Table 1.
Clinical characteristics of the study cohort (N=3852).
| Demographics | Value | |
| Age (years), mean (SD) | 57.0 (14.8) | |
| Female, n (%) | 2351 (61.03) | |
| Race (N=3353), n (%) |
|
|
|
|
White | 3115 (92.90) |
|
|
African American | 196 (5.85) |
|
|
Other | 42 (1.25) |
| Marital status (N=3351), n (%) | ||
|
|
Married | 2204 (65.77) |
|
|
Single | 748 (22.32) |
|
|
Divorced/widowed | 399 (11.91) |
| Household income (in US $)a, N=3326, median (Q1-Q3)b | 54,578 (44,371-66,360) | |
| Any comorbid condition, N=2615, n (%) | 2087 (79.81) | |
| Number of comorbiditiesc, median (Q1-Q3) | 2 (1-3) | |
| Health status, median (Q1-Q3) |
|
|
|
|
PHQ-9d, N=3434 | 6 (2-11) |
|
|
EQ-5De, N=3483 | 0.78 (0.60-0.83) |
|
|
Health efficacy score, N=3791 | 15 (12-17) |
| Personal mobile devices, n (%) |
|
|
|
|
Smartphone ownership (N=3799) | 2640 (69.49) |
|
|
Tablet ownership (N=3809) | 2103 (55.21) |
aMedian household income by zip code.
bQ1: first quartile, Q3: third quartile.
cComorbid conditions include diabetes, atrial fibrillation, cancer, coronary artery disease, chronic renal insufficiency, and hypertension.
dPHQ-9: Patient Health Questionnaire-9.
eEQ-5D: EuroQol 5 Dimensions.