Table 4.
Factor Loadings for a Four-Factor Model of the Metabolic Syndrome Defined by 11 Metabolic Risk Variables Among 2,532 Participants in the Coronary Artery Risk Development in Young Adults Study (CARDIA) at Baseline and the Year-10 Exam, Overall and by Race-Sex.
All | Race-Sex Groups | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
White Men | White Women | Black Men | Black Women | |||||||
Baseline | Year-10 | Baseline | Year-10 | Baseline | Year-10 | Baseline | Year-10 | Baseline | Year-10 | |
N | 2532 | 681 | 757 | 435 | 659 | |||||
χ2 d.f.=38 | 3052.9 | 3038.8 | 186.0 | 235.2 | 170.3 | 296.2 | 132.2 | 132.3 | 296.1 | 320.7 |
Goodness-of-fit | 0.81 | 0.81 | 0.95 | 0.94 | 0.96 | 0.94 | 0.95 | 0.95 | 0.93 | 0.92 |
Factor 1: Insulin resistance | ||||||||||
HOMA-IR | 0.51 | 0.85 | 1.00 | 0.93 | 0.93 | 0.99 | 0.99 | 0.96 | 0.94 | 0.97 |
Fasting glucose | 0.42 | 0.64 | 0.41 | 0.58 | 0.58 | 0.67 | 0.62 | 0.67 | 0.55 | 0.60 |
Uric acid | 0.51 | 0.43 | 0.07 | 0.39 | 0.19 | 0.31 | 0.28 | 0.29 | 0.22 | 0.31 |
Factor 2: Obesity | ||||||||||
BMI | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.03 | 0.99 | 1.00 | 1.00 | 1.00 |
Waist:Hip | 0.71 | 0.74 | 0.74 | 0.77 | 0.70 | 0.71 | 0.61 | 0.76 | 0.59 | 0.69 |
Triceps skin-fold | 0.37 | 0.43 | 0.66 | 0.65 | 0.75 | 0.75 | 0.69 | 0.73 | 0.79 | 0.75 |
Factor 3: Lipids | ||||||||||
Triglycerides | 0.65 | 0.71 | 0.80 | 0.95 | 0.67 | 0.67 | 0.63 | 0.65 | 0.50 | 0.63 |
LDL-C | 0.37 | 0.39 | 0.40 | 0.27 | 0.34 | 0.44 | 0.47 | 0.43 | 0.32 | 0.29 |
HDL-C | −0.59 | −0.65 | −0.59 | −0.61 | −0.54 | −0.61 | −0.41 | −0.59 | −0.56 | −0.52 |
Factor 4: Blood pressure | ||||||||||
Systolic | 0.94 | 0.89 | 0.78 | 0.74 | 1.00 | 0.89 | 1.00 | 0.95 | 0.78 | 0.89 |
Diastolic | 0.59 | 0.85 | 0.68 | 0.94 | 0.63 | 0.79 | 0.47 | 0.76 | 0.67 | 0.87 |
Abbreviations: HOMA-IR, Homeostasis model assessment insulin resistance [(fasting glucose × fasting insulin)/22.5]; BMI, body mass index; LDL-C, low density lipoprotein cholesterol; HDL-C, high density lipoprotein cholesterol