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Exploring User Needs and Preferences for Mobile Apps for Sleep Disturbance: Mixed Methods Study

Melissa Aji, Christopher Gordon, Dorian Peters, Delwyn Bartlett, Rafael A Calvo, Khushnood Naqshbandi, Nick Glozier

JMIR Ment Health 2019;6(5):e13895

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Metadata Correction: Comparative and Cost Effectiveness of Telemedicine Versus Telephone Counseling for Smoking Cessation

The authors of “Comparative and Cost Effectiveness of Telemedicine Versus Telephone Counseling for Smoking Cessation” (J Med Internet Res 2015;17(5):e113) inadvertently omitted Delwyn Catley, PhD (University of Missouri, Kansas City, Department of Psychology

Kimber P Richter, Theresa I Shireman, Edward F Ellerbeck, A Paula Cupertino, Delwyn Catley, Lisa Sanderson Cox, Kristopher J Preacher, Ryan Spaulding, Laura M Mussulman, Niaman Nazir, Jamie J Hunt, Leah Lambart

J Med Internet Res 2015;17(6):e124

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Translation of the Chinese Version of the Nomophobia Questionnaire and Its Validation Among College Students: Factor Analysis

The sampling adequacy for the factorability was assessed using the Kaiser-Meyer-Olkin (KMO) [16] measurement and Bartlett test [17] of sphericity.

Ye Gao, Hongliang Dai, Guizhi Jia, Chunguang Liang, Tong Tong, Zhiyu Zhang, Ruobing Song, Qing Wang, Yue Zhu

JMIR Mhealth Uhealth 2020;8(3):e13561

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Using eHealth Technologies: Interests, Preferences, and Concerns of Older Adults

Patrick Ware, Susan J Bartlett, Guy Paré, Iphigenia Symeonidis, Cara Tannenbaum, Gillian Bartlett, Lise Poissant, Sara Ahmed

Interact J Med Res 2017;6(1):e3

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Identification of Users for a Smoking Cessation Mobile App: Quantitative Study

Bartlett test of sphericity was significant (P<.001). Communalities were all above .5. Given these findings, factor analysis was deemed suitable for these 4 items.

S K Leon Chevalking, Somaya Ben Allouch, Marjolein Brusse-Keizer, Marloes G Postel, Marcel E Pieterse

J Med Internet Res 2018;20(4):e118

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The Internet Intervention Patient Adherence Scale for Guided Internet-Delivered Behavioral Interventions: Development and Psychometric Evaluation

An exploratory factor analysis (EFA) was conducted regarding the factor structure of the iiPAS, including the Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy to determine the adequacy of the data for factor analysis as well as a Bartlett Test of Sphericity

Fabian Lenhard, Kajsa Mitsell, Maral Jolstedt, Sarah Vigerland, Tove Wahlund, Martina Nord, Johan Bjureberg, Hanna Sahlin, Per Andrén, Kristina Aspvall, Karin Melin, David Mataix-Cols, Eva Serlachius, Jens Högström

J Med Internet Res 2019;21(10):e13602

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The Korean Version of the Academic Cyberincivility Assessment Questionnaire for Nursing Students in South Korea: Validity and Reliability Study

The Kaiser-Meyer-Olkin (KMO) measure of sampling adequacy and the Bartlett test of sphericity were conducted to determine the appropriateness of the data for EFA. CFA was used to examine the factor structure.

Minjoo Hong, Jennie C De Gagne, Hyewon Shin, Suhye Kwon, Gum-Hee Choi

J Med Internet Res 2020;22(5):e15668

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A New Tool for Nutrition App Quality Evaluation (AQEL): Development, Validation, and Reliability Testing

The second expert panel resulted in minor clarifications.Item ReductionFor the first round of PCA, Kaiser-Meyer-Olkin measure of sampling adequacy was .59 and the Bartlett test of sphericity was significant (χ2561=4456, P<.001).

Kristen Nicole DiFilippo, Wenhao Huang, Karen M. Chapman-Novakofski

JMIR Mhealth Uhealth 2017;5(10):e163

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Low Testosterone on Social Media: Application of Natural Language Processing to Understand Patients’ Perceptions of Hypogonadism and Its Treatment

urologist, endocrinologist, and appointment.Statistical Validity of Principal Component AnalysisTo assess applicability of PCA to each dataset, the Kaiser-Meyer-Olkin (KMO) statistic, a measure of sampling adequacy (values >0.60 are adequate), and the Bartlett

Vadim Osadchiy, Tommy Jiang, Jesse Nelson Mills, Sriram Venkata Eleswarapu

J Med Internet Res 2020;22(10):e21383

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Identifying Brief Message Content for Interventions Delivered via Mobile Devices to Improve Medication Adherence in People With Type 2 Diabetes Mellitus: A Rapid Systematic Review

Hannah Long, Yvonne K Bartlett, Andrew J Farmer, David P French

J Med Internet Res 2019;21(1):e10421

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