Zou Mengxuan, Johnson Laura, Leary Sam, Ibacache Fuentes Francisca, Northstone Kate
University of Bristol Medical School, Bristol, England, BS8 2BN, UK.
Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, England, BS8 2PS, UK.
Wellcome Open Res. 2024 Aug 21;9:77. doi: 10.12688/wellcomeopenres.20605.3. eCollection 2024.
Later eating rhythm (LER) refers to later timing, greater energy intake (EI), and higher frequency of eating occasions (meal/snack) in the evening. The significance of LER in child health is becoming increasingly recognised. However, the lack of consensus regarding definitions of LER make it challenging to fully comprehend its role. This data note describes LER variables derived in the Avon Longitudinal Study of Parents and Children (ALSPAC), an ongoing birth cohort which enrolled 14,541 pregnant women living in Avon, UK, with an expected date of delivery between April 1991 - December 1992. When children were 7 years, parents completed a structured 3-day food diary, recording all foods/drinks consumed over 3 days (preferably 1 weekend day and 2 weekdays). Data was available for 7,285 children (50.1% response rate). A subsample of 4,869 children had exact time of eating occasions added to the existing database, which only included broad indications of eating timing based on 2-7 hour long meal slots. 13 LER variables were derived for the entire week and weekdays/weekend days separately. These comprise: 1) eating around individual bedtime (number days); 2) eating around average bedtime (number days); 3) time of evening main meal (hrs:mins); 4) time of last eating occasion (hrs:mins); 5) EI in the evening (percentage of total daily energy intake, %TDEI); 6) EI within 2hrs before bedtime (%TDEI); 7) EI for evening main meal (%TDEI); 8) EI for evening snacks (%TDEI); 9) Night eating1 (NE1): eating over 30% of total daily energy intake after 18:00 (number days); 10) NE2: eating over 25% of total daily energy intake within 2hrs before bedtime (number days); 11) eating frequency after 17:00 (number of eating occasions); 12) regularity of dinner (number of days); 13) frequency of evening snacks (number days). We describe the derivation, prevalence and inter-corelations between LER variables.
晚进食节律（LER）是指在晚上进食时间较晚、能量摄入量（EI）更高以及进食次数（正餐/零食）更频繁。LER对儿童健康的重要性正日益得到认可。然而，关于LER定义缺乏共识使得全面理解其作用具有挑战性。本数据说明描述了在阿冯父母与儿童纵向研究（ALSPAC）中得出的LER变量，这是一项正在进行的出生队列研究，招募了14,541名居住在英国阿冯的孕妇，预计分娩日期在1991年4月至1992年12月之间。当孩子7岁时，父母填写一份结构化的3天食物日记，记录3天内（最好是1个周末日和2个工作日）摄入的所有食物/饮料。有7,285名儿童的数据可用（回复率为50.1%）。4,869名儿童的子样本在现有数据库中添加了进食时间的精确记录，该数据库此前仅包括基于2至7小时长的用餐时段的大致进食时间指示。分别为整个星期以及工作日/周末日得出了13个LER变量。这些变量包括：1）在个人就寝时间左右进食（天数）；2）在平均就寝时间左右进食（天数）；3）晚餐主餐时间（小时:分钟）；4）最后一次进食时间（小时:分钟）；5）晚上的能量摄入量（占每日总能量摄入量的百分比，%TDEI）；6）就寝前2小时内的能量摄入量（%TDEI）；7）晚餐主餐的能量摄入量（%TDEI）；8）晚间零食的能量摄入量（%TDEI）；9）夜间进食1（NE1）：18:00之后摄入超过每日总能量摄入量30%（天数）；10）NE2：就寝前2小时内摄入超过每日总能量摄入量25%（天数）；11）17:00之后的进食频率（进食次数）；12）晚餐的规律性（天数）；13）晚间零食的频率（天数）。我们描述了LER变量的推导、患病率及其相互关系。
