From: Operationalizing frailty among older residents of assisted living facilities
Criterion | Measure | CHS-specified1 absolute cut-points | AL population-based relative cut-points |
---|---|---|---|
Slow gait | Determined by taking the better of two timed 3-meter walks. | ≥ 7 seconds2, men ≤ 173 cm ≥7 seconds, women ≤159 cm ≥ 6 seconds, men > 173 cm ≥ 6 seconds, women > 159 cm | Slowest quartile 3 of walk times: > 9 seconds, men > 10 seconds, women |
Muscle weakness | Average of three grip strength readings using a handheld dynamometer.4 | BMI-specific thresholds: ≤ 29-32 kg, men ≤ 17-21 kg, women | Lowest quartile‡ of grip strength readings: < 15 kg, men < 7 kg, women |
Low physical activity | Reported minutes over two weeks per activity type - from the interRAI-AL "Exercise or Leisure Activities" 5 | Activities were mapped to Minnesota Leisure Time Activity Questionnaire.6 Kcals per week calculated based on the intensity codes: < 383 Kcals/week, men < 270 Kcals/week, women | < 140 minutes/two weeks (< 10 minutes/day on average7) |
Unintentional weight loss | Answer to question: "In the past year have you lost more than 10 pounds unintentionally" 8 | Response of Yes | Response of Yes |
Exhaustion | Answers to 3 questions: "In the past month, on average, have you been: 1) Feeling unusually tired during the day?; 2) Feeling unusually weak?; and/or, 3) Feeling an unusually low energy level?"9 | Response of Yes to any of the 3 questions | Response of Yes to any of the 3 questions |