台中市國民小學學童身高、體重及其相關因素之研究

本橫斷研究之目的，為評估國小學童身高、體重的發展，並探討其相關因素從台中市8區域中的所有小學學校中各隨機抽取1所學校，並從樣本學校各年級中隨機抽取2班，班上所有學童均須量其身高體重，並以問俊獲得相關人口學資料，計得有效問卷4740份，男學童2368份女學童2372份。研究結果如下：(1)男、女學童身高集體重均隨年齡之增加而顯著增加。(2)就身高而言：6、7、8歲年齡層之男學童身高均比女學童高，但9、10、11歲年齡層之男學童身高卻比女學童矮。(3)本省籍學童比他籍貫學童體重較輕身高較矮。(4)出生胎次第一、二胎之學童比其他胎次學童較高、體重較重。(5)其他人口學因素，諸如：家庭人口數、都市化程度、父、母親教育水準等都會影響學童之身高、體重但其效果並未達統計顯著水準。
This study employed a cross-sectional design to assess the body weight and body height of primary school students and to examine whether certain factors are associated with them. Data were available on 4740 students, 2368 boys and 2372 girls, from eight randomly selected primary school in Taichung city. Some results revealed as follows: (1) The annual gains in body weight and height were statistically significant both in girls and boys. (2) Boys of six, seven and eight years old are taller than girls; on the contrary, girls were significantly taller than boys from the age of 9. (3) Girls were significantly heavier than boys at the age of 11. However, boys were heavier than girls before that age. (4) The girl and the boy students whose native place are Taiwan province were shorter and lighter than those of other provinces. (4) The girl and the boy students of the first or second birth order were slightly taller and heavier than those of the higher birth order. (5) Other demographic factors, such as: family size, urbanization level, and father’s education level, affect the children’s weight and height. However, the effect is not obvious and not all statistically significant in each age group.