Table 2.
The associations between background factors and the two IV-related dependent variables (n = 6,922).
| IV uptake during the COVID-19 outbreak |
Intention of IV uptake in the next 12 months |
|
|---|---|---|
| ORu (95% CI) | ORu (95% CI) | |
| Sex | ||
| Female | 1 | 1 |
| Male | 2.29 (1.72, 3.04)*** | 1.26 (1.14, 1.40)*** |
| Age | 0.92 (0.83,1.02) | 0.96 (0.93,0.99)* |
| Ethnicity | ||
| Han | 1 | 1 |
| Others | 1.59 (1.11, 2.28)* | 1.15 (0.99, 1.32) |
| Study major | ||
| Arts | 1 | 1 |
| Social Sciences | 0.84 (0.42,1.69) | 1.04 (0.81,1.35) |
| Business | 0.96 (0.50,1.85) | 1.34 (1.05,1.72)* |
| Science | 0.75 (0.42,1.34) | 1.04 (0.85,1.28) |
| Engineering | 0.61 (0.34,1.09) | 0.98 (0.80,1.19) |
| Medicine | 0.76 (0.50,1.14) | 1.01 (0.86,1.18) |
| Others | 1.06 (0.50,2.26) | 0.92 (0.68,1.25) |
| Grade | ||
| Postgraduate | 1 | 1 |
| Fourth/final year | 0.85 (0.25, 2.92) | 1.08 (0.68, 2.16) |
| Third year | 0.73 (0.22, 2.45) | 1.13 (0.72, 1.78) |
| Second year | 0.71 (0.22, 2.34) | 1.13 (0.73, 1.77) |
| First year | 1.10 (0.34, 3.54) | 1.39 (0.89, 2.16) |
| Studied province | ||
| Guangdong | 1 | 1 |
| Inner Mongolia | 2.54 (1.23, 5.26)* | 1.22 (1.00, 1.49)* |
| Henan | 1.58 (0.74, 3.39) | 1.28 (1.04, 1.57)* |
| Zhejiang | 1.96 (0.88, 4.37) | 1.14 (0.91, 1.43) |
| Yunnan | 2.12 (0.96, 4.71) | 1.28 (1.02, 1.60)* |
| IV during the 12-month period prior to the COVID-19 outbreak¶ | ||
| No | 1 | – |
| Yes | 76.82 (54.99,107.31)*** | |
| Past IV behavior prior to or during the COVID-19 outbreak† | ||
| No | – | 1 |
| Yes | 1.98 (1.61,2.43)*** |
Notes: ORu, univariable odds ratio; CI, confidence interval; IV, influenza vaccination. *, p <.05; **, p <.01; ***, p <.001. ¶, The period starts from January to December 2019. †, The period starts from January 2019 till November 2020.