Research Article
Prevalence of Chronic Pain, Treatments, Perception, and Interference on Life Activities: Brazilian Population-Based Survey
Table 1
Sample characterization by Brazilian region.
| | Contacts | Respondents | Age in years | Female gender | (%) | Mean (CI 95%) | (%) |
| Northern | 59 | 33 (56) | 36.8 (32.6–41.0) | 17 (52) | Northeastern | 138 | 96 (70) | 36.3 (33.9–38.7) | 49 (51) | Midwest | 32 | 17 (53) | 37.8 (28.1–47.6) | 9 (56) | Southeastern | 577 | 517 (90) | 38.2 (37.1–39.3) | 269 (52) | Southern | 118 | 60 (51) | 39.0 (35.6–42.4) | 29 (48) |
| Total | 924 | 723 (78) | 37.9 (37.0–38.9) | 373 (52) |
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