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Published on 23 de septiembre de 2026 | http://doi.org/10.5867/medwave.2026.08.3234
Post-COVID symptoms prevalence, latent class pattern, and functional impact: A population-based cross-sectional study in two Chilean cities, 2024
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Multinomial logistic regression analysis of classes of symptoms compatible with post-COVID-19 condition.
| RRR | p-value | 95% CI | RRR | p-value | 95% CI | |
| Age | 0.95 | 0.04 | 0.90 to 0.99 | 0.92 | 0.03 | 0.86 to 0.99 |
| Female | 2.97 | 0.09 | 0.83 to 10.61 | 6.88 | 0.24 | 0.27 to 174.70 |
| Indigenous affiliation | 3.18 | 0.18 | 0.56 to 17.95 | 10.98 | 0.01 | 1.74 to 69.44 |
| Higher technical education | 0.08 | 0.00 | 0.01 to 0.42 | 0.45 | 0.49 | 0.04 to 4.75 |
| Professional/postgraduate | 1.34 | 0.65 | 0.37 to 4.80 | 1.51 | 0.68 | 0.21 to 11.10 |
| ≥2 COVID-19 episodes | 1.32 | 0.72 | 0.29 to 6.03 | 3.83 | 0.18 | 0.52 to 28.08 |
| Tobacco use | 0.93 | 0.92 | 0.25 to 3.43 | 1.13 | 0.91 | 0.13 to 9.79 |
| Hospitalization | 0.32 | 0.38 | 0.02 to 4.13 | 12.90 | 0.14 | 0.44 to 378.20 |
| Diabetes | 35.25 | 0.00 | 3.57 to 348.00 | 11.75 | 0.02 | 1.44 to 95.84 |
| BMI | 0.83 | 0.00 | 0.75 to 0.93 | 0.85 | 0.08 | 0.70 to 1.02 |
RRR: relative rate ratio; CI: confidence interval; BMI: body mass index.
Source: Prepared by the authors of this study.