Rahkovsky Ilya, Anekwe Tobenna, Gregory Christian
1 Economic Research Service of USDA, Washington DC, USA.
Am J Health Promot. 2018 May;32(4):916-924. doi: 10.1177/0890117117740935. Epub 2017 Dec 28.
Diet-related chronic diseases like diabetes can be dangerous and expensive to treat, especially for patients who do not follow a recommended diet. Meanwhile, prescription drugs can alleviate the symptoms of or control many diet-related chronic diseases, but these drugs may also weaken the resolve to follow recommended diets (moral hazard).
We measure the effect of a diagnosis of chronic disease and subsequent pharmacological treatment on the dietary quality of food purchases using a large panel data set of US consumers. We estimate the effect of prescription drug utilization on food purchases for the following chronic diseases: type 2 diabetes, high cholesterol, heart disease, and obesity.
Panelists of the Information Resources, Inc consumer panel.
Dietary quality is measured as purchases of (1) food groups (ie, fruit, vegetables, and sweets) and (2) nutrients (ie, saturated fat, fiber, sodium, sugar, and total calories).
Linear regression with mixed effects on pooled panel (household random effects, city fixed effects).
RESULTS/CONCLUSION: We do not find strong effects of either diagnosis or pharmacological treatment of diet-related disease on food purchases.
与饮食相关的慢性疾病，如糖尿病，治疗起来既危险又昂贵，尤其是对于那些不遵循推荐饮食的患者。与此同时，处方药可以缓解或控制许多与饮食相关的慢性疾病的症状，但这些药物也可能削弱患者遵循推荐饮食的决心（道德风险）。
我们使用美国消费者的一个大型面板数据集，来衡量慢性病诊断及后续药物治疗对所购买食物的饮食质量的影响。我们估计了处方药使用对以下慢性病所购买食物的影响：2型糖尿病、高胆固醇、心脏病和肥胖症。
信息资源公司消费者面板的小组成员。
饮食质量通过以下两种方式衡量：（1）食物类别（即水果、蔬菜和甜食）的购买量，以及（2）营养素（即饱和脂肪、纤维、钠、糖和总热量）的摄入量。
对合并面板进行混合效应线性回归（家庭随机效应、城市固定效应）。
结果/结论：我们没有发现饮食相关疾病的诊断或药物治疗对食物购买有显著影响。
