TABLE 1.
Weighted and unweighted sociodemographic characteristics of the MIDUS 2 and MIDUS refresher biomarker samples.
| Unweighted sample | Weighted sample | ||||
|---|---|---|---|---|---|
| Measures | Level | N | Mean (SD) or % | N | Weighted mean (SD) or % |
| Survey sample | MIDUS-2 | 1,255 | 59.25 | 636 | 41.42 |
| MIDUS-R | 863 | 40.75 | 746 | 58.58 | |
| Sociodemographics | |||||
| Age | years | 2,118 | 54.68 (12.74) | 1,382 | 52.78 (12.87) |
| Age group | Younger (25–49) | 756 | 35.69 | 481 | 40.13 |
| Middle-aged (50–64) | 878 | 41.45 | 549 | 41.21 | |
| Older (65–86) | 484 | 22.85 | 352 | 18.66 | |
| Sex | Male | 955 | 45.09 | 674 | 47.64 |
| Female | 1,163 | 54.91 | 708 | 52.36 | |
| Race | White | 1,591 | 75.44 | 1,184 | 83.22 |
| African-American | 376 | 17.83 | 75 | 8.76 | |
| Other race | 142 | 6.7 | 117 | 7.66 | |
| (missing) | 9 | 6 | 0.36 | ||
| Education | HS/GED or less | 499 | 23.60 | 262 | 30.50 |
| AA degree/some college | 638 | 30.18 | 400 | 28.11 | |
| BA degree or higher | 977 | 46.22 | 719 | 41.28 | |
| (missing) | 4 | 1 | 0.11 | ||
| HH income to poverty ratio | <200% FPL | 231 | 20.12 | 111 | 7.49 |
| 200-<400% FPL | 261 | 22.74 | 146 | 9.32 | |
| 400-<600% FPL | 259 | 22.56 | 141 | 9.97 | |
| >= 600% FPL | 397 | 34.58 | 225 | 13.79 | |
| (missing) | 970 | 759 | 59.42 | ||
| Any comorbidity1 | No | 542 | 25.59 | 353 | 26.09 |
| Yes | 1,576 | 74.41 | 1,029 | 73.91 | |
| Medication use | No | 567 | 26.77 | 329 | 24.46 |
| Yes | 1,551 | 73.23 | 1,053 | 75.54 | |
| BMI | kg/m2 | 2,117 | 30.03 (7.07) | 1,381 | 30.25 (7.15) |
| Physiology | |||||
| Systolic BP | mmHg | 1813 | 123.84 (18.36) | 1,173 | 123.17 (16.91) |
| Diastolic BP | mmHg | 1813 | 61.97 (11.65) | 1,173 | 62.34 (10.62) |
| ln (Systolic LF-BPV) | ln (mmHg2) | 1813 | 2.26 (0.80) | 1,173 | 2.25 (0.73) |
| ln (Diastolic LF-BPV) | ln (mmHg2) | 1813 | 1.05 (0.81) | 1,173 | 1.06 (0.73) |