同居關係是不同於一般約會、也不同於正式婚姻的親密關係，是相愛男女挑戰婚姻制度的另類選擇。此議題在國外雖已累積相當豐富的研究成果，但畢竟討論的現象是在其社會文化脈絡下產生的，對於台灣社會的同居情況仍然所知有限。本研究利用民國九十年「台灣社會變遷基本調查計劃」第四期二次的研究問卷I這份資料進行分析。試圖探討：影響婚前同居的背景因素、婚前同居對未來結婚的條件及結婚的理由的影響、以及婚前同居與婚姻態度的關係等。
研究結果發現，性別、年齡、教育程度以及是否初婚是影響個人婚前同居的重要背景變項。尤以年齡的影響最為顯著，年紀越輕者越可能同居，教育程度越低者同居的機率越高，再婚者更可能去體驗婚前同居，而且男性同居的機率是女性的1.6倍。婚前同居與否並不影響結婚條件。特別的是，婚前同居者的結婚理由顯得傳統與保守；反而是婚前没有同居的人，其結婚理由較傾向於兩人相愛這種揭露式的親密關係。至於婚前同居與婚姻態度方面，男性較具現代的婚姻觀，在婚姻滿意程度上也較女性為高；婚前曾與配偶同居者，其對婚姻的認知態度是較為現代的，但對婚姻的滿意程度卻較低。因此，婚前同居並無法增進婚姻關係，在此研究中只是婚姻歷程中的一個階段而已。

Cohabitation is viewed as a challenge to the marriage system and another choice for men and women deeply in love. Intimacy derived from cohabitation is different from that of dating or formal marriage. Although lots of studies have been conducted abroad on cohabitation-related issues, the circumstances discussed in these foreign studies are still generated in the cultural context, which provides very limited understanding of the cohabitation condition in Taiwan.
The data analyzed in this study is collected by the Taiwan Social Change Survey (the second wave of the fourth survey) Project, overseen by the Institute of Sociology, Academia Sinica in 2001. The purpose of this study is to analyze (1) the factors influencing individuals’ decision to cohabit with a partner before marriage, (2) the effect of premarital cohabitation on partner choices, (3) the reported reasons of getting married, and (4) premarital cohabitation and its influence on marital relationship.
The findings from regression estimation indicate that sex, age, education, and that whether is the first marriage or remarriage affected premarital cohabitation decision. In particular, the probability of premarital cohabitation varies inversely with age and education; younger the age and lower the educational rank the more possible to get cohabitation. And those who are in remarriages are more possible to experience a life of cohabitation. Men are 1.6 times more likely than women to have practiced premarital cohabitation. Premarital cohabitation has no effect on partner choices. Interesting enough that those who have premarital cohabitation experiences seems more traditional and conservative than those who have not, and those who have no premarital cohabitation experiences are more likely base their marriage foundation on disclosing intimacy. As regards the effect of premarital cohabitation on attitudes toward future marriage, men are more likely than women to have a modern point of view and more satisfactory about marriage than women. Subjects who cohabit with their future spouses have a modern point of view about marriage but have less satisfaction with marriage. Hence, premarital cohabitation does not improve marital relationship; it is merely a part of the course of marriage instead.

目　錄
第一章 緒論............. 1
第二章 文獻探討.......... 6
第一節 親密關係的轉變..... 6
第二節 婚前同居的相關文獻.. 8
第三節 研究假設...........16
第三章 研究方法.......... 19
第一節 資料來源.......... 19
第二節 變項的說明........ 20
第三節 樣本描述分析...... 26
第四節 分析的方法........ 29
第四章 結果與分析........ 31
第一節 個人婚前同居背景因素的分析.......... 31
第二節 個人背景因素、婚前同居與結婚條件的關係 ........36
第三節 個人背景因素、婚前同居與結婚理由的探討........ 39
第四節 個人背景因素、婚前同居與婚姻態度的關係........ 43
第五節 小結...................... 47
第五章 結論...................... 49
第一節 研究發現.................. 49
第二節 理論反省.................. 54
第三節 研究反省與建議............. 56

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