Monteiro Luana Silva, Hassan Bruna Kulik, Estima Camilla Chermont Prochnik, Souza Amanda de Moura, Verly Eliseu, Sichieri Rosely, Pereira Rosangela Alves
Curso de Nutrição. Universidade Federal do Rio de Janeiro. Macaé, RJ, Brasil.
Programa de Pós-Graduação em Saúde Coletiva. Instituto de Medicina Social. Universidade do Estado do Rio de Janeiro. Rio de Janeiro, RJ, Brasil.
Rev Saude Publica. 2017 Oct 5;51:93. doi: 10.11606/S1518-8787.2017051006053.
Evaluate the variations in energy, nutrients, and food groups intake between days of the week and weekend days in the Brazilian population.
We used data from the first National Food Survey (2008-2009) of a one-day food log of a representative sample of the Brazilian population aged 10 years or older (n = 34,003). For the analyses, we considered the sample weights and the effect of the study design. The mean (and standard deviations) and frequencies (%) of energy, nutrients, and food groups consumption were estimated for weekdays (Monday to Friday) and weekend (Saturday and Sunday), we then estimated the differences according to the days of the week for the population strata analyzed.
The average daily energy intake for the weekend was 8% higher than the one observed for weekdays. The average percentage contribution of carbohydrate to the daily energy intake was higher during the week compared to Saturday and Sunday (56.3% versus 54.1%, p < 0.01). The inverse was observed for averages of the contribution to the daily intake of energy from total fat (26.8% versus 28.4%), saturated fat (9.1% versus 9.9%) and trans fat (1.4% versus 1.6%). The most significant changes between weekdays and weekend days were observed for eggs, sugar-added beverages, puff snacks and chips, beans, and pasta. During weekends, the frequency of beverage with added sugar consumption increased by 34%, the amount consumed increased by 42%, and the contribution to energy intake increased by 62% when compared to weekdays.
The Brazilian population increases energy intake and unhealthy food markers on weekends compared to weekdays.
评估巴西人群在一周内工作日和周末的能量、营养素及食物组摄入量的差异。
我们使用了第一次全国食物调查（2008 - 2009年）的数据，该调查为对10岁及以上巴西代表性人群（n = 34,003）的一日食物记录。在分析中，我们考虑了样本权重和研究设计的影响。估计了工作日（周一至周五）和周末（周六和周日）能量、营养素及食物组消费的均值（及标准差）和频率（%），然后针对所分析的人群分层，根据一周中的不同日期估计差异。
周末的日均能量摄入量比工作日观察到的高8%。与周六和周日相比，一周中碳水化合物对每日能量摄入量的平均百分比贡献更高（56.3%对54.1%，p < 0.01）。总脂肪、饱和脂肪和反式脂肪对每日能量摄入量贡献的平均值则相反（26.8%对28.4%、9.1%对9.9%、1.4%对1.6%）。工作日和周末之间最显著的变化出现在鸡蛋、加糖饮料、膨化零食和薯片、豆类及面食上。与工作日相比，周末期间加糖饮料的消费频率增加了34%，消费量增加了42%，对能量摄入的贡献增加了62%。
与工作日相比，巴西人群在周末能量摄入量增加，不健康食物指标上升。
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