Table 5.
Adjusted Mean Difference in Physical Function Score Associated With Select Characteristics by Multimorbidity Statusa
| Has 0–1 Condition | Has ≥2 Conditions | |
|---|---|---|
| Mean Difference (95% Cl) | Mean Difference (95% Cl) | |
| Intercept (β0)b | 74.4 (73.1, 75.7) | 62.9 (61.4, 64.3) |
| Current age | ||
| 80–84 years | Reference | Reference |
| 85–89 years | −7.6 (−8.6, −6.5) | −8.4 (−9.4, −7.4) |
| 90 years or more | −19.0 (−21.0, −17.0) | −18.1 (−19.6, −16.5) |
| Race/ethnicity | ||
| White | Reference | Reference |
| Black/African-American | +0.6 (−1.8, 3.0) | +3.6 (1.2, 5.9) |
| Hispanic/Latina | +0.7 (−3.4, 4.8) | +5.5 (1.9, 9.1) |
| Asian/Pacific-Islander | +1.5 (−1.6, 4.6) | +3.5 (−0.1, 7.0) |
| American Indian/Alaskan native | +2.0 (−9.5, 13.6) | +3.0 (−5.4, 11.3) |
| Highest education at baseline | ||
| Some college or higher | Reference | Reference |
| No college or less | −1.0 (−2.0, 0.04) | −1.4 (−2.4, −0.4) |
| Smoking status | ||
| Never | Reference | Reference |
| Past | −1.8 (−2.7, −0.8) | −1.4 (−2.3, −0.4) |
| Current | −1.4 (−6.3, 3.4) | −6.1 (−10.4, −1.8) |
| Physical activityc | ||
| Per 1 MET-h/wk increase | +0.29 (0.25, 0.32) | +0.31 (0.27, 0.34) |
| Body mass index categories | ||
| Normal | Reference | Reference |
| Underweight | −1.1 (−4.5, 2.3) | −3.8 (−7.2, −0.4) |
| Overweight | −7.1 (−8.1, −6.0) | −6.5 (−7.5, −5.4) |
| Obese | −18.1 (−19.4, −16.7) | −17.1 (−18.3, −15.9) |
| High blood pressure and/or cholesterol | ||
| No | Reference | Reference |
| Yes | −3.9 (−5.0, −2.9) | −5.0 (−6.2, −3.9) |
Notes: CI = confidence interval; MET = metabolic equivalent.
aAdjusted for all other factors listed.
bMean physical function score of women inclusive of all reference groups.
cCentered at mean value of 13.8 MET-h/wk.