(2.95) | 1709(11.7) | 314(46.9) | 12(20.0) |
 High school graduate | 55(28.4) | a69(25.4) | 70(22.7) | a21(23.9) | a66(27.9) | 3335(22.9) | 149(22.2) | 19(31.7) |
 Some college | 50(25.8) | a83(30.5) | 32(10.4) | a33(37.5) | a74(31.2) | 2420(16.6) | 56(8.36) | 4(6.67) |
 College degree | 39(20.1) | a62(22.8) | 14(4.55) | a10(11.4) | a46(19.4) | 3147(21.6) | 64(9.55) | 14(23.3) |
 Post-graduate study | 27(13.9) | a33(12.1) | 13(4.22) | a22(25.0) | a44(18.6) | 3953(27.1) | 37(5.52) | 8(13.3) |
 Unknown | 2(1.03) | a0 | 0 | a0 | a0 | 0 | 50(7.46) | 3(5.00) |