Table 3 Forward Stepwise Logistic Regression Analysis for Variables Predicting COVID-19 Vaccination Intent
From: Investigating the tendency to use COVID-19 vaccine booster dose in Iran
Predictor variable | Adjusted Logistic regression | Un-adjusted Logistic regression | |||
|---|---|---|---|---|---|
OR (95% CI) | P-value | OR (95% CI) | P-value | ||
Age | 1.02 (1.01, 1.04) | 0.006 | |||
Sex | Male | 1.98 (1.37, 2.86) | p < 0.001 | 1.75 (1.24, 2.47) | 0.001 |
Female | 1 | 1.00 | |||
Marital status | Married | 1 | 1.00 | ||
Single | 1.72 (0.75, 3.92) | 0.199 | |||
Others | 2.38 (1.10, 5.14) | 0.028 | |||
Education | diploma | 1 | 1.00 | ||
bachelor | 0.72 (0.39, 1.32) | 0.287 | |||
master | 0.68 (0.46, 0.99) | 0.048 | |||
doctorate | 0.73 (0.46, 1.15) | 0.171 | |||
Healthcare worker | Yes | 1.11 ( 0.80, 1.54) | 0.53 | ||
No | 1 | 1.00 | |||
History of chronic disease+ | Yes | 1.20 (0.79, 1.83) | 0.388 | ||
No | 1 | 1.00 | |||
History of COVID-19 disease | Yes | 0.79 (0.56, 1.12) | 0.179 | ||
No | 1 | 1.00 | |||
Family history of COVID-19 disease | Yes | 0.51 (0.65, 2.41) | 0.509 | ||
No | 1.00 | ||||
Received a flu vaccine | Yes | 1.59 (1.09, 2.30) | 0.015 | 1.88 (1.32, 2.66) | p < 0.001 |
No | 1 | 1.00 | |||
Prosocial norms | 2.10 (1.75, 2.54) | p < 0.001 | |||
Perceived benefits of COVID-19 vaccination | 0.70 (0.56, 0.89) | 0.003 | 1.38 (1.16, 1.64) | p < 0.001 | |
COVID-19 risk-reduction habits | 1.17 (0.94, 1.46) | 0.168 | |||
COVID-19 vaccine safety/cost concerns | 1.66 (1.32, 2.11) | p < 0.001 | 1.96 (1.58, 2.42) | p < 0.001 | |
Preference for COVID-19 vaccine alternatives | 1.56 (1.25, 1.95) | p < 0.001 | |||
Perceptions of COVID-19 | 1.47 (1.14, 1.89) | 0.003 | |||