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Table 1 Characteristics of study participants

From: Pre-statistical harmonization of behavrioal 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)
  1. aNote: Demographic information of patient with ADRD is not avaliable because it is a study about care giver not care recipient