Acceptability of an intelligent wireless sensor system for the rapid detection of health issues: findings among home-dwelling older adults and their informal caregivers

Figures & data

Table 1 Sociodemographic characteristics of the EG participants

Variables	Participants (n=34)
Age (years), mean (SD)	83.2 (7.2)
Sex, n (%)
Female	23 (67.6)
Marital status, n (%)
Unmarried	5 (14.7)
Married/partner	1 (2.9)
Divorced/separated	3 (8.9)
Widowed	24 (70.6)
Missing	1 (2.9)
Cohabitation, n (%)
Lives alone	31 (91.2)
With spouse	3 (8.8)
Dwelling place, n (%)
Own home with nursing homecare	33 (97.1)
Serviced apartment	1 (2.9)
Additional support services, n (%)
Homecare assistant	27 (79.4)
Home cleaning	28 (82.3)
Meals at home	13 (38.2)
Volunteer	4 (11.8)
Social worker	4 (11.8)
Occupational therapy or physiotherapist	3 (8.8)
Day hospital	4 (11.8)

Abbreviations: EG, experimental group; SD, standard deviation.

Table 2 Participants’ health status

Variables	Participants (n=34)
Confusion Assessment Method (CAM 9 items)
Mean number of symptoms (SD)	1.9 (1.5)
(Min–max)	0–5
Cognitive Performance Scale (CPS)
Mean (SD)	2.3 (2.4)
(Min–max)	0–10
Informant Questionnaire on Cognitive Decline in the Elderly (IQCODE)
Mean (SD)	3.9 (0.6)
(Min–max)	3.1–4.8
Geriatric Depression Scale (GDS 4 items)
Mean (SD)	0.9 (1)
(Min–max)	0–3
RAI-HC: fell during the last 3 months (%)	50
Risk of falling (%)	94.1
RAI-HC: number of drugs
Mean (SD)	8.8 (4.2)
(Min–max)	0–18
RAI-HC: social isolation/loneliness (%)	58.8
RAI-HC: pain–visual analog scale
No pain (%)	29.4
Mild pain (%)	32.4
Average pain (%)	38.2
RAI-HC: hospitalized in the last 3 months
Yes (%)/no (%)	14.7/85.3

Abbreviations: max, maximum; min, minimum; RAI-HC, Resident Assessment Instrument for Home Care; SD, standard deviation.

Table 3 Acceptability questionnaire

Questions	Participants, n (%)		Informal caregivers, n (%)
	Yes	No	Yes	No
Compared to what was presented to you, are you satisfied with the use of the IWSS?	6 (26.1)	17 (73.9)	8 (53.3)	7 (46.7)
Was the IWSS useful?	5 (21.7)	18 (78.3)	8 (53.3)	7 (46.7)
Do you feel that the IWSS became essential to your daily living?	3 (13.6)	19 (83.4)	6 (37.5)	10 (62.5)
Did the installation of the IWSS cause any trouble?	15 (65.2)	8 (34.8)	13 (72.2)	5 (27.8)
Was the use of the IWSS easy?	10 (45.5)	12 (54.5)	12 (80)	3 (20)
Is the IWSS a good system for ensuring the safety of older adults at home?	8 (34.8)	15 (65.2)	13 (76.5)	4 (23.5)
Did the IWSS disturb your daily living?	11 (47.8)	12 (52.2)	6 (46.2)	7 (53.8)
Would you recommend the IWSS to a home-dwelling older adult?	8 (34.8)	15 (65.8)	13 (76.5)	4 (23.5)
Did you hesitate to participate in the study?	8 (36.4)	14 (63.6)	5 (27.8)	13 (72.2)
Did you ever think about withdrawing from the study before it was finished?	5 (22.7)	17 (77.3)	3 (16.7)	15 (83.3)

Abbreviation: IWSS, intelligent wireless sensor system.

Figure S1 Evaluation of the acceptability of the intelligent wireless sensor system.