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A Focused Review of Smartphone Diet-Tracking Apps: Usability, Functionality, Coherence With Behavior Change Theory, and Comparative Validity of Nutrient Intake and Energy Estimates

A Focused Review of Smartphone Diet-Tracking Apps: Usability, Functionality, Coherence With Behavior Change Theory, and Comparative Validity of Nutrient Intake and Energy Estimates

; FS: FatSecret; A: Argus; MFP: MyFitnessPal; MP: MyPlate; LS: LifeSum.Figure 4Meal rating feature with emojis in LifeSum (left), feedbacks on nutrient content for food items in MyFitnessPal (center), and Health test in LifeSum (right).Consistency Between Apps

Giannina Ferrara, Jenna Kim, Shuhao Lin, Jenna Hua, Edmund Seto

JMIR Mhealth Uhealth 2019;7(5):e9232

The Impact of Search Engine Selection and Sorting Criteria on Vaccination Beliefs and Attitudes: Two Experiments Manipulating Google Output

The Impact of Search Engine Selection and Sorting Criteria on Vaccination Beliefs and Attitudes: Two Experiments Manipulating Google Output

Jonckheere’s test revealed a significant trend in the data: the more participants were exposed to antivaccination websites, the lower the median of knowledge (J=4783.5, z=−2.142, P=.03).In summary, the results from both experiments support our first hypothesis

Ahmed Allam, Peter Johannes Schulz, Kent Nakamoto

J Med Internet Res 2014;16(4):e100

Measuring the Lifespace of People With Parkinson’s Disease Using Smartphones: Proof of Principle

Measuring the Lifespace of People With Parkinson’s Disease Using Smartphones: Proof of Principle

data could differentiate between people with PD and the control group, and (2) to explore whether symptom severity in PD relates to Lifespace measured by GPS.MethodsSource of the DataData used in the preparation of this article were obtained from the Michael J

Jacki Liddle, David Ireland, Simon J McBride, Sandra G Brauer, Leanne M Hall, Hang Ding, Mohan Karunanithi, Paul W Hodges, Deborah Theodoros, Peter A Silburn, Helen J Chenery

JMIR Mhealth Uhealth 2014;2(1):e13

Prospective Epidemiological Research on Functioning Outcomes Related to Major Depressive Disorder in Japan (PERFORM-J): Protocol for a Prospective Cohort Study

Prospective Epidemiological Research on Functioning Outcomes Related to Major Depressive Disorder in Japan (PERFORM-J): Protocol for a Prospective Cohort Study

To increase awareness of cognitive dysfunction in depression in Japan, we have designed a prospective observational study (PERFORM-J; UMIN Clinical Trials Registry: UMIN000024320), based on the original PERFORM study.

Tomiki Sumiyoshi, Koichiro Watanabe, Shinichi Noto, Shigeru Sakamoto, Yoshiya Moriguchi, Shuichi Okamoto

JMIR Res Protoc 2018;7(6):e161

Triaging Patient Complaints: Monte Carlo Cross-Validation of Six Machine Learning Classifiers

Triaging Patient Complaints: Monte Carlo Cross-Validation of Six Machine Learning Classifiers

].Accordingly, we implemented a framework that consisted of the following steps: (1) preprocessed the documents to remove common stop words and numbers and to perform stemming (eg, the stem “argu” would replace “argue,” “argued,” “argues,” “arguing,” and “argus

Adel Elmessiry, William O Cooper, Thomas F Catron, Jan Karrass, Zhe Zhang, Munindar P Singh

JMIR Med Inform 2017;5(3):e19