Table 2.
Results of the logistic regression model for incidence of disability on IADL in a 6-year period among non-disabled participants at baseline; SABE Study, city of São Paulo, Brazil, 2000 and 2006
| Variable | Unadjusted OR | P value | Adjusted OR* | P value |
|---|---|---|---|---|
| Nutritional status | ||||
| Ideal weight | 1·00 | – | 1·00 | – |
| Underweight | 1·81 | 0·040 | 2·03 | 0·034 |
| Overweight | 1·61 | 0·122 | 1·47 | 0·250 |
| Obesity | 1·97 | 0·005 | 1·79 | 0·022 |
| Female | 1·66 | 0·025 | 1·58 | 0·074 |
| Age ≥75 years | 3·87 | 0·000 | 4·40 | 0·000 |
| Number of chronic conditions | ||||
| No disease | 1·00 | – | 1·00 | – |
| One disease | 1·09 | 0·747 | 0·97 | 0·917 |
| Two or more diseases | 2·11 | 0·001 | 1·64 | 0·112 |
| Osteoarthritis | 2·02 | 0·002 | 1·48 | 0·199 |
| Stroke | 3·69 | 0·011 | 5·41 | 0·002 |
| MMSE score | 0·90 | 0·025 | 0·92 | 0·076 |
IADL, instrumental activities of daily living; SABE, Saúde, Bem-Estar e Envelhecimento (Health, Wellbeing and Ageing); MMSE, Mini Mental State Examination, modified.
*Hosmer–Lemeshow goodness-of-fit test (P = 0·468).