Table 5.
Multivariate models of incident disability among participants in the 2006 wave of the Health and Retirement Study without dementia*
| Model 1† | Model 2‡ | Model 3§ | |
|---|---|---|---|
| COPD by cognition status | |||
| No COPD, normal cognition | Ref. | Ref. | Ref. |
| No COPD, mild cognitive impairment | 4.2 (3.4, 5.20) | 2.1 (1.6, 2.7) | 1.9 (1.5, 2.5) |
| COPD, normal cognition | 3.5 (2.6, 4.7) | 2.5 (1.8, 3.5) | 2.0 (1.5, 2.9) |
| COPD, mild cognitive impairment | 5.9 (3.9, 9.0) | 2.8 (1.8, 4.5) | 2.2 (1.4, 3.5) |
| Sociodemographics | |||
| Age, by year increment | 1.05 (1.04, 1.07) | 1.05 (1.03, 1.06) | |
| Female sex | 1.1 (0.9, 1.3) | 1.1 (0.9, 1.4) | |
| African American race | 1.1 (0.8, 1.4) | 1.0 (0.8, 1.4) | |
| Unmarried | 0.9 (0.7, 1.1) | 0.9 (0.8, 1.2) | |
| Education | |||
| High school | 0.8 (0.6, 0.9) | 0.9 (0.7, 1.1) | |
| Beyond high school | 0.5 (0.4, 0.7) | 0.6 (0.5, 0.8) | |
| Chronic diseases | |||
| Hypertension | 1.1 (0.9, 1.4) | ||
| Diabetes | 1.7 (1.4, 2.2) | ||
| Heart disease | 1.2 (0.9, 1.5) | ||
| Stroke | 2.0 (1.4, 2.9) | ||
| Cancer | 1.1 (0.7, 1.7) | ||
| Musculoskeletal disease | 1.6 (1.3, 2.0) | ||
| Psychiatric disease | 1.5 (1.1, 2.0) | ||
| Geriatric syndromes | |||
| Vision impairment | 1.6 (1.3, 2.1) | ||
| Hearing impairment | 1.4 (1.1, 1.7) | ||
| Urinary incontinence | 1.2 (0.9, 1.6) | ||
| Falls | 1.7 (1.4, 2.2) |
Definition of abbreviation: COPD = chronic obstructive pulmonary disease.
Note: n = 16,604. All entries represent odds ratio with 95% confidence interval in parentheses.
All models also adjusted for baseline disability.
Unadjusted.
Adjusted for five sociodemographic descriptors.
Adjusted for five sociodemographic descriptors, seven chronic diseases, and four geriatric syndromes.