Reliability estimates
Internal consistencies for the community-dwelling older adults were: alpha for the physical domain = 0.629, 95% CI [0.560, 0.689] with CRI = 0.803; alpha for the psychological domain = 0.410, 95% CI [0.297, 0.508] and CRI = 0.662; and for the social domain, alpha = 0.315, 95% CI [0.174, 0.435] and CRI = 0.518. The estimates for the institutionalized older adults were: for the physical domain, alpha = 0.764, 95% CI [0.696, 0.820] and CRI = 0.894; the psychological domain had an alpha = 0.608, 95% and CI [0.487, 0.705] and CRI = 0.769; and finally, the alpha for the social domain was 0.378, 95% CI [0.126, 0.557] and CRI = 0.682.