Baker S G
Biometry Branch, National Cancer Institute, Bethesda, Maryland 20892-7354, USA.
Biometrics. 1995 Sep;51(3):1042-52.
Using a model that accounts for non-ignorable non-response, we analyzed data from the Muscatine Risk Factor Study (Woolson and Clarke, 1984, Journal of the Royal Statistical Society, Series A 147, 87-99) on the effects of gender and age on obesity in schoolchildren. The methodology is related to that of Diggle and Kenward (1994, Applied Statistics 43, 49-93), except that the repeated data are binary, not continuous, and the non-response occurs in various patterns, not just dropouts. We found strong evidence that non-response was non-ignorable. In addition, we found that the proportion of children who were obese differed significantly with gender and increased with age.
我们使用一个考虑了不可忽略的无应答情况的模型，分析了马斯卡廷危险因素研究（伍尔森和克拉克，1984年，《皇家统计学会杂志》，A辑147卷，87 - 99页）中关于性别和年龄对学童肥胖影响的数据。该方法与迪格尔和肯沃德（1994年，《应用统计学》43卷，49 - 93页）的方法相关，不同之处在于重复数据是二元的，而非连续的，并且无应答以多种模式出现，不仅仅是失访。我们发现有力证据表明无应答是不可忽略的。此外，我们发现肥胖儿童的比例在性别上有显著差异，且随年龄增长而增加。
