Table 1.
Characteristics of the sample population. Values are through complex analysis unless otherwise stated.
| Metric | Value |
|---|---|
| Participants, na | 5397 |
| Male, % | 51.3 |
| Age, mean (SE) | 44.7 (0.4) |
| BMI (kg/m2) | 27.7 (0.06) |
| Ethnicity | |
| Mexican Hispanic, % | 7.3 |
| Other Hispanic, % | 7.0 |
| Non-Hispanic White, % | 72.7 |
| Non-Hispanic Black, % | 9.0 |
| Other Race–Including Multi-Racial, % | 3.9 |
| Education (highest level obtained) | |
| Less Than 9th Grade, % | 6.2 |
| 9–11th Grade (Includes 12th grade with no diploma), % | 13.7 |
| High School Grad/GED or Equivalent, % | 26.4 |
| Some College or AA degree, % | 28.8 |
| College Graduate or above, % | 24.8 |
| Refused, % | <0.1 |
| Don’t Know, % | 0.1 |
| Physical activity | |
| Sits during the day and does not walk a lot, % | 23.1 |
| Stands or walks a lot during the day but does not carry or lift things often, % | 50.0 |
| Lifts light loads or climbs stairs/hills often, % | 18.6 |
| Performs heavy work or carries heavy loads, % | 8.2 |
| Refused, % | <0.1 |
| Don’t Know, % | 0.1 |
| Alcohol intake, mean gm/day (SE) | 12.4 (0.8) |
| General Health Condition | |
| Excellent, % | 24.2 |
| Very Good, % | 33.6 |
| Good, % | 28.3 |
| Fair, % | 11.5 |
| Poor, % | 2.3 |
| Refused, % | 0.0 |
| Don’t Know, % | <0.1 |
| Smoking (frequency of cigarette use) | |
| Every Day, % | 42.4 |
| Some Days, % | 8.0 |
| Not At All, % | 49.6 |
| Refused, % | 0.0 |
| Don’t Know, % | 0.0 |
| Four-phenotype model classificationb | |
| LA-HM, % | 25.0 |
| LA-LM, % | 24.7 |
| HA-HM, % | 27.9 |
| HA-LM (SO), % | 22.4 |
| TrFM/ASM ratio classificationc | |
| <15th centile, % | 14.7 |
| 15–84th centile, % | 70.5 |
| ≥85th centile (SO), % | 14.8 |
| BMI classificationd | |
| Healthy, % | 33.8 |
| Overweight, % | 36.0 |
| Obesity, % | 29.6 |
| T/S ratio, mean (SE)e | 1.06 (0.01) |
aComplex analysis not taken into account.
bLA is low adiposity, HA is high adiposity, LM is low muscle mass and HM is high muscle mass.
cTrFM is truncal fat mass, ASM is appendicular skeletal mass.
dBMI is body mass index.
eThe mean telomere length, relative to the reference DNA, was calculated and expressed as the mean T/S ratio.