Table 1.
Sociodemographic characteristics, self-reported health outcomes, and basic wearable metrics of participants.
| Participant characteristics | Value (N=267) |
|
|
| Age (years), mean (SD) | 32.8 (8.6) |
|
|
| Gender, n (%) | |||
| Male | 97 (36.3) |
|
|
| Female | 170 (63.7) |
|
|
| Ethnicity, n (%) | |||
| Chinese | 211 (79.0) |
|
|
| Indian | 22 (8.2) |
|
|
| Malay | 10 (3.7) |
|
|
| Other | 24 (9.0) |
|
|
| Marital status, n (%) | |||
| Married | 104 (39.0) |
|
|
| Single | 163 (61.0) |
|
|
| Education, n (%) | |||
| University degree | 238 (89.1) |
|
|
| Below university degree | 29 (10.9) |
|
|
| Monthly income (SGDa), n (%) | |||
| <4000 | 154 (57.7) |
|
|
| ≥4000 | 113 (42.3) |
|
|
| Alcohol consumption, n (%) | |||
| No | 109 (40.8) |
|
|
| Yes | 158 (59.2) |
|
|
| Smoking, n (%) | |||
| Current smoker | 15 (5.6) |
|
|
| Nonsmoker | 252 (94.4) |
|
|
| Overall self-rated health, n (%) | |||
| Fair | 21 (7.9) |
|
|
| Good | 105 (46.4) |
|
|
| Very good | 124 (39.3) |
|
|
| Excellent | 17 (6.4) |
|
|
| Sleep Hygiene Index score, mean (SD) | 16.9 (5.7) |
|
|
| Pittsburgh Sleep Quality Index score, mean (SD) | 5.4 (2.7) |
|
|
| Daytime sleepiness score (ESSb), mean (SD) | 7.2 (4.2) |
|
|
| Loneliness score (UCLAc Loneliness Scale), mean (SD) | 37.8 (9.8) |
|
|
| Complete actigraphy days, mean (SD) | 14.2 (2.1) |
|
|
| Steps per day, mean (SD) | 10,252 (2822) |
|
|
| Heart rate (beats per minute), mean (SD) | 74.4 (7.1) |
|
|
aA currency exchange rate of SGD 1=US $0.75 is applicable.
bEpworth Sleepiness Scale.
cUCLA: University of California, Los Angeles.