Table 6.
Authors | Content Validity |
---|---|
Gobbens et al1 | Determined by representatives of professional disciplines and people aged ≥75 years |
Theou et al46 | The TFI records items referring to limitations in self-rated health, nutrition, mobility, energy, cognition, mood |
Andreasen et al48 | Determined by interviewing frail community-dwelling older people: the majority of important frailty items were covered by the TFI; pain, sleep quality, meaningful activities and spirituality are not present in the TFI |
Face Validity | |
Gobbens et al1 | Checked by participants at geriatric meetings |
Andreasen et al8 | A pretest was performed by cognitive interviewing. The TFI was translated and adapted in such a manner that it can be implemented and further tested in clinical practice |
Structural Validity | |
Vrotsou et al14 | Confirmatory factor analysis) (CFA) showed that fit indexes of a second-order model of three factors (frailty domains) were acceptable |
Known-Groups Validity | |
Vrotsou et al14 | Total and physical frailty scores differentiated well between frail and non-frail people defined by the GFST and the SPPB |
Abbreviations: GFST, Gérontopôle Frailty Screening Tool; SPPB, Short Physical Performance Battery.