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Table 1 Baseline demographic and clinical characteristics of participants and demographic characteristics of carers, by follow-up group

From: The Hawthorne Effect: a randomised, controlled trial

PARTICIPANTS
Characteristic Minimal group
(n = 88)
Intensive group
(n = 88)
Total sample
(n = 176)
Mean age* 79.2 (6.8) 79.7 (8.4) 79.5 (7.6)
Females, Males†† 55, 33 (62.5%) 52, 36 (59.1%) 107, 69 (60.8%)
Ethnicity†† White: 83 (94.3%)
Mixed: 1 (1.1%)
Indian: 2 (2.3%)
Black: 2 (2.3%)
White: 84 (95.5%)
Indian: 1 (1.1%)
Black: 3 (3.4%)
White: 167 (94.9%)
Mixed: 1 (0.6%)
Asian or Asian British: 3 (1.7%)
Black or Black British: 3 (3.4%)
Median years of education† 10.0 (9.0, 14.0) 10.0 (9.0, 13.1) 10.0 (9.0, 13.3)
Number with Alzheimer's disease, vascular dementia diagnosis†† 71, 17 (80.7%) 77, 11 (87.5%) 148, 28 (84.1%)
Evidence of vascular pathology†† 40 (45.5%) 46 (52.3%) 86 (48.9%)
Median MMSE score† 22.0 (15.0, 26.0) 23.0 (13.9, 26.0) 22.0 (15.0, 26.0)
Mean ADAS-Cog score* 23.2 (10.2) 22.3 (8.9) 22.7 (9.6)
Median carer-reported duration of dementia in years† 3.0 (1.0, 8.1) 3.0 (1.3, 8.0) 3.0 (1.0, 8.0)
AChI use†† 28 (31.8%) 30 (34.1%) 58 (33.0%)
CARERS§
Characteristic Minimal group
(n = 88)
Intensive group
(n = 88)
Total sample
(n = 176)
Mean age* 63.1 (14.4) 65.2 (12.9) 64.1 (13.7)
Females, Males†† 77, 11 (87.5%) 75, 13 (85.2%) 152, 24 (86.4%)
Number who are the partner of the participant†† 45 (51.1%) 48 (54.5%) 93 (52.8%)
Number who live-in†† 56 (63.6%) 59 (67.0%) 115 (65.3%)
Number who are the informal (unpaid) carer†† 83 (94.3%) 86 (97.7%) 169 (96.0%)
  1. * Mean scores are reported with standard deviations.
  2. † Median scores are reported with 10th & 90th percentiles.
  3. †† Numbers reported with percentage of group (e.g. Ginkgo group); or percentage of females or AD sufferers respectively.
  4. § Two participants study carers changed during follow-up. Data is presented for the carer at the end of follow-up.