Do bedroom screens and the mealtime environment shape different trajectories of child overweight and obesity? Research using the Growing Up in Scotland study.,International Journal of Obesity

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Do bedroom screens and the mealtime environment shape different trajectories of child overweight and obesity? Research using the Growing Up in Scotland study.
International Journal of Obesity ( IF 4.2 ) Pub Date : 2019-12-11 , DOI: 10.1038/s41366-019-0502-1
Alison Parkes ₁ , Michael Green ₁ , Anna Pearce ₁

Affiliation

Objective

To investigate how mealtime setting, mealtime interaction and bedroom screens are associated with different trajectories of child overweight and obesity, using a population sample.

Methods

Growth mixture modelling used data from children in the Growing Up in Scotland Study born in 2004/5 (boys n = 2085, girls n = 1991) to identify trajectories of overweight or obesity across four time points, from 46 to 122 months. Using data from children present at all sweeps, and combining sexes (n = 2810), mutually adjusted associations between primary exposures (mealtime setting, mealtime interaction and bedroom screens) and trajectory class were explored in multinomial models; controlling for early life factors, household organisation and routines, and children’s diet patterns, overall screen use, physical activity and sleep.

Results

Five trajectories were identified in both sexes: Low Risk (68% of sample), Decreasing Overweight (9%), Increasing Overweight (12%), High/Stable Overweight (6%) and High/Increasing Obesity (5%). Compared with the Low Risk trajectory, High/Increasing Obesity and High/Stable Overweight trajectories were characterised by early increases in bedroom screen access (respective relative risk ratios (RRR) and 95% confidence intervals: 2.55 [1.30–5.00]; 1.62 [1.01–2.57]). An informal meal setting (involving mealtime screen use, not eating in a dining area and not sitting at a table) characterised the High/Increasing Obesity and Increasing Overweight trajectories (respective RRRs compared with Low Risk trajectory: 3.67 [1.99–6.77]; 1.75 [1.17–2.62]). Positive mealtime interaction was associated with membership of the Increasing Overweight trajectory (RRR 1.64 [1.13–2.36]).

Conclusion

Bedroom screen access and informal mealtime environments were associated with higher-risk overweight and obesity trajectories in a representative sample of Scottish children, after adjusting for a wide range of confounders. Findings may challenge the notion that positive mealtime interaction is protective. Promoting mealtimes in a screen-free dining area and removing screens from bedrooms may help combat childhood obesity.

中文翻译：

卧室屏幕和用餐环境会塑造儿童超重和肥胖的不同轨迹吗？使用苏格兰成长研究的研究。

客观的

使用人口样本调查用餐时间设置、用餐时间互动和卧室屏幕如何与儿童超重和肥胖的不同轨迹相关联。

方法

生长混合模型使用来自 2004/5 年出生的苏格兰成长研究中的儿童（男孩n = 2085，女孩n = 1991）的数据来确定从 46 到 122 个月的四个时间点的超重或肥胖轨迹。使用来自所有扫描中的儿童的数据，并结合性别（n = 2810），在多项模型中探索了主要暴露（进餐时间设置、进餐时间互动和卧室屏幕）和轨迹类别之间相互调整的关联；控制早期生活因素、家庭组织和日常活动，以及儿童的饮食模式、整体屏幕使用、身体活动和睡眠。

结果

在两性中确定了五个轨迹：低风险（68% 的样本）、减少超重（9%）、增加超重（12%）、高/稳定超重（6%）和高/增加肥胖（5%）。与低风险轨迹相比，高/增加肥胖和高/稳定超重轨迹的特点是卧室屏幕访问的早期增加（各自的相对风险比 (RRR) 和 95% 置信区间：2.55 [1.30–5.00]；1.62 [1.01] –2.57]）。非正式的用餐环境（包括用餐时间屏幕使用、不在用餐区用餐和不坐在餐桌旁）以高/增加肥胖和增加超重轨迹为特征（与低风险轨迹相比，各自的 RRR：3.67 [1.99–6.77]；1.75 [1.17-2.62]）。积极的进餐时间互动与增加超重轨迹 (RRR 1.