Table 1 Patient characteristics
From: Feasibility of a wearable self-management application for patients with COPD at home: a pilot study
Characteristic | n = 34 | |
|---|---|---|
Age – Mean (SD) | 69.8 (9.1) | |
Women n (%) | 17 (50%) | |
Ethnicity n (%) | Asian | 2 (5.9%) |
Black | 1 (2.9%) | |
White | 30 (88.2%) | |
Indigenous | 1 (2.9%) | |
Body mass index (SD) | 27.4 (5.8) | |
Charlson Comorbidity Index Score n (%) | 2 | 5 (14.7%) |
3 | 7 (20.6%) | |
4 | 12 (35.3%) | |
5 | 7 (20.6%) | |
6 | 3 (8.8%) | |
COPD related characteristics | ||
Years of COPD (SD) | 9.3 (5.6) | |
Current smoker (in the last 3 months), n (%) | 8 (23.5%) | |
Current or prior smoker, n (%) | 30 (88.2%) | |
Home oxygen, n (%) | 11 (32.4%) | |
Has a COPD action plan, n (%) | 15 (44.1%) | |
COPD medication, n (%) | Short-acting beta agonist | 22 (71.0%) |
Long-acting beta agonist | 20 (64.5%) | |
Short-acting anticholinergic | 5 (16.1%) | |
Long-acting anticholinergic | 19 (61.3%) | |
Inhaled corticosteroid | 21 (67.7%) | |
FEV1 (SD) | 55.8% (20%) | |
FVC (SD) | 70.8% (20%) | |
Average number of acute exacerbations of COPD in the last year requiring antibiotics or oral steroids but not requiring ED or hospitalization n (SD) | 1.6 (2.5) | |
Average number of hospitalizations for COPD, flu or pneumonia in the last year n (SD) | 0.6 (1.8) | |
Health status (self described) n (%) | Very poor | 1 (3%) |
Poor | 5 (15.2%) | |
Fair | 15 (45.5%) | |
Good | 9 (27.3%) | |
Very good | 3 (9.1%) | |
Medical Research Council Dyspnea Scale n (%) | Not troubled by breathlessness, except with strenuous exercise | 5 (15.2%) |
Troubled by shortness of breath when hurrying on the level or walking up a slight hill | 7 (21.2%) | |
Walks slower than people of the same age on the level, stops after a mile or so, or stops after 15 min walking at own pace | 15 (45.5%) | |
Stops for breath after walking about 100 yds or after a few minutes on level ground | 6 (18.2%) | |
Too breathless to leave the house or breathless when dressing or undressing | 0 | |
Digital literacy | ||
Smartphone use—current or ever | 22 (64.7%) | |
Smartwatch/wearable current or ever | 12 (35.3%) | |
WIFI at home | 30 (88.2%) | |
Use a computer at home (desktop, tablet, laptop) | 30 (88.2%) | |
Technical Efficacy (self-reported) n (%) | High | 11 (33.3%) |
Medium | 18 (54.5%) | |
Low | 4 (12.1%) | |
Highest Education obtained (partial or complete) n (%) | High school | 5 (15.2%) |
College or University | 21 (63.6%) | |
Postgraduate | 7 (21.2%) | |