Table 2. Results of the unadjusted analysis of the association between frailty and sociodemographic characteristics, health behaviors and conditions. The Brazilian Longitudinal Study of Aging (ELSI-Brazil), 2015–2016.
| Variable | Prevalence | Prevalence ratio | ||
|---|---|---|---|---|
|
|
|
|||
| % | 95%CI | PRd | 95%CIe | |
| Age (years) | ||||
| 50–59 | 4.3 | 3.7–5.1 | 1 | |
| 60–69 | 8.1 | 6.9–9.5 | 1.87 | 1.49–2.34b |
| 70 or older | 20.9 | 18.1–24.0 | 4.82 | 3.99–5.83b |
| Gender | ||||
| Male | 8.5 | 7.3–9.8 | 1 | |
| Female | 9.5 | 8.2–11.0 | 1.12 | 0.94–1.34 |
| Lives with a partner | ||||
| No | 11.6 | 10.2–13.0 | 1 | |
| Yes | 7.6 | 6.7–8.7 | 0.66 | 0.59–0.74b |
| Education (years of schooling) | ||||
| 0–3 | 14.5 | 12.4–16.8 | 1 | |
| 4–7 | 8.4 | 7.3–9.7 | 0.58 | 0.47–0.71b |
| 8–11 | 5.3 | 4.0–6.9 | 0.36 | 0.28–0.47b |
| 12 or more | 3.3 | 1.8–6.1 | 0.23 | 0.13–0.43b |
| Perceived income sufficiency | ||||
| Always enough | 7.8 | 6.4–9.4 | 1 | |
| Sometimes it’s enough | 8.3 | 6.9–10.0 | 1.07 | 0.84–1.37 |
| Never enough | 10.5 | 9.2–11.9 | 1.35 | 1.14–1.61c |
| Current smoker | ||||
| No | 9.0 | 7.9–10.2 | 1 | |
| Yes | 9.2 | 7.8–10.8 | 1.03 | 0.87–1.21 |
| Self-rated health | ||||
| Good | 4.4 | 3.4–5.5 | 1 | |
| Regular | 9.0 | 7.9–10.2 | 2.07 | 1.64–2.61a |
| Poor | 27.0 | 24.1–30.2 | 6.21 | 5.03–7.67a |
| Number of chronic diseasesf | ||||
| One or none | 5.8 | 4.7–7.2 | 1 | |
| Two or more | 14.7 | 13.2–16.5 | 2.54 | 2.05–3.15a |
| Difficulty performing BADLg | ||||
| No | 5.8 | 4.9–6.8 | 1 | |
| Yes | 28.1 | 25.2–31.1 | 4.87 | 4.06–5.83a |
a p < 0.001
b p < 0.01
c p < 0.05
d Prevalence ratio.
e Estimated 95% confidence intervals.
f History of medical diagnosis of hypertension, diabetes, heart disease, chronic lung disease, stroke, arthritis, asthma, cancer, and kidney disease.
g Difficulty in performing one of the following basic activities of daily living (BADL): bathing, dressing, eating, using the toilet, getting out of bed, crossing a room on the same floor.