Multivariate logistic regression analysis for attitude
| Attitude | Variables | Multivariate analysis | ||
| OR | 95% CI | P value | ||
| Knowledge | 1.050 | 1.007 to 1.094 | 0.022 | |
| Age | 0.974 | 0.947 to 0.999 | 0.048 | |
| Gender | ||||
| Male | 0.625 | 0.368 to 1.041 | 0.076 | |
| Female | Reference | |||
| Education | ||||
| Junior high school or below | Reference | |||
| High school/vocational school | 1.400 | 0.620 to 3.185 | 0.418 | |
| College/Bachelor’s degree | 1.134 | 0.537 to 2.480 | 0.746 | |
| Master’s degree and above | 1.173 | 0.282 to 4.158 | 0.812 | |
| Employment | ||||
| Employed | 0.692 | 0.440 to 1.079 | 0.107 | |
| Unemployed | Reference | |||
| Smoking | ||||
| Never smoked | Reference | |||
| Former smoker | 1.387 | 0.704 to 2.681 | 0.335 | |
| Current smoker | 0.668 | 0.321 to 1.319 | 0.260 | |