Estudios originales

Preventive behaviors for COVID-19 in Chile: Lessons from a population follow-up for 2021 and 2022

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Multiple linear regression model of the preventive practices scores, years 2021 to 2022, Chile.
VariablesYear 2021Year 2022
Coefficientp-value95% CICoefficientp-value95% CI
CityCoquimbo - La SerenaRef.Ref.
Talca0.150.50-0.29 to 0.59-0.000.94-0.35 to 0.32
GenderMaleRefRef
Female0.700.000.27 to 1.130.350.05-0.00 to 0.70
Age7 to 19refRef
20 to 29-0.590.20-1.49 to 0.31-0.250.51-0.99 to 0.49
30 to 490.370.35-0.42 to 1.170.660.040.00 to 1.32
50 to 590.020.96-0.89 to 0.850.450.23-0.29 to 1.18
60 and above0.280.53-0.60 to 1.160.390.32-0.37to 1.15
Body Mass Index (not included underweight)NormalRefRef
Overweight/obesity0.520.030.06 to 0.98-0.080.68-0.46 to 0.30
ComorbidityNoRef
Yes0.170.46-0.28 to 0.620.250.19-0.12 to 0.62
In-person workNoRef.Ref
Yes-0.110.66-0.57 to 0.36-0.250.17-0.60 to 0.11
Episodes of illnessNoref.Ref
Yes-0.050.80-0.47 to 0.37-0.180.31-0.52 to 0.17
VaccineNoRef.Ref.
Basal scheme (1 or 2 doses)-0.570.40-1.90 to 0.77-0.910.34-2.79 to 0.97
Basal scheme + 2 boosters0.120.87-1.27 to 1.51-0.920.31-2.68 to 0.85
Basal scheme + 1 booster-0.690.44-2.46 to 1.08

CI, confidence interval.

Source: Prepared by the authors based on the results of the study.