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. Author manuscript; available in PMC: 2016 Mar 1.
Published in final edited form as: J Gerontol A Biol Sci Med Sci. 2008 Oct;63(10):1089–1096. doi: 10.1093/gerona/63.10.1089

Table 4.

Incident 4-year Hospitalization by Frailty Status at Baseline. The 3C Study

Unadjusted Hospitalization
Odds Ratio 95% Confidence Interval p p global
 Frailty < .001
  Nonfrail (reference) 1 - -
  Prefrail 1.18 1.04–1.35 .012
  Frail 1.69 1.32–2.16 < .001
Adjusted
 Frailty .051
  Nonfrail (reference) 1 - -
  Prefrail 1.14 0.98–1.31 .081
  Frail 1.36 1.01–1.81 .042

Note: Adjusted by age, sex, education level, income, smoking status, drinker status, number of chronic diseases, self-reported health, Center for epidemiologic studies-depression scale (excluding the two questions included in the frailty definition), Mini-mental state examination score, and baseline disability (mobility, instrumental activities of daily living and basic activities of daily living).