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Table 1 Characteristics of survey respondents

From: Attitudes toward clinical trials across the Alzheimer’s disease spectrum

Participant characteristics Consensus diagnosis
CN (n = 37) MCI (n = 32) Dementia (n = 22)
Age, mean (SD) 72.46 (10.4) 69.94 (9.5) 73.55 (11.4)
Education, mean (SD) 17.22 (1.9) 16.78 (2.7) 19.73 (17.9)
Female sex, n (%) 16 (43.2%) 16 (50.0%) 6 (27.3%)
Race, n (%)
 White 35 (97.2%) 29 (90.6%) 18 (81.8%)
 African-American 0 (0.0%) 3 (9.4%) 1 (4.6%)
 Asian 1 (2.8%) 0 (0.0%) 2 (9.1%)
 Other 0 (0.0%) 0 (0.0%) 1 (4.6%)
Hispanic, n (%) 0 (0.0%) 1 (3.1%) 1 (4.6%)
Marriage status, n (%)
 Married 25 (67.6%) 22 (68.8%) 17 (77.3%)
 Widowed 6 (16.2%) 1 (3.1%) 3 (13.6%)
 Divorced 3 (8.1%) 6 (18.8%) 2 (9.1%)
 Never married 2 (5.4%) 3 (9.4%) 0 (0.0%)
 Living as married 1 (2.7%) 0 (0.0%) 0 (0.0%)
Partner involvement, n (%)
 No help 29 (80.6%) 25 (80.7%) 2 (9.1%)
 Less than half 5 (13.9%) 1 (3.2%) 0 (0%)
 More than half 2 (5.6%) 5 (16.1%) 13 (59.1%)
 Together 0 (0.0%) 0 (0.0%) 7 (31.8%)
Living situation, n (%)
 Lives alone 7 (18.9%) 8 (25.0%) 3 (13.6%)
 Lives with spouse or partner 22 (59.5%) 20 (62.5%) 16 (72.7%)
 Lives with relative or friend 2 (5.4%) 0 (0.0%) 1 (4.6%)
 Lives with group 4 (10.8%) 1 (3.1%) 1 (4.6%)
 Other 2 (5.4%) 3 (9.4%) 1 (4.6%)
Independence, n (%)
 Able to live independently 36 (97.3%) 31 (96.9%) 8 (36.4%)
 Requires some assistance with complex activities 0 (0.0%) 1 (3.1%) 12 (54.6%)
 Requires some assistance with basic activities 1 (2.7%) 0 (0%) 1 (4.5%)
 Completely dependent 0 (0.0%) 0 (0%) 1 (4.5%)
  1. “Partner Involvement” refers to how much the study partner assisted the patient in completing the survey
  2. “Independence” refers to how well participants can perform daily activities
  3. CN cognitively normal, MCI mild cognitive impairment, SD standard deviation