| | Model 1: obesity | Model 1: 95% CI | Model 2: fully adjusted | Model 2: 95% CI |
| Obesity | | | | | BMI < 25 (ref) | 1.00 | | 1.00 | | Overweight (BMI = 25–29) | 1.33 | (1.23, 1.45) | 1.26 | (1.15, 1.37) | Obese (BMI = 30–39.9) | 2.26 | (2.08, 2.46) | 2.13 | (1.96, 2.32) | Class III obesity (BMI ≥ 40) | 4.29 | (3.80, 4.85) | 4.02 | (3.54, 4.58) |
| Age by decade | | | | | 50s (ref) | | | 1.00 | | 60s | — | | 1.37 | (1.25, 1.50) | 70s | — | | 1.55 | (1.40, 1.72) | 80+ | — | | 1.74 | (1.55, 1.95) | Height | — | | 0.99 | (0.97, 1.00) |
| Socioeconomic status | | | | | Education | | | | | Did not graduate high school | — | | 1.33 | (1.17, 1.52) | Graduated high school | — | | 1.16 | (1.05, 1.28) | Attended college or technical school | — | | 1.25 | (1.13, 1.38) | College or technical school graduate (ref) | — | | 1.00 | | Household income | | | | | $75,000 or more (ref) | — | | 1.00 | | $50,000 to less than $75,000 | — | | 1.47 | (1.27, 1.69) | $25,000–$49,999 | — | | 2.09 | (1.84, 2.36) | $15,000–$24,999 | — | | 2.47 | (2.15, 2.82) | <$15,000 | — | | 3.76 | (3.24, 4.37) | Missing | — | | 1.94 | (1.70, 2.22) |
| Household conditions | | | | | Marital status | | | | | Married at least once | — | | 1.28 | (1.09, 1.50) | Never married (ref) | — | | 1.00 | | Number of adults/households | | | | | 1 (ref) | — | | 1.00 | | 2 | — | | 0.92 | (0.85, 1.00) | ≥3 | — | | 1.06 | (0.95, 1.18) | Missing | — | | 1.18 | (1.05, 1.33) |
| Health plan | | | | | Yes (ref) | — | | 1.00 | | No | — | | 1.09 | (0.95, 1.26) | −2 log likelihood | 30315.5 | | 29299.2 | |
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