Abstract:
OBJECTIVE:Interpretation of epidemiological studies on health effects from mobile phone use is hindered by uncertainties in the exposure assessment. We used a newly developed smartphone application (app) to validate self-reported mobile phone use and behaviour among adults. METHODS:107 participants (mean age 41.4 years) in the Netherlands either downloaded the software app on their smartphone or were provided with a study smartphone for 4 weeks. The app recorded the number and duration of calls, text messages, data transfer, laterality and hands-free use. Self-reported mobile phone use was collected before using the app and after 6 months through an interviewer-administered questionnaire. RESULTS:The geometric mean ratios (GMR, 95% CI) and Spearman correlations (r) of self-reported (after 6 months) versus recorded number and duration of calls were: GMR=0.65 (0.53 to 0.80), r=0.53; and GMR=1.11 (0.86 to 1.42), r=0.57 respectively. Participants held the phone on average for 86% of the total call time near the head. Self-reported right side users held the phone for 70.7% of the total call time on the right side of the head, and left side users for 66.2% on the left side of the head. The percentage of total call time that the use of hands-free devices (headset, speaker mode, Bluetooth) was recorded increased with increasing frequency of reported hands-free device usage. DISCUSSION:The observed recall errors and precision of reported laterality and hands-free use can be used to quantify and improve radiofrequency exposure models based on self-reported mobile phone use.
journal_name
Occup Environ Medjournal_title
Occupational and environmental medicineauthors
Goedhart G,Kromhout H,Wiart J,Vermeulen Rdoi
10.1136/oemed-2015-102808subject
Has Abstractpub_date
2015-11-01 00:00:00pages
812-8issue
11eissn
1351-0711issn
1470-7926pii
oemed-2015-102808journal_volume
72pub_type
杂志文章abstract:OBJECTIVES:To investigate the question of whether there is an association between workplace exposures and sociodemographic factors and mortality from non-malignant respiratory disease excluding influenza and pneumonia (NMRDxIP) among workers in a fibreglass wool manufacturing facility. METHODS:A case-control study wit...
journal_title:Occupational and environmental medicine
pub_type: 杂志文章
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更新日期:2002-06-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
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journal_title:Occupational and environmental medicine
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.57.2.121
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journal_title:Occupational and environmental medicine
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journal_title:Occupational and environmental medicine
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journal_title:Occupational and environmental medicine
pub_type: 临床试验,杂志文章
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更新日期:2007-12-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.2008.043851
更新日期:2009-11-01 00:00:00
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journal_title:Occupational and environmental medicine
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journal_title:Occupational and environmental medicine
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.2004.013102
更新日期:2005-11-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,评审
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更新日期:2007-04-01 00:00:00
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journal_title:Occupational and environmental medicine
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更新日期:2015-04-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.53.6.427
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,meta分析
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journal_title:Occupational and environmental medicine
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doi:10.1136/oem.2008.041418
更新日期:2009-02-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.52.3.177
更新日期:1995-03-01 00:00:00
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journal_title:Occupational and environmental medicine
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更新日期:2014-08-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.2008.042044
更新日期:2009-07-01 00:00:00
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journal_title:Occupational and environmental medicine
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journal_title:Occupational and environmental medicine
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doi:10.1136/oemed-2019-105902
更新日期:2020-01-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2014-102184
更新日期:2015-02-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
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更新日期:2011-06-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2019-106016
更新日期:2019-10-01 00:00:00
abstract:OBJECTIVE:The effect of indoor temperature control on summer and winter ambulatory blood pressure levels at work was studied. METHOD:Ambulatory systolic blood pressure (SBP) and diastolic blood pressure (DBP) were monitored once in summer and once in winter in 101 healthy normotensive subjects aged 28-63 years, engage...
journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.52.11.715
更新日期:1995-11-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.56.3.202
更新日期:1999-03-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oemed-2020-106812
更新日期:2020-10-26 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章
doi:10.1136/oem.58.5.315
更新日期:2001-05-01 00:00:00
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journal_title:Occupational and environmental medicine
pub_type: 杂志文章,多中心研究
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更新日期:2006-12-01 00:00:00