Abstract:
BACKGROUND:Tracking of dietary intake is key to enhancing weight loss. Mobile apps may be useful for tracking food intake and can provide feedback about calories and nutritional value. Recent technological developments have enabled image recognition to identify foods and track food intake. OBJECTIVE:We aimed to determine the effectiveness of using photography as a feature of a smartphone weight loss app to track food intake in adults who were overweight or obese. METHODS:We analyzed data from individuals (age, 18-65 years; body mass index≥25 kg/m2; ≥4 days of logged food intake; and ≥2 weigh-ins) who used a mobile-based weight loss app. In a retrospective study, we compared those who used the photo feature (n=9871) and those who did not use the feature (n=113,916). Linear regression analyses were used to assess use of the photo feature in relation to percent weight loss. RESULTS:Weight loss was greater in the group using the photo feature (Δ=0.14%; 95% CI 0.06-0.22; P<.001). The photo feature group used the weight loss app for a longer duration (+3.5 days; 95% CI 2.61-4.37; P<.001) and logged their food intake on more days (+6.1 days; 95% CI 5.40-6.77; P<.001) than the nonusers. Mediation analysis showed that the weight loss effect was absent when controlling for either duration or number of logged days in the program. CONCLUSIONS:This study was the first to examine the effect of a food photo feature to track food intake on weight loss in a free-living setting. Use of photo recognition was associated with greater weight loss, which was mediated by the duration of app use and number of logged days in the program.
journal_name
JMIR Mhealth Uhealthjournal_title
JMIR mHealth and uHealthauthors
Ben Neriah D,Geliebter Adoi
10.2196/11917subject
Has Abstractpub_date
2019-05-29 00:00:00pages
e11917issue
6issn
2291-5222pii
v7i6e11917journal_volume
7pub_type
杂志文章abstract:BACKGROUND:The Syria crisis has forced more than 4 million people to leave their homeland. As a result, in 2016, an overwhelming number of refugees reached Germany. In response to this, it was of utmost importance to set up refugee camps and to provide humanitarian aid, but a health surveillance system was also impleme...
journal_title:JMIR mHealth and uHealth
pub_type: 杂志文章
doi:10.2196/13516
更新日期:2019-08-19 00:00:00
abstract:BACKGROUND:With the popularity of mobile phones, mobile apps have great potential for the management of diabetes, but the effectiveness of current diabetes apps for type 1 diabetes mellitus (T1DM) is poor. No study has explored the reasons for this deficiency from the users' perspective. OBJECTIVE:The aims of this stu...
journal_title:JMIR mHealth and uHealth
pub_type: 杂志文章
doi:10.2196/11400
更新日期:2018-09-21 00:00:00
abstract:BACKGROUND:There are many apps developed for patients with spondyloarthritis in the market, but their purpose and quality are not objectively evaluated. OBJECTIVE:The objective of this study was to identify and evaluate existing publicly available, high-quality apps that use validated measurement instruments for monit...
journal_title:JMIR mHealth and uHealth
pub_type: 杂志文章
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更新日期:2019-10-28 00:00:00
abstract:BACKGROUND:Disparities in cervical cancer incidence and mortality signify the need for intervention efforts targeting Korean American immigrant women. OBJECTIVE:The purpose of this study was to demonstrate how a culturally targeted and tailored mobile text messaging intervention, mobile screening (mScreening), was dev...
journal_title:JMIR mHealth and uHealth
pub_type: 杂志文章
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更新日期:2019-06-06 00:00:00
abstract:BACKGROUND:Mobile health technologies have been found to improve the self-management of chronic diseases. However, there is limited research regarding their feasibility in supporting recovery from substance use disorders (SUDs) in China. OBJECTIVE:The objective of this study was to examine the feasibility of a mobile ...
journal_title:JMIR mHealth and uHealth
pub_type: 杂志文章
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abstract:BACKGROUND:Youth homelessness is a substantial issue, and many youths experiencing homelessness have mental health issues as both a cause and consequence of homelessness. These youths face many barriers to receiving traditional mental health services, and as a result, only a few youths experiencing homelessness receive...
journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
pub_type: 杂志文章
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更新日期:2016-11-15 00:00:00
abstract:BACKGROUND:Self-measurement of blood pressure is a priority strategy for managing blood pressure. OBJECTIVE:The aim of this study was to evaluate the reliability and validity of blood pressure and heart rate following the European Society of Hypertension's international validation protocol, as measured with the Qardio...
journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
pub_type: 杂志文章,评审
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journal_title:JMIR mHealth and uHealth
pub_type: 杂志文章
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journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
pub_type: 杂志文章,评审
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更新日期:2013-07-24 00:00:00
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journal_title:JMIR mHealth and uHealth
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更新日期:2021-01-13 00:00:00
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journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
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journal_title:JMIR mHealth and uHealth
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abstract::[This corrects the article DOI: 10.2196/23194.]. ...
journal_title:JMIR mHealth and uHealth
pub_type: 已发布勘误
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更新日期:2020-12-04 00:00:00
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journal_title:JMIR mHealth and uHealth
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