The Ohio State University.
J Res Adolesc. 2019 Sep;29(3):627-645. doi: 10.1111/jora.12474.
We employ data from the Adolescent Health and Development in Context Study-a representative sample of urban youth ages 11-17 in and around the Columbus, OH area-to investigate the feasibility and validity of smartphone-based geographically explicit ecological momentary assessment (GEMA). Age, race, household income, familiarity with smartphones, and self-control were associated with missing global positioning systems (GPS) coverage, whereas school day was associated with discordance between percent of time at home based on GPS-only versus recall-aided space-time budget data. Fatigue from protocol compliance increases missing GPS across the week, which results in more discordance. Although some systematic differences were observed, these findings offer evidence that smartphone-based GEMA is a viable method for the collection of activity space data on urban youth.
我们利用来自青少年健康与发展环境研究（一项针对俄亥俄州哥伦布市及其周边地区年龄在 11 至 17 岁的城市青少年的代表性样本）的数据，来调查基于智能手机的地理明确的生态瞬时评估（GEMA）的可行性和有效性。年龄、种族、家庭收入、对智能手机的熟悉程度和自我控制能力与全球定位系统（GPS）覆盖范围的缺失有关，而在校日与基于 GPS 的时间与回忆辅助的时空预算数据相比，在家时间的比例不一致有关。由于协议遵守带来的疲劳感导致 GPS 数据在一周内的缺失增加，从而导致更多的不一致。尽管观察到了一些系统差异，但这些发现为基于智能手机的 GEMA 是收集城市青少年活动空间数据的一种可行方法提供了证据。
