[[abstract]]生活型態的變遷導致國人的飲食漸趨向西方飲食習慣，以往所遭遇到的營養不足、飲食衛生不佳等問題，已漸轉變成營養不均衡、飲食習慣不佳等問題。國內外的調查均發現，兒童在蔬果及奶類食物的攝取低，但在零食、速食、甜飲料的攝取比例增加，長期攝取高熱量、低營養價值食品易造成肥胖、高血脂、心血管疾病等慢性疾病。國內外研究均顯示兒童的過重情形正顯著的上升，兒童期肥胖也已發現與成年後的肥胖有正相關。 飲食行為的形成受到許多因素的影響，兒童期的飲食習慣會延續至成年期，家庭飲食環境、教養行為等對兒童飲食行為影響最早，要瞭解這些些因素的影響需自嬰兒期開始長時間的追蹤調查。到了2至5歲（兒童飲食行為建立的時期），學校飲食環境、教學活動或媒體廣告等社會因素對幼兒飲食行為亦發生影響，國內缺少針對這些影響因素的實徵研究。本研究擬以四年分二部分進行，第一部分為世代研究，以每年一次連續四年問卷調查方式探討幼兒體型、飲食發展狀況及其與父母教養、家庭環境之關係。第二部分為介入研究，在第一年及第二年時，以托兒所的幼兒為對象，先評估托兒所的飲食環境、教學活動，據以設計以學校教學活動為主家庭為輔的介入模式，評估不同介入模式對幼兒飲食行為的影響。在第三年及第四年，針對幼兒電視台的節目和廣告進行分析，瞭解電視節目和廣告中傳達的食物營養訊息類型及問題，包括食物出現的頻率、種類（是否為高熱量低營養、高糖或高鹽食物），所傳播的食物營養知識、態度及行為是否正確，以及幼兒對於節目及廣告中食品與營養訊息的反應和幼兒照顧者的處理方式等，作為擬訂協助幼兒在關鍵的時期養成良好的飲食習慣、預防肥胖發生的有效方法之參考。 The shifting of Taiwanese’s living style has changed their eating behavior. Malnutrition and sanitary were no longer problems to them; but, in stead, imbalanced nutrition and inappropriate eating behavior become new problems they have to face to. Studies all over the world found that children’s intakes of vegetable, fruit, and dairy product are decreasing; on the contrary, they ate more high-calorie but low-nutrient density foods which may cause chronic diseases. Studies also showed that the rate of children’s obesity is climbing up; and there is a positive relationship between children’s obesity and adults’ obesity. The development of eating behavior was affected by many factors. Family food environment and parenting style has early impact on children’s eating behavior. During the developing period of children’s eating behavior (2 to 5 years old), school food environment, learning activities, or propaganda from media become signicant. In order to fully understand the impact of these factors, it is necessary to trace them from infant stage. There were only few empirical researches on this topic. This is a four-year research which includes two parts: Part I: Longitudinal study---to explore the relationship among children’s body shape, eating behavior development, and parent’s parenting style, family environment. Related data will be collected through survey questionnaire, once a year for four years. Part II: Intervention study—use preschoolers in nursery centers as the target sample. Based on the centers’ food environment and teaching activities, intervention models will be designed. Besides, the messages related to food and nutrition from both the programs and commercials of 4 major children’s TV channels will be analysed. The impact of TV programs and commercials on preschoolers’ eating behavior, opinions and reactions of caretakers about the TV programs and commercials will be collected through questionnaire and interview as well
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