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Smartphone Overuse and Visual Impairment in Children and Young Adults: Systematic Review and Meta-Analysis

Jian Wang, Mei Li, Daqiao Zhu, Yang Cao

J Med Internet Res 2020;22(12):e21923

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Statistical Issues and Lessons Learned From COVID-19 Clinical Trials With Lopinavir-Ritonavir and Remdesivir

We take the three randomized clinical trials conducted by Cao et al [12] on lopinavir-ritonavir and by Wang et al [13] and Beigel et al [14] on remdesivir as examples to illustrate statistical issues and lessons learned, as they have drawn great attention in

Guosheng Yin, Chenyang Zhang, Huaqing Jin

JMIR Public Health Surveill 2020;6(3):e19538

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Correction: A Novel Approach to Assessing Differentiation Degree and Lymph Node Metastasis of Extrahepatic Cholangiocarcinoma: Prediction Using a Radiomics-Based Particle Swarm Optimization and Support Vector Machine Model

Prediction Using a Radiomics-Based Particle Swarm Optimization and Support Vector Machine Model” (J Med Internet Res 2020;8(10):e23578) the authors noted three errors.In the original published manuscript, an equal contribution footnote for authors Jianbo Lei and Jian

Xiaopeng Yao, Xinqiao Huang, Chunmei Yang, Anbin Hu, Guangjin Zhou, Mei Ju, Jianbo Lei, Jian Shu

JMIR Med Inform 2021;9(1):e25337

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Perceptions of the Feasibility and Practicalities of Text Messaging-Based Infectious Disease Surveillance: A Questionnaire Survey

The second trial was carried out in a total of 40 communes located as follows: 17 communes in Yen My district, Hung Yen province (a delta region); 13 communes in Cao Phong district, Hoa Binh province (a mountainous region); and 10 communes in Ky Son district

Linh Thuy Dang, Nguyen Cong Vu, Thiem Dinh Vu, Spencer L James, Peter Katona, Lindsay Katona, Joseph M Rosen, Cuong Kieu Nguyen

JMIR Mhealth Uhealth 2016;4(2):e65

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Classifying Chinese Questions Related to Health Care Posted by Consumers Via the Internet

We adopted the heuristic equation (1) developed by Cao et al [17] to calculate k, which was based on the observation that the number of keywords increases when the question length increases.Statistical FeaturesThese include question length, maximum, minimum

Haihong Guo, Xu Na, Li Hou, Jiao Li

J Med Internet Res 2017;19(6):e220

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Reducing Salt Intake in China with “Action on Salt China” (ASC): Protocol for Campaigns and Randomized Controlled Trials

families estimate their salt intake (KnowSalt, Jia Ting Yong Yan Ce Liang in Chinese pinyin, used in HIS and CIS), to help deliver a series of health education and activities on salt reduction in schools for the school children and their families (AppSalt, Jian

Puhong Zhang, Feng J He, Yuan Li, Changning Li, Jing Wu, Jixiang Ma, Bing Zhang, Huijun Wang, Yinghua Li, Junhua Han, Rong Luo, Jing He, Xian Li, Yu Liu, Changqiong Wang, Monique Tan, Graham A MacGregor, Xinhua Li

JMIR Res Protoc 2020;9(4):e15933

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Tracking and Predicting Depressive Symptoms of Adolescents Using Smartphone-Based Self-Reports, Parental Evaluations, and Passive Phone Sensor Data: Development and Usability Study

Jian Cao, Anh Lan Truong, Sophia Banu, Asim A Shah, Ashutosh Sabharwal, Nidal Moukaddam

JMIR Ment Health 2020;7(1):e14045

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Public Reactions to the Cigarette Control Regulation on a Chinese Microblogging Platform: Empirical Analysis

//@Mu Jian: Support～.” After the extraction process, we got two microblogs: “Xiao Xia171: Support, I hope that Anji will also upgrade the smoking ban” and “Mu Jian: Support～.”

Wanting Wen, Zhu Zhang, Ziqiang Li, Jiaqi Liang, Yongcheng Zhan, Daniel D Zeng, Scott J Leischow

J Med Internet Res 2020;22(4):e14660

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The Impact of Providing a Tool Kit for Innovators in an Academic Medical Center to Scale Digital Health Innovation

Women's HospitalBrigham Digital Innovation HubBoston, MAUnited States2Brandeis UniversityWaltham, MAUnited StatesCorresponding Author: Ritika Saxena rsaxena@brandeis.eduJul-Dec20181709201842e118082820182982018©Ritika Saxena, Josephine Elias, Chenzhe Cao

Ritika Saxena, Josephine Elias, Chenzhe Cao, Haipeng Zhang, Adam Landman

iproc 2018;4(2):e11808

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Investigating Mental Health of US College Students During the COVID-19 Pandemic: Cross-Sectional Survey Study

Similarly, Cao et al [9] assessed anxiety using the GAD-7 scale and found that risk of infection, including for family members, was a major contributor to college students’ increased anxiety.

Xiaomei Wang, Sudeep Hegde, Changwon Son, Bruce Keller, Alec Smith, Farzan Sasangohar

J Med Internet Res 2020;22(9):e22817

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