Table 1.
Participant Characteristics at 2006 (n (%), median (IQR), or mean ± standard error)
| Characteristic | n (%), median (IQR), or mean ± SE |
|---|---|
| Age | 68 (60, 75) |
| Sex | |
| Men | 3,054 (46.0) |
| Women | 4,177 (54.0) |
| Race | |
| Non-Hispanic White/Caucasian | 5,650 (82.3) |
| Non-Hispanic Black/African American | 909 (8.9) |
| Hispanic | 576 (7.3) |
| Other | 96 (1.5) |
| Education (n=7,215) | |
| <High Schoola | 1,706 (20.7) |
| High School Diploma | 3,625 (49.1) |
| Some/Completed College | 1,242 (19.9) |
| Graduate Degree | 642 (10.4) |
| Incomeb | |
| <$25,000 | 2,256 (27.7) |
| $25,000–$45,999 | 2,102 (26.4) |
| $50,000–$74,999 | 1,111 (16.0) |
| $75,000–$99,999 | 647 (9.7) |
| ≥$100,000 | 1,115 (20.2) |
| Health Conditions (n range: 7,198 to 7,230) | |
| Heart attack, coronary heart disease, angina, etc. | 1,806 (22.0) |
| Hypertension | 4,148 (52.7) |
| Stroke | 421 (5.0) |
| Diabetes | 1,469 (18.8) |
| Cancer | 1,119 (13.2) |
| Arthritis | 4,418 (55.9) |
| Drinks Alcohol (n=7,230) | 3,735 (55.0) |
| Current Smoker (n=4,057) | 915 (25.7) |
| BMI (n=7,138) | 28.4 ± 0.1 |
| CES-Dc | 1 (0, 2) |
| Insomnia Symptoms | |
| Trouble Falling Asleep (n=7,229) | 3122 (43.0) |
| Waking During Night (n=7,226) | 4414 (60.4) |
| Wake Too Early (n=7,229) | 3044 (42.1) |
| Not Rested (n=7,226) | 2810 (41.4) |
| Neighborhood Characteristics | |
| Physical Disorderd (n=6,935) | 2.4 ± 0.03 |
| Social Cohesiond (n=6,949) | 2.5 ± 0.02 |
N = 7,231 unless otherwise specified. Note: All percentages are weighted to account for unequal probability of selection to sample, and standard errors are corrected (survey weights are applied) to make results nationally representative. Some percentages do not sum to 100 due to rounding. IQR=Interquartile Range.
a
<High school includes those with a GED.
b
Income represents imputed total household income (respondent and spouse; imputations performed by RAND (RAND, 2010; RAND, 2006)).
c
CES-D is abbreviated, eight-item version. Lower CES-D scores indicate less depressive symptoms.
d
Higher scores indicate worse physical disorder or social cohesion.