Table 1 Health deficits included in the frailty index and their coding.
From: A frailty index to predict the mortality risk in a population of senior mexican adults
Variable | Values | Mean† |
|---|---|---|
Health problems before age 10 | ||
1. Tuberculosis | Yes = 1, No = 0 | 0.009 |
2. Rheumatic fever | Yes = 1, No = 0 | 0.015 |
3. Poliomyelitis | Yes = 1, No = 0 | 0.007 |
4. Typhoid fever | Yes = 1, No = 0 | 0.007 |
5. Serious head injury | Yes = 1, No = 0 | 0.049 |
6. Serious heath problem lasting at least one month | Yes = 1, No = 0 | 0.125 |
General Health | ||
7. Poor self-assessed health | Poor = 1, Fair = .75, Good = .5, Very Good = .25, Excellent = 0 | 0.049 |
Medically diagnosed conditions | ||
8. High blood pressure | Yes = 1, No = 0 | 0.438 |
9. Diabetes mellitus | Yes = 1, No = 0 | 0.179 |
10. Cancer | Yes = 1, No = 0 | 0.014 |
11. Chronic obstructive pulmonary disease | Yes = 1, No = 0 | 0.087 |
12. Heart attack | Yes = 1, No = 0 | 0.052 |
13. Stroke | Yes = 1, No = 0 | 0.039 |
14. Arthritis/Rheumatism | Yes = 1, No = 0 | 0.274 |
Other health problems | ||
15. Falls in the past two years | Yes = 1, No = 0 | 0.432 |
16. Fractures after age 50 | Yes = 1, No = 0 | 0.178 |
17. Vision problems | Legally blind = 1, Poor = .8, Fair = .6, Good = .4, Very Good = .2, Excellent = 0 | 0.503 |
18. Hearing problems | Legally deaf = 1, Poor = .8, Fair = .6, Good = .4, Very Good = .2, Excellent = 0 | 0.441 |
Medical symptoms during the past 2 years | ||
19. Severe fatigue | Yes = 1, No = 0 | 0.285 |
20. Panting, cough or phlegm | Yes = 1, No = 0 | 0.236 |
21. Involuntary urine loss | Yes = 1, No = 0 | 0.107 |
22. Leg pain on walking | Yes = 1, No = 0 | 0.476 |
23. Stomach pain, indigestion or diarrhea | Yes = 1, No = 0 | 0.214 |
24. Bodily pain | Frequent and severe = 1, Frequent and moderate = 2/3, Frequent and Mild = 1/3, Not frequent = 0 | 0.298 |
25. Depressive symptoms | One ninth for each positive answer if the participant felt: depressed, unhappy, lonely, tired, sad, did not enjoy life, had no energy, restless sleep, or thought that everything did was an effort. 0 = none of the above present | 0.427 |
Activities of daily living | ||
26. Difficulty with mobility | One fourth for positive answer if the participant had difficulty: picking up a 1-peso coin from the table, dressing including putting on shoes and socks, walking several blocks, walking across a room. 0 = none of the above | 0.233 |
27. Difficulty with taking a shower | Yes = 1, No = 0 | 0.105 |
28. Difficulty with eating | Yes = 1, No = 0 | 0.119 |
29. Difficulty with getting in and out of bed | Yes = 1, No = 0 | 0.074 |
30. Difficulty with going to the toilet | Yes = 1, No = 0 | 0.033 |
Instrumental activities of daily living | ||
31. Difficulty with meal preparation | Yes = 1, No = 0 | 0.083 |
32. Difficulty with shopping | Yes = 1, No = 0 | 0.065 |
33. Difficulty with taking medications | Yes = 1, No = 0 | 0.051 |
34. Difficulty with handling own finances | Yes = 1, No = 0 | 0.054 |