Sennerstam R B
Sachs Children's Hospital, Department of Pediatrics, Karolinska Institute, Nynashamn, Sweden.
Public Health. 1997 Mar;111(2):85-8. doi: 10.1016/s0033-3506(97)90006-8.
The present work demonstrates a close association between illness-associated absence among children below 4 y of age in day-care, and the age-related composition of the child groups. The study, which spanned a 4 y period and is based on illness-related absence from day-care in a Stockholm suburb, shows that morbidity decreases significantly among young children as age-integration in the groups is intensified. Absence due to illness was most common in toddler groups of infants up to 3 y of age. Among sibling groups of children in the age range 0-6 y, illness-related absence was lower among toddlers compared to toddlers in age-separated groups, and significantly lower in extended sibling groups in the age range 0-12 y. Morbidity among children older than 3 y was not affected in the same way by group structure.
目前的研究表明，日托中心4岁以下儿童因病缺勤与儿童群体的年龄构成密切相关。这项为期4年的研究基于斯德哥尔摩一个郊区日托中心与疾病相关的缺勤情况，结果显示，随着儿童群体年龄融合的加强，幼儿的发病率显著下降。因病缺勤在3岁及以下婴幼儿的学步儿童组中最为常见。在0至6岁儿童的兄弟姐妹组中，与年龄分开的组中的学步儿童相比，学步儿童的因病缺勤率较低，而在0至12岁的大家庭兄弟姐妹组中则显著较低。3岁以上儿童的发病率受群体结构的影响方式不同。
