Table 2.
Results From Ordinal Logistic Regression Models Fit to the Number of Odors Identified Correctly (five odors total, N = 2,928)
| Covariates | Odds Ratio (95% Confidence Interval), p Value | |||
|---|---|---|---|---|
| Model 1 | Model 2 | Model 3 | Model 4 | |
| Age (decades) | 0.48 (0.42, 0.54), <.001 | 0.48, (0.42, 0.54), <.001 | 0.52 (0.46, 0.60), <.001 | 0.52 (0.46, 0.59), <.001 |
| Sex (men vs women) | 0.70 (0.62, 0.80), <.001 | 0.70 (0.62, 0.79), <.001 | 0.65 (0.56, 0.75), <.001 | 0.68 (0.58, 0.79), <.001 |
| Race or ethnicity (vs white) | ||||
| All non-White | 0.53 (0.42, 0.65), <.001 | |||
| African American | 0.46 (0.33, 0.63), <.001 | 0.61 (0.46, 0.81), .001 | 0.61 (0.46, 0.82), .001 | |
| Hispanic, non-African American | 0.63 (0.45, 0.89), .009 | 0.91 (0.65, 1.29), .59 | 0.94 (0.65, 1.35), .73 | |
| Others | 0.55 (0.29, 1.02), .06 | 0.62 (0.36, 1.08), .09 | 0.66 (0.40, 1.09), .10 | |
| Cognition (SPMSQ*) | 1.32 (1.21, 1.43), <.001 | 1.30 (1.19, 1.41), <.001 | ||
| Education† | 1.16 (1.07, 1.27), .001 | 1.14 (1.04, 1.24), .006 | ||
| Household assets (log10) | 1.07 (0.95, 1.19), .27 | 1.02 (0.91, 1.15), .68 | ||
| Self-rated physical health‡ | 1.13 (1.02, 1.25), .02 | |||
| Comorbidity index | 1.04 (0.98, 1.10), .16 | |||
| Depressive symptoms | 0.78 (0.61, 1.01), .06 | |||
| Anxiety symptoms | 1.28 (1.02, 1.61), .04 | |||
| Perceived stressors | 0.94 (0.76, 1.16), .54 | |||
| Current smoker | 0.94 (0.75, 1.19), .61 | |||
| Problem drinking | 0.88 (0.71, 1.09), .24 | |||
*SPMSQ = Short Portable Mental Status Questionnaire.
†Treated as a continuous measure using integer scores for educational level.
‡Treated as a continuous measure using integer scores for health level (higher scores, better health).