Table 1 Unweighted Summary Statistics Among U.S. Adults from NHANES 1999–2002 (n = 2343)
Demographic variables | Â |
|---|---|
 Chronological Age (years), mean (sd) | 65.1 (9.3) |
Epigenetic Age/Clocks, mean (sd) | Â |
 HannumAge (years) | 66.3 (9.2) |
 HorvathAge (years) | 66.1 (8.6) |
 SkinBloodAge (years) | 63.6 (9.1) |
 PhenoAge (years) | 54.9 (10.1) |
 GrimAge2 (years) | 71.5 (8.4) |
 DNAm Telomere Length (TL) (kb) | 6.6 (0.3) |
 DunedinPoAm | 1.1 (0.1) |
Education, n (%) | Â |
 Less Than High School | 1060 (45) |
 High School Diploma (including GED) | 487 (21) |
 More Than High School | 794 (34) |
 Missing | 2 (0) |
Occupation, n (%) | Â |
 Blue-collar (high skill) | 312 (13) |
 Blue-collar (semi-routine) | 919 (39) |
 White-collar (high skill) | 520 (22) |
 White-collar (semi-routine) | 396 (17) |
 Never worked | 60 (3) |
 Missing | 136 (6) |
Poverty to Income Ratio, mean (sd) | Â |
| Â | 2.6 (1.6) |
 Missing | 267 |
Race/Ethnicity Category, n (%) | Â |
 Mexican American | 680 (29) |
 Other Hispanic | 151 (7) |
 Non-Hispanic White | 921 (39) |
 Non-Hispanic Black | 511 (22) |
 Other Race | 80 (3) |
Sex, n (%) | Â |
 Male | 1201 (51) |
 Female | 1142 (49) |
Health Status, Access, and Utilization Variables | Â |
 Health Status, n (%) |  |
Good–Excellent | 1559 (67) |
Poor-Fair | 784 (33) |
Health Compared to Last Year, n (%) | Â |
 Better | 370 (16) |
 Same | 1667 (71) |
 Worse | 305 (13) |
 Missing | 1 (0) |
Has Routine Place for Healthcare, n (%) | Â |
 Yes | 2164 (92) |
 No | 179 (8) |
Routine Place is not the Emergency Department, n (%) | Â |
 Yes | 2126 (91) |
 No | 36 (1) |
 Missing | 181 (8) |
≥ 10 Visits in the Last Year, n (%) |  |
 Yes | 395 (17) |
 No | 1947 (83) |
 Missing | 1 (0) |
Overnight Hospital Patient in the Last Year, n (%) | Â |
 Yes | 342 (15) |
 No | 2000 (85) |
 Missing | 1 (0) |
Health Behavior Variables | Â |
 Alcohol Intake, n (%) |  |
 Abstainer | 1008 (43) |
 Moderate Drinker | 1135 (48) |
 Heavy Drinker | 84 (4) |
 Missing | 116 (5) |
Body Mass Index (kg/m2), mean (sd) | Â |
| Â | 28.8 (5.8) |
 Missing | 83 |
Health Insurance, n (%) | Â |
 Yes | 2047 (88) |
 No | 265 (11) |
 Missing | 31 (1) |
Smoking, n (%) | Â |
 Current | 373 (16) |
 Former | 903 (39) |
 Never | 1062 (45) |
 Missing | 5 (0) |
Physically Active, n (%) | Â |
 Yes | 1145 (49) |
 No | 1196 (51) |
 Missing | 2 (0) |