Table 3. Distribution of the variables of health needs according to cost-related underuse of medications. Brazilian Longitudinal Study of Aging (ELSI-Brazil), 2015–2016. (n = 6,014).
| Predisposing variables | Study populationb | Underuse of medicationsc (%) | PRd | 95%CI | pe |
|---|---|---|---|---|---|
| Self-rated health | < 0.001 | ||||
| Very good/Good | 2,299 | 4.3 | 1.00 | ||
| Fair | 2,905 | 11.9 | 2.75 | 2.16–3.53 | |
| Poor/Very poor | 810 | 24.9 | 5.76 | 4.44–7.47 | |
| Hypertensiona | |||||
| No | 1,880 | 11.7 | 1.00 | ||
| Yes | 4,134 | 10.6 | 0.92 | 0.77–1.11 | 0.293 |
| Diabetesa | |||||
| No | 4,718 | 10.5 | 1.00 | ||
| Yes | 1,296 | 11.1 | 1.05 | 0.86–1.30 | 0.623 |
| Depressiona | < 0.001 | ||||
| No | 4,685 | 7.9 | 1.00 | ||
| Yes | 1,329 | 19.9 | 2.51 | 2.11–2.98 |
a Previous medical diagnosis
b Unweighted.
c Weighted by sampling design .
d PR (95%CI): prevalence ratio (95% confidence interval), estimated by Poisson regression model with robust variance.
e Pearson’s chi-square test with Rao-Scott correction.