Multivariate analysis for the prevalence of IR in IRRF-Free among US adult, 2007–2014* N=2478
| Variable | P | OR | 95% CI | |
| Lower | Upper | |||
| Intercept | <0.001 | 6.719E-6 | 1.369E-7 | 0.000 |
| Race | 0.041 | |||
| Mexican American | 0.918 | 1.044 | 0.452 | 2.414 |
| Other Hispanics | 0.824 | 1.107 | 0.446 | 2.744 |
| Non-Hispanic whites | 0.410 | 0.699 | 0.295 | 1.656 |
| Non-Hispanic black | 0.270 | 1.689 | 0.657 | 4.390 |
| Non-Hispanic multiracial | – | 1.000 | – | – |
| Educational level | 0.038 | |||
| Less than grade 9 education | 0.776 | 1.158 | 0.414 | 3.242 |
| Grade 9–11 education | 0.050 | 2.346 | 1.000 | 5.508 |
| High school graduate/GED or equivalent | 0.021 | 2.209 | 1.134 | 4.302 |
| Some college students or joint AA degrees | 0.024 | 2.149 | 1.108 | 4.168 |
| Bachelor degree or above | – | 1.000 | – | – |
| WC (cm) | <0.001 | 1.092 | 1.044 | 1.142 |
| TG (mg/dL) | <0.001 | 1.010 | 1.005 | 1.015 |
*Data are from the National Health and Nutrition Examination Surveys. All data except for sample size are weighted accounting for the complex study design according to the directions of the National Centre for Health Statistics.
IR, insulin resistance; IRRF, IR risk factor; TG, triglyceride; WC, waist circumference.