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Privacy-Preserving Patient Similarity Learning in a Federated Environment: Development and Analysis

Privacy-Preserving Patient Similarity Learning in a Federated Environment: Development and Analysis

The framework basically constructs an objective function in terms of {Wk}Kk=1 such as shown in equation 3, where λS, λU, and λW are regularizers of S ({Wk}Kk=1), U ({Wk}Kk=1), and Ω({Wk}Kk=1), respectively, and then minimizes (or maximizes) it:(3) J ({W

Junghye Lee, Jimeng Sun, Fei Wang, Shuang Wang, Chi-Hyuck Jun, Xiaoqian Jiang

JMIR Med Inform 2018;6(2):e20


Systematic Review on Internet Support Groups (ISGs) and Depression (1): Do ISGs Reduce Depressive Symptoms?

Systematic Review on Internet Support Groups (ISGs) and Depression (1): Do ISGs Reduce Depressive Symptoms?

Breast Cancer Winzelberg 2003 [29]USAN = 72 women with BC, diagnosed in past 32 mths I = 36; C =36 Recruitment: Advertisements in media and oncology offices RCT/WLCRandomizationmethod not specified12-wk Web-based structured newsgroup ISG (Bosom Buddies)One topic

Kathleen Margaret Griffiths, Alison L Calear, Michelle Banfield

J Med Internet Res 2009;11(3):e40


You Get What You Pay for on Health Care Question and Answer Platforms: Nonparticipant Observational Study

You Get What You Pay for on Health Care Question and Answer Platforms: Nonparticipant Observational Study

For Google Answers (a platform using financial incentives), Chen et al found that higher financial incentives led to longer but not better answers [24], whereas Harper et al found Google Answers to have higher answer quality information compared with free Q

Fatemeh Ameri, Kathleen Keeling, Reza Salehnejad

J Med Internet Res 2020;22(1):e13534


Surviving and Thriving With Cancer Using a Web-Based Health Behavior Change Intervention: Randomized Controlled Trial

Surviving and Thriving With Cancer Using a Web-Based Health Behavior Change Intervention: Randomized Controlled Trial

The intervention group experienced an improvement from baseline to 6 months compared to the control group: reduced insomnia (9.6 to 9.2 compared to 9.6 to 10.1, P=.03), increased strenuous exercise (32 to 51 min/wk compared to a steady 29 min/wk, P=.01), and

Erin O'Carroll Bantum, Cheryl L Albright, Kami K White, Jeffrey L Berenberg, Gabriela Layi, Phillip L Ritter, Diana Laurent, Katy Plant, Kate Lorig

J Med Internet Res 2014;16(2):e54


Web-Based Interventions for Weight Loss or Weight Loss Maintenance in Overweight and Obese People: A Systematic Review of Systematic Reviews

Web-Based Interventions for Weight Loss or Weight Loss Maintenance in Overweight and Obese People: A Systematic Review of Systematic Reviews

sites; SCI: Science Citation Index.Table 2 Characteristics of the included systematic reviews (continued) (N=20).a Author, publication year NAge (years)Women, %BMIDuration of the intervention, mean or rangeb Country (race)c Outcomes Tsai et al, 2005 [22]1877———12 wk

Angela Sorgente, Giada Pietrabissa, Gian Mauro Manzoni, Federica Re, Susan Simpson, Sara Perona, Alessandro Rossi, Roberto Cattivelli, Marco Innamorati, Jeffrey B Jackson, Gianluca Castelnuovo

J Med Internet Res 2017;19(6):e229


Web-based Intervention to Promote Physical Activity by Sedentary Older Adults: Randomized Controlled Trial

Web-based Intervention to Promote Physical Activity by Sedentary Older Adults: Randomized Controlled Trial

The outcome measures with medium effect sizes or larger include cardiovascular exercises min/wk (eta-square = .07), stretching exercises min/wk (eta-square = .07), strength exercises min/wk (eta-square = .11), balance exercises min/wk (eta-square = .09), number

A. Blair Irvine, Vicky A. Gelatt, John R. Seeley, Pamela Macfarlane, Jeff M. Gau

J Med Internet Res 2013;15(2):e19