Table 2
Clinical characteristics of participants who contracted COVID-19 stratified according to whether they did (compliant group) or did not (non-compliant group) wear the bracelet regularly
| Variables (n) | Compliant group (n=66) | Non-compliant group (n=61) | Test statistic | Significance (p value) |
| Sex ratio (F:M) | 45:21 | 29:32 |
(1)=4.74 | 0.030 |
| Mean age, years (SD) | 42.88 (5.59) | 44.54 (5.60) | F(1, 116)=2.85 | 0.094 |
| BMI, kg/m² (SD) | 23.75 (3.69) | 25.81 (4.06) | F(1, 116)=10.39 | 0.002* |
| Hospitalisation rate | 3 | 7 |
(1)=0.64 | 0.425 |
| Smoking status, N (never: current: past smoker) | 57:4:5 | 36:6:7 |
(2)=3.03 | 0.22 |
| N of household contacts with COVID-19 | 35 | 18 |
(1)=2.39 | 0.123 |
| N of work colleagues with COVID-19 | 28 | 21 |
(1)=0 | 1 |
| COVID-19 symptoms: | ||||
| Fever | 17 | 23 |
(1)=0.89 | 0.344 |
| Chills | 14 | 11 |
(1)=0.62 | 0.432 |
| Cough | 26 | 30 |
(1)=0.25 | 0.616 |
| Runny nose | 26 | 25 |
(1)=0.01 | 0.938 |
| Difficulty breathing | 11 | 10 |
(1)=0.39 | 0.530 |
| Loss of the sense of smell | 26 | 24 |
(1)=0.37 | 0.543 |
| Loss of the sense of taste | 20 | 22 |
(1)=0.02 | 0.896 |
| Chest pressure | 7 | 10 |
(1)=0.22 | 0.636 |
| Sore throat | 18 | 19 |
(1)=0.00 | 1 |
| Muscle pain | 27 | 32 |
(1)=0.29 | 0.593 |
| Headache | 44 | 29 |
(1)=7.88 | 0.005 |
| Fatigue | 27 | 38 |
(1)=2.24 | 0.135 |
| Malaise | 19 | 25 |
(1)=0.18 | 0.670 |
| Diarrhoea | 13 | 13 |
(1)=0.02 | 0.896 |
| Sickness | 9 | 5 |
(1)=1.29 | 0.256 |
| Vomiting | 1 | 5 |
(1)=1.89 | 0.169 |
| Hospitalisation | 3 | 7 |
(1)=0.64 | 0.425 |
| Long-term effects of COVID-19 (≥10 day) | 5 | 15 |
(1)=5.69 | 0.017 |
| Mean symptom duration | 8.54 (5.10) | 10.16 (10.98) | F(1, 116)=1.31 | 0.254 |
*Indicates p≤0.002, significant difference with Bonferroni correction.
BMI, body mass index.