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. Author manuscript; available in PMC: 2018 Nov 1.
Published in final edited form as: J Am Geriatr Soc. 2017 Sep 5;65(11):2473–2479. doi: 10.1111/jgs.15003

Table 3.

Age-Adjusted and Multivariable Model Predictors of Improvement in Frailty Status from Visit 1 to Visit 2

Prefrail to robust Frail to prefrail or robust
Adjusted1
OR (95% CI)
Multivariable
OR (95% CI)
Adjusted1
OR (95% CI)
Multivariable
OR (95% CI)
Albumin < 4 g/dL 0.2 (0.1, 0.7) 0.2 (0.1, 0.8)
IL-6 highest quartile 0.3 (0.1, 0.7) 0.3 (0.1, 0.7)
COPD 0.3 (0.1, 0.7) 0.3 (0.1, 0.9)
Diabetes Mellitus 0.3 (0.1, 0.8) 0.2 (0.1, 0.8)
Any IADL limitations 0.4, (0.2, 0.5) 0.5 (0.3, 0.8) 0.3 (0.2, 0.6) 0.4 (0.2, 0.8)
Leg power (W)2 1.6 (1.4, 1.8) 1.5 (1.2, 1.7) 2.1 (1.4, 3.1) 2.0 (1.2, 3.3)
Married 1.6 (1.1, 2.2) 1.5 (1.02, 2.2) 4.3 (1.9, 10.5) 3.6 (1.1, 11.7)
Self-reported health (good/excellent) 2.2 (1.5, 3.2) 1.6 (1.03, 2.6)
1

Adjusted for age and site

2

The effect estimates (ORs) for all continuous variables were expressed per standard deviation increment, except age, which was expressed per one-year increment. For continuous variables, odds ratios refer to increments of one standard deviation.

OR = odds ratio; COPD = chronic obstructive pulmonary disease; IADL = instrumental activities of daily living