The Negative Relationship Between Objectively Assessed Physical Activity and Total Smartphone Usage

Jessica Smith-Ricketts, Andrew Lepp, Jacob E. Barkley
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引用次数: 1

Abstract

Introduction: Existing evidence supports a positive relationship between smartphone use and sedentary behavior (i.e., high smartphone use is associated with high sitting). While evidence supports that smartphone use during physical activity reduces intensity, the relationship between daily smartphone use and daily physical activity is equivocal. Prior research assessing these relationships has relied on self-report survey instruments. The purpose of this research was to assess the relationship between minutes of smartphone use and physical activity (steps) using objective measures. Methods:  College-aged individuals (N = 50) completed a brief survey assessing daily screen time (min) and daily steps for the previous 10-days. This data was obtained from participants’ smartphone applications (e.g., “Health” and “Screen Time” apps) and the relationship was assessed. Results: There was a near moderate effect size for a negative correlation between average smartphone use and steps (r = -0.25). Mixed model regression indicated that this relationship was significant (F = 3.65, p = 0.00019). Conclusions: The results differ from prior research which has not reported a significant relationship between smartphone use and physical activity when using self-reported survey instruments. This difference highlights the need for additional research employing objective measures when assessing relationships between smartphone use and health behaviors.
客观评估的体力活动与智能手机总使用量之间的负相关关系
现有证据支持智能手机使用与久坐行为之间的积极关系(即,高智能手机使用与高坐有关)。虽然有证据表明,在体育活动期间使用智能手机会降低强度,但每天使用智能手机和每天的体育活动之间的关系是模棱两可的。先前评估这些关系的研究依赖于自我报告调查工具。这项研究的目的是用客观的方法来评估使用智能手机的分钟数和身体活动(步数)之间的关系。方法:大学年龄个体(N = 50)完成了一项简短的调查,评估了前10天的每日屏幕时间(分钟)和每日步数。这些数据是从参与者的智能手机应用程序(例如,“健康”和“屏幕时间”应用程序)中获得的,并对两者的关系进行了评估。结果:平均智能手机使用与步数之间存在接近中等的负相关效应(r = -0.25)。混合模型回归表明,这一关系显著(F = 3.65, p = 0.00019)。结论:这一结果与之前的研究不同,之前的研究没有报道在使用自我报告的调查工具时,智能手机的使用和身体活动之间存在显著关系。这一差异表明,在评估智能手机使用与健康行为之间的关系时,需要进行更多的研究,采用客观的衡量标准。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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