Table 2. Unadjusted and adjusted prevalence ratios (PRs) and 95% confidence interval (CI) of antibiotic use according to study variables. Metropolitan Region of Manaus, 2015 (n = 4,001).
| Characteristics | PR (95% CI) | P-value | Adjusted PR (95% CI) | P-value |
|---|---|---|---|---|
| Sex | <0.001 | 0.011 | ||
| Male | 1.00 | 1.00 | ||
| Female | 1.70 (1.20-2.40) | 1.58 (1.11-2.24) | ||
| Age (years) | 0.731 | |||
| 18-24 | 1.00 | |||
| 25-34 | 1.15 (0.72-1.83) | |||
| 35-44 | 1.09 (0.66-1.81) | |||
| 45-59 | 0.85 (0.49-1.47) | |||
| 60 and over | 0.83 (0.42-1.64) | |||
| Social class | 0.181 | 0.393 | ||
| A/B | 1.00 | 1.00 | ||
| C | 1.41 (0.82-2.44) | 1.32 (0.77-2.28) | ||
| D/E | 1.71 (0.96-3.05) | 1.50 (0.84-2.67) | ||
| Education | 0.379 | |||
| Higher education or above | 1.00 | |||
| High school | 1.55 (0.57-4.18) | |||
| Elementary school | 1.04 (0.36-3.06) | |||
| Less than elementary school | 1.27 (0.46-3.51) | |||
| Health status | 0.020 | 0.059 | ||
| Good | 1.00 | 1.00 | ||
| Fair | 1.63 (1.15-2.32) | 1.52 (1.08-2.15) | ||
| Poor | 1.42 (0.75-2.72) | 1.28 (0.66-2.47) | ||
| Healthcare service use over the last 15 days | 0.465 | |||
| Did not use | 1.00 | |||
| Used | 1.16 (0.78-1.71) | |||