Núcleo de Investigação em Nutrição, Instituto de Saúde, Secretaria do Estado de Saúde de São Paulo (IS/SES), São Paulo, Brazil.
Public Health Nutr. 2009 Nov;12(11):2084-91. doi: 10.1017/S1368980009005588. Epub 2009 Apr 30.
To study the role of energy derived from sugar (both table sugar and sugar added to processed foods) in the total energy content of food purchases in Brazil.
Food purchase data were collected during a national household budget survey carried out between June 2002 and July 2003 on a probabilistic sample representative of all households in the country. The amount of food purchased in this 12-month period was transformed into energy and energy from sugar using food composition tables. Multiple linear regression models were used to study the association between amount of energy from sugar and total energy content of food purchases, controlling for sociodemographic variables and potential interactions between these variables and sugar purchases.
There was a positive and significant association between energy from sugar and total household energy purchases. A 1 kJ increase in sugar purchase corresponded to a 3.637 kJ increase in total energy. In the absence of expenditure on meals outside the home, i.e. when household food purchases tend to approximate actual food consumption by household members, sugar purchase of 1926.35 kJ/d (the 90th percentile of the distribution of sugar purchases in Brazil) was associated, depending on income strata, with total energy purchase over 40-60 % of the recommended daily value for energy intake in Brazil.
The present results corroborate the recommendations of the WHO and the Brazilian Ministry of Health regarding limiting the consumption of sugar.
研究糖（包括食糖和添加到加工食品中的糖）所提供的能量在巴西食物购买总能量中的作用。
食物购买数据是在 2002 年 6 月至 2003 年 7 月期间，通过全国住户预算调查收集的，该调查采用概率抽样方法，代表了全国所有住户。在这 12 个月期间购买的食物量被转化为能量和糖所提供的能量，使用食物成分表。采用多元线性回归模型研究糖的能量摄入量与食物购买总能量之间的关系，同时控制社会人口变量以及这些变量与糖购买之间的潜在相互作用。
糖所提供的能量与家庭总能量购买之间存在正相关且具有统计学意义。糖购买量每增加 1 kJ，家庭总能量购买量就会增加 3.637 kJ。在家中不外出就餐的情况下，即家庭购买的食物更接近家庭中成员的实际食物消费时，1926.35 kJ/d 的糖购买量（巴西糖购买量分布的第 90 个百分位数）与总能量购买量相关，具体取决于收入阶层，糖购买量超过巴西推荐的每日能量摄入量的 40%-60%。
本研究结果证实了世界卫生组织和巴西卫生部关于限制糖摄入量的建议。
