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首页> 外文期刊>Journal of applied statistics >Joint modeling of bottle use, daily milk intake from bottles, and daily energy intake in toddlers
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Joint modeling of bottle use, daily milk intake from bottles, and daily energy intake in toddlers

机译:奶瓶使用,奶瓶每天摄入的牛奶以及幼儿每天摄入的能量的联合建模

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摘要

The current study follows an educational intervention on bottle-weaning to simultaneously evaluate effects of the bottle-weaning intervention on reducing bottle use, daily milk intake from bottles, and daily energy intake in toddlers aged 11-13 months. In this paper, we propose to use shared parameter models and random effects models to model these outcomes jointly. Our joint models consist of two submodels: a two-part submodel for modeling the odds of bottle use and the intensity of daily milk intake from bottles, and a linear mixed submodel for modeling the intensity of daily energy intake. The two submodels are linked by either shared random effects or separate but correlated random effects. We investigate whether the intervention effects, parameter estimates, and model fit differ between shared parameter models and random effects models.
机译:当前的研究是对奶瓶断奶的教育干预措施进行的,旨在同时评估奶瓶断奶干预对减少11-13个月幼儿奶瓶使用量,每天从奶瓶中摄取牛奶以及每日摄入能量的影响。在本文中,我们建议使用共享参数模型和随机效应模型共同对这些结果进行建模。我们的联合模型由两个子模型组成:一个分为两部分的子模型,用于建模奶瓶使用的几率和每天从瓶子中摄取牛奶的强度;一个线性混合子模型,用于建模每日能量摄入的强度。这两个子模型通过共享随机效应或单独但相关的随机效应链接。我们调查共享参数模型和随机效应模型之间的干预效果,参数估计和模型拟合是否不同。

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