本研究旨在探討婚前性行為及婚姻態度對婚姻不穩定的影響，婚姻態度分為認知層面的婚姻的評價及婚姻的快樂程度和意向層面的婚姻長久維繫的意向。本研究使用次級資料庫的數據進行分析，針對全臺灣20歲至65歲已婚男性和已婚女性為對象，共有859位。研究發現如下：
一、現況
（一）婚前性行為情形：已婚男女51.1%有婚前性行為，其中男性、年齡越輕、教育程度越高、無宗教信仰者婚前性行為比例高。
（二）婚姻態度情形：已婚男女婚姻的評價普遍較低、婚姻的快樂程度普遍較高。性別上，婚姻的評價及婚姻的快樂程度已婚男性皆較為已婚女性正向。年齡與婚姻的評價及婚姻的快樂程度皆有正相關，而年齡與婚姻長久維繫的意向呈現負相關。教育程度與婚姻的評價有負相關，而教育程度與婚姻長久維繫的意向有正相關。宗教信仰上，信奉佛教者其婚姻的評價顯著較無宗教信仰者來得正向。
（三）婚姻不穩定情形：已婚男女20.5%婚姻不穩定，其中女性婚姻不穩定比例較高，年齡、教育程度及宗教信仰對婚姻不穩定沒有影響。
二、婚姻態度分析
（一）婚前性行為負向影響已婚女性婚姻態度認知層面的婚姻的評價及婚姻的快樂程度
（二）婚前性行為對已婚男性婚姻態度皆無影響
三、婚姻不穩定分析
（一）已婚女性婚姻不穩定受婚前性行為影響
（二）已婚男性婚姻不穩定受婚姻態度認知層面的婚姻的評價及婚姻的快樂程度影響

關鍵字：婚姻不穩定、婚前性行為、婚姻態度、已婚男女

This study aims to explore the influence of premarital sexual behavior and attitudes toward marriage upon marital instability. There are two dimensions in marriage attitudes: cognition and intention. Cognition includes marriage valuation and the degree of marital happiness. Intention includes the intention to maintain a lasting marriage. Data from the secondary database had been used in this study in analyzing 859 Taiwanese married men and women aging between 20 and 65. The results of this study are as following.
1.Analysis of Current Status
(1)Premarital sexual behavior: 51.1% of married men and women have premarital sex experiences, among which male, the young, the highly educated and the non-religious are to higher proportion.
(2)Attitudes toward marriage: In general, married men and women have lower marriage valuation but have higher degree of marital happiness. In gender, marriage valuation and the degree of marital happiness of married men are higher than that of married women’s. In age, it shows a positive correlation with marriage valuation and the degree of marital happiness while the intention to maintain a lasting marriage says otherwise. Negative correlation was found between the degree of education and the marriage valuation, on the other hand, it is positively related to the intention to maintain a lasting marriage. In terms of religion, Buddhists have a significantly more positive valuation of marriage than those who are non-religious.
(3)Marital instability: 20.5% of married men and women are facing marital instability. While female has a higher proportion of marital instability, other factors such as age, education degree and religion have no visible effect.
2.Analysis of Attitudes toward Marriage
(1)Premarital sexual behavior results in married women’s negative attitudes toward marriage in marriage valuation and the degree of marital happiness.
(2)No association was found between premarital sexual behavior and all three dimensions of married men’s attitudes toward marriage.
3.Analysis of Marital Instability
(1)Married women's marital instability is affected by premarital sexual behavior.
(2)Married men's marital instability is affected by attitudes towards marriage including marriage valuation and the degree of marital happiness.

Keywords: marital instability, premarital sexual behaviors, attitudes toward marriage, married men and women

第一章　緒論 1
第一節　研究背景與動機 1
第二節　研究目的 5
第三節　研究問題 5
第四節　名詞釋義 6
壹、婚前性行為（Premarital Sexual Behaviors） 6
貳、婚姻態度（Attitudes toward marriage） 6
參、婚姻不穩定（Marital Instability） 6
第二章　文獻探討 7
第一節　婚前性行為 7
壹、婚前性行為的定義與內涵 7
貳、國內婚前性行為研究 8
參、個人背景變項與婚前性行為 11
第二節　婚姻態度 14
壹、婚姻態度的定義與內涵 14
貳、婚前性行為與婚姻態度 20
參、個人背景變項與婚姻態度 22
第三節　婚姻不穩定 25
壹、婚姻不穩定的定義及內涵 25
貳、婚前性行為與婚姻不穩定 27
參、婚姻態度與婚姻不穩定 33
肆、個人背景變項與婚姻不穩定 35
第三章　研究設計 37
第一節　研究架構 37
第二節　研究假設 38
第三節　資料來源與研究對象 39
壹、資料來源 39
貳、抽樣方法 39
第四節　研究變項及測量 41
壹、主要變項 41
貳、個人背景變項 44
第五節　資料處理 45
第四章　研究結果 47
第一節 樣本背景資料分析 47
第二節 婚前性行為與婚姻態度之分析 50
第三節 婚姻不穩定之分析 66
第四節 影響婚姻態度之迴歸分析 71
第五節 影響婚姻不穩定之迴歸分析 85
第五章　結論與建議 96
第一節 研究結論 96
第二節 研究建議 100
第三節 研究限制 107
參考文獻 110
附錄 119

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