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Table 1 Basic attributes of analyzed participants and subjects excluded due to invalid responses or lost to follow-up

From: Association between stairs in the home and instrumental activities of daily living among community-dwelling older adults

  Analyzed subjects Excluded subjects P a
(n = 6722) (n = 2552)
Gender: men 43.5% 46.1% 0.023
Age: 75 years or older 36.6% 50.7% < 0.001
Studied area: B Town 17.1% 18.8% 0.058
Subjects with poor BADL 19.1% 23.0% < 0.001
Subjects with poor cognitive functioning 13.7% 20.5% < 0.001
Subjects with depression 19.7% 27.5% < 0.001
Subjects with poor self-rated health 12.7% 18.7% < 0.001
  1. BADL, basic activities of daily living
  2. aDifferences between the two groups were analyzed using Fisher’s exact test