本研究旨在探討國中學生背景因素、電子煙媒體暴露、素養、態度與電子煙使用行為及意圖之關係。調查新北市、桃園市及宜蘭市國中一年級學生，以自填式問卷進行調查，共1951份有效問卷。研究結果發現如下：
1. 國中一年級學生曾經使用電子煙者42人（2.2%）。
2. 雙變項分析結果顯示，學生為男性、成績為後段、家庭經濟狀況為低與中低收入、電子煙媒體暴露越高、電子煙情感媒體素養越低、電子煙廣告效果越高與電子煙結果期待越高者，其曾經使用電子煙的比率較高。
3. 邏輯複迴歸分析結果顯示學生電子煙情感媒體素養越低與電子煙廣告效果越高者越易有曾經使用電子煙情形。
4. 複迴歸分析結果顯示，學生電子健康素養越低與電子煙廣告效果越高者，其一年內使用電子煙意圖越大。
建議政府落實禁止電子煙等新興菸品行銷訊息，加強違規行銷查緝。學校強化電子煙媒體素養教育，以降低電子煙對兒童與青少年的危害。

This study examined the relationships between background factors, e-cigarette media exposure, literacy, attitudes, and e-cigarette use behavior and intentions among junior high school students. A survey was conducted using self-administered questionnaires among seventh-grade students in New Taipei City, Taoyuan City, and Yilan City, yielding 1951 valid responses. The findings were as follows:
1. Overall, 42 students (2.2%) reported having used e-cigarettes.
2. Bivariate analysis results showed that male students, those with lower academic performance, students from lower and middle-low-income families, those with higher e-cigarette media exposure, lower attitudinal media literacy regarding e-cigarettes, higher perceived effects of e-cigarette advertising, and higher outcome expectations from e-cigarettes had a higher rate of e-cigarette use.
3. Multiple logistic regression analysis results indicated that students with lower attitudinal media literacy regarding e-cigarettes and higher perceived effects of e-cigarette advertising were more likely to have used e-cigarettes.
4. Multiple regression analysis results showed that students with lower e-health literacy and higher perceived effects of e-cigarette advertising had a greater intention to use e-cigarettes within the next year.
It is recommended that the government enforce bans on e-cigarettes marketing. Schools should strengthen e-cigarette media literacy education to reduce the harm of e-cigarettes to children and adolescents.

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