Abstract Total recall in the SCAMP cohort: Validation of self-reported mobile phone use in the smartphone era
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Total recall in the SCAMP cohort: Validation of self-reported mobile phone use in the smartphone era

机译：SCAMP群组中的总召回人数：验证了智能手机时代自我报告的手机使用情况

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摘要

AbstractMobile phone use, predominantly smartphones, is almost ubiquitous amongst both adults and children. However adults and children have different usage patterns. A major challenge with research on mobile phone use is the reliability of self-reported phone activity for accurate exposure assessment. We investigated the agreement between self-reported mobile phone use data and objective mobile operator traffic data in a subset of adolescents aged 11–12 years participating in the Study of Cognition, Adolescents and Mobile Phones (SCAMP) cohort. We examined self-reported mobile phone use, including call frequency, cumulative call time duration and text messages sent among adolescents from SCAMP and matched these data with records provided by mobile network operators (n = 350). The extent of agreement between self-reported mobile phone use and mobile operator traffic data use was evaluated using Cohen's weighted Kappa (ĸ) statistics. Sensitivity and specificity of self-reported low (< 1 call/day, ≤ 5min of call/day or ≤ 5 text messages sent/day) and high (≥ 11 calls/day, > 30min of call/day or ≥ 11 text messages sent /day) use were estimated.Agreement between self-reported mobile phone use and mobile operator traffic data was highest for the duration spent talking on mobile phones per day on weekdays (38.9%) and weekends (29.4%) compared to frequency of calls and number of text messages sent. Adolescents overestimated their mobile phone use during weekends compared to weekdays. Analysis of agreement showed little difference overall between the sexes and socio-economic groups. Weighted kappa between self-reported and mobile operator traffic data for call frequency during weekdays was κ = 0.12, 95% CI 0.06–0.18. Of the three modes of mobile phone use measured in the questionnaire, call frequency was the most sensitive for low mobile phone users on weekdays and weekends (77.1, 95% CI: 69.3—83.7 and 72.0, 95% CI: 65.0–78.4, respectively). Specificity was moderate to high for high users with the highest for call frequency during weekdays (98.4, 95% CI: 96.4–99.5).Despite differential agreement between adolescents’ self-reported mobile phone use and mobile operator traffic data, our findings demonstrate that self-reported usage adequately distinguishes between high and low use. The greater use of mobile smartphones over Wi-Fi networks by adolescents, as opposed to mobile phone networks, means operator data are not the gold standard for exposure assessment in this age group. This has important implications for epidemiologic research on the health effects of mobile phone use in adolescents.Highlights•We assessed the validity of adolescents’ self-reported mobile phone use.•The study accounted for weekday and weekend use of mobile phones separately.•Findings show that self-reported usage distinguishes between high and low use.•We recommend a combination of self-reported use over Wi-Fi & operator traffic data.•Combined data will improve accurate exposure estimation in epidemiological studies.
机译： 摘要 在成人和儿童中，几乎都是无所不在的主要使用智能手机的手机。但是成人和儿童有不同的使用方式。有关手机使用的研究面临的主要挑战是自我报告的手机活动对准确暴露评估的可靠性。我们调查了参加认知，青少年和手机研究（SCAMP）队列的11至12岁青少年的自我报告的手机使用数据和客观的移动运营商流量数据之间的一致性。我们检查了自我报告的移动电话使用情况，包括呼叫频率，累积呼叫持续时间和青少年从SCAMP发送的短信，并将这些数据与移动网络运营商提供的记录进行了比较（n = 350）。使用科恩的加权Kappa（ĸ）统计数据评估了自我报告的移动电话使用量与移动运营商流量数据使用量之间的一致程度。自我报告的低（<1次呼叫/天，≤5分钟的呼叫/天或≤5个短信/天）和高（≥11次呼叫/天，> 30分钟的呼叫/天或≥11个短信）的敏感性和特异性 自报告的移动电话使用量与移动运营商流量数据之间的一致度最高与通话频率和发送的短信数量相比，工作日（38.9％）和周末（29.4％）每天在手机上通话的时间。与工作日相比，青少年在周末高估了他们的手机使用量。协议分析显示，性别与社会经济群体之间总体上差异不大。在工作日中，自报告和移动运营商流量数据之间的加权平均kappa值为κ= 0.12，95％CI 0.06-0.18。在问卷中测量的三种手机使用方式中，通话频率对工作日和周末低手机用户最为敏感（分别为77.1、95％CI：69.3-83.7和72.0、95％CI：65.0-78.4 ）。对于工作日中通话频率最高的高用户，特异性从中等到高（98.4，95％CI：96.4–99.5）。 尽管青少年自我报告的手机使用情况与移动运营商流量数据之间存在差异，但我们的研究结果表明，自我报告的使用情况足以区分高使用率和低使用率。与移动电话网络相反，青少年通过Wi-Fi网络更多地使用移动智能手机，这意味着运营商数据并不是该年龄段暴露评估的金标准。这对于青少年使用手机对健康的影响的流行病学研究具有重要意义。 突出显示 • 我们评估了青少年自行报告的手机使用的有效性。 • 该研究分别说明了工作日和周末使用手机的情况。 • 发现表明，自我报告的用法区分高和低低用量。 • 我们建议结合使用自行报告的Wi-Fi和运营商流量数据使用情况。 •< / ce：label> 组合数据将提高流行病学研究中的准确暴露估计。

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  • 来源
    《Environmental research》 |2018年第2期|1-8|共8页
  • 作者

    Michael O. Mireku; William Mueller; Charlotte Fleming; Irene Chang; Iroise Dumontheil; Michael S.C. Thomas; Marloes Eeftens; Paul Elliott; Martin Röösli; Mireille B. Toledano;

  • 作者单位

    MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London,National Institute for Health Research Health Protection Research Unit in Health Impact of Environmental Hazards at King's College London and Imperial College London in partnership with Public Health England, Imperial College London;

    MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London,National Institute for Health Research Health Protection Research Unit in Health Impact of Environmental Hazards at King's College London and Imperial College London in partnership with Public Health England, Imperial College London,Institute of Occupational Medicine;

    MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London,National Institute for Health Research Health Protection Research Unit in Health Impact of Environmental Hazards at King's College London and Imperial College London in partnership with Public Health England, Imperial College London;

    MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London,National Institute for Health Research Health Protection Research Unit in Health Impact of Environmental Hazards at King's College London and Imperial College London in partnership with Public Health England, Imperial College London;

    Department of Psychological Sciences, Birkbeck, University of London;

    Department of Psychological Sciences, Birkbeck, University of London;

    Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute;

    MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London,National Institute for Health Research Health Protection Research Unit in Health Impact of Environmental Hazards at King's College London and Imperial College London in partnership with Public Health England, Imperial College London;

    Department of Epidemiology and Public Health, Swiss Tropical and Public Health Institute,University of Basel;

    MRC-PHE Centre for Environment and Health, Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London,National Institute for Health Research Health Protection Research Unit in Health Impact of Environmental Hazards at King's College London and Imperial College London in partnership with Public Health England, Imperial College London;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Mobile phones; Adolescents; Exposure measurement error; SCAMP;

    机译：手机;青少年;曝光测量误差;SCAMP;

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