本研究目的探討臺灣地區成年人背景因素、健康行為鎮靜安眠藥知識、效能與過去一年內使用鎮靜安眠藥之相關性。以2015年國範文教基金會調查的問卷資料，進行次級資料分析。研究樣本為897名20歲以上的成年人。主要發現過去一年內使用鎮靜安眠藥比例為25.4%。女性、65歲以上、低教育程度、有睡眠不良及因睡眠不良而就醫，有較高比例曾於過去一年內使用鎮靜安眠藥。64歲以下、居住六都、中高教育程度、曾經喝過酒，鎮靜安眠藥知識題分數較高。女性、居住六都、中高教育程度、不曾吸菸、沒有睡眠不良，正確使用鎮靜安眠藥效能題把握度較高。多元邏輯回歸分析結果，鎮靜安眠藥知識題分數越低，目前睡眠不良者，在過去一年內使用鎮靜安眠藥風險較高。建議政府持續推廣鎮靜安眠藥正確使用方法。

The purpose of this study was to examine the associations between knowledge, efficacy, and use of sedative-hypnotics in the past year among adults in Taiwan. This study used secondary data from an investigation conducted by GUO VAN Foundation in 2015. Study sample included 897 subjects who were 20 years old or more in Taiwan. The main results are as follows: 1. 25.4% of study sample used sedative-hypnotics in the past year. 2. Women, those 65 years old or more, those with low education level, with poor sleep quality, and with poor sleep quality without seeking medical advice, were more likely to use sedative-hypnotics in the past year. 3. The knowledge on sedative-hypnotics use was associated with age, residence, education level, or smoke (p＜0.05). 4. The efficacy of sedative-hypnotics use was associated with gender, residence, drinking, or sleep quality (p＜0.05).5. Subjects with lower level of knowledge or poorer sleep quality might have a higher odds of using sedative-hypnotics. Based on the finding, suggest that government promote Correct use sedative-hypnotics.