Table 1.
Characteristics of the study sample
| Characteristic | N = 1371 | Prevalence (%) | Mean (SD) |
|---|---|---|---|
|
Demographic Factors
|
|
|
|
| Sex, % male |
770 |
56.2 |
- |
| Age (years) |
|
|
|
| 20-39 |
451 |
32.9 |
- |
| 40-59 |
523 |
38.2 |
|
| 60+ |
397 |
29.0 |
|
| Ethnicity |
|
|
- |
| Non-Hispanic white |
738 |
53.8 |
|
| Non-Hispanic black |
245 |
17.9 |
|
| Hispanic |
334 |
24.4 |
|
| Other |
54 |
3.9 |
|
| Education |
|
|
- |
| < High school |
313 |
22.8 |
|
| High school graduate |
742 |
54.1 |
|
| College graduate |
316 |
23.1 |
|
| Poverty level, % below poverty |
153 |
11.2 |
- |
|
Behavioral Factors
|
|
|
|
| Caffeine consumption, % ≥250 mg/day |
284 |
20.7 |
- |
| Smoking status |
|
|
- |
| Never |
669 |
48.8 |
|
| Former |
404 |
29.5 |
|
| Current |
298 |
21.7 |
|
| Alcohol consumption (drinks/week) |
|
|
- |
| None |
312 |
22.8 |
|
| Some |
1040 |
75.9 |
|
| Excessive |
19 |
1.4 |
|
| Sedentary Behavior |
- |
- |
|
| Screen time (hours/day) |
|
|
2.3 (1.0) |
| % of total wear time that is sedentary |
|
|
56.2 (11.3) |
| Sleep duration proxy (hours/day) |
|
|
8.3 (1.9) |
| Moderate-to-vigorous physical activity (min/day) |
- |
- |
7.0 (12.5) |
|
Metabolic Syndrome Components
|
|
|
|
| Metabolic syndrome, % yes |
512 |
37.4 |
- |
| Waist circumference (cm), % high |
987 |
72.0 |
97 (14) |
| HDL-cholesterol (mg/dL), % low |
418 |
30.5 |
55 (16) |
| Triglycerides (mg/dL), % high |
416 |
30.3 |
140 (113) |
| Glucose (mg/dL), % high |
521 |
38.0 |
99 (17) |
| Systolic blood pressure (mmHg), % high |
518 |
37.8 |
124 (17) |
| Diastolic blood pressure (mmHg), % high | 214 | 15.6 | 71 (11) |