Variables | MIDUS 2 (n = 1255) | MIDUS R (n = 863) | Overall (N = 2118 | p-value a |
---|---|---|---|---|
Risk Factors | ||||
 Elevated blood pressure (Systolic/diastolic ≥140/90 or diagnosed by physician; %) | 52.7 | 48.6 | 51.0 | ns |
 Insulin resistance (HbA1c ≥ 6.5% or blood fasting glucose ≥126 mg/dL or diagnosed by physician; %) | 20.1 | 17.4 | 19.0 | ns |
 Obese (BMI ≥ 30 Kg/m2; %) | 41.2 | 45.2 | 42.8 | ns |
 Abdominally Obese (waist circumference ≥ 88 cm for women and ≥ 102 cm for men; %) | 55.6 | 54.7 | 55.2 | ns |
 Hypercholesterolemic (total serum cholesterol ≥200 mg/dL or diagnosed by physician; %) | 60.1 | 55.6 | 58.3 | < .05 |
 Elevated IL6 (%) | 32.2 | 24.8 | 29.2 | < .01 |
 Elevated CRP (%) | 31.2 | 24.7 | 28.5 | < .001 |
Sociodemographic Correlates | ||||
Childhood SES | ||||
 Parental education less than HS/GED (%) | 42.2 | 24.2 | 34.9 | < .001 |
 Family of origin received welfare (%) | 2.9 | 4.4 | 3.5 | < .05 |
 Low subjective financial status (%) | 27.4 | 33.6 | 29.9 | < .001 |
 Mean total score of childhood SES (SD; min-max) | 3.80 (1.43; 0–6) | 4.08 (1.46; 0–6) | 3.91 (1.45; 0–6) | < .001 |
Covariates | ||||
 Female (%) | 56.8 | 52.1 | 54.9 | < .05 |
 Mean age (SD; min-max) | 54.5 (11.7; 34–84) | 50.8 (13.4; 25–76) | 53.0 (12.6; 25–84) | < .001 |
 Non-Hispanic White (%) | 77.2 | 68.6 | 73.7 | < .001 |
 Education less than HS/GED (%) | 27.9 | 17.3 | 23.6 | < .001 |
 Mean total score adult SES (SD; min-max) | 4.73 (2.28; 0–8) | 4.39 (2.38; 0–8) | 4.59 (2.33; 0–8) | < .01 |
Kidney Function (M,SD, range, %) | ||||
 Mean eGFR (SD, min-max) | 90.4 (19.6; 3.7–150.7) | 92.4 (18.5; 20.4–139.5) | 91.2 (19.2; 3–7-150.7) | < .05 |
 eGFR < 60 ml/min/1.73 m2 | 5.6 | 4.3 | 5.1 | < .05 |
 eGFR 60–89 ml/min/1.73 m2 | 42.6 | 37.5 | 40.6 |  |
 eGFR ≥90 ml/min/1.73 m2 | 50.9 | 56.9 | 53.4 |  |