Table 2.
Odds ratios (95% confidence intervals) for prevalent metabolic syndrome (MetSyn) among 14,663 subjects from the ARIC study.
| Sociodemographic and Lifestyle Factors | Normal | BMI Category* Overweight | Obese | p-interaction† |
|---|---|---|---|---|
| Age (years) | 1.08 (1.06-1.10) | 1.06 (1.05-1.07) | 1.03 (1.02-1.05) | <0.005 |
| Female (vs. Male) | 1.46 (1.18-1.81) | 1.39 (1.24-1.56) | 0.78 (0.68-0.89) | <0.005 |
| African-American race (vs. White) | 1.36 (0.99-1.87) | 1.00 (0.75-1.00) | 0.72 (0.56-0.94) | <0.005 |
| Education (vs. Less than High school) | 0.01 | |||
| High school | 0.62 (0.49-0.80) | 0.88 (0.79-1.02) | 0.98 (0.84-1.15) | |
| College | 0.48 (0.37-0.63) | 0.68 (0.59-0.79) | 0.83 (0.70-0.98) | |
| Smoking (vs. Never) | 0.20 | |||
| Former | 1.06 (0.82-1.38) | 0.99 (0.87-1.14) | 1.24 (1.06-1.44) | |
| Current | 1.56 (1.23-1.97) | 1.32 (1.14-1.53) | 1.51 (1.26-1.81) | |
| Drinking (vs. Never/rare) | 0.52 | |||
| Former | 1.00 (0.76-1.32) | 1.08 (0.92-1.27) | 1.16 (0.98-1.37) | |
| Light | 0.75 (0.51-1.09) | 0.72 (0.58-0.89) | 0.91 (0.71-1.17) | |
| Medium | 0.73 (0.54-1.00) | 0.77 (0.65-0.92) | 1.02 (0.82-1.27) | |
| Heavy | 0.80 (0.59-1.08) | 0.88 (0.73-1.07) | 1.03 (0.82-1.30) | |
| Physical Activity | 0.15 | |||
| 2nd Tertile (2-2.75) | 0.79 (0.63-1.01) | 0.90 (0.78-1.03) | 1.03 (0.89-1.20) | |
| 3rd Tertile (2.75-5) | 0.76 (0.59-0.96) | 0.75 (0.65-0.86) | 0.94 (0.80-1.12) | |
| Energy intake (per 100 kcal) | 0.98 (0.96-1.00) | 1.00 (0.99-1.01) | 1.01 (1.00-1.02) | <0.005 |
*
Odds ratios calculated from model with BMI and variable interaction as well as all other covariates listed
†
P-value from likelihood ratio test for interaction between BMI category and corresponding variable.