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Vol 11, No 3 (2009) - Jul-Sep


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Original Papers

Text Mining and Natural Language Processing Approaches for Automatic Categorization of Lay Requests to Web-Based Expert Forums

Wolfgang Himmel, Ulrich Reincke, Hans Wilhelm Michelmann

J Med Internet Res 2009 (Jul 22); 11(3):e25

HTML PDF XML Abstract

Background: Both healthy and sick people increasingly use electronic media to obtain medical information and advice. For example, Internet users may send requests to Web-based expert forums, or so-called “ask the doctor” services. Objective: To automatically classify lay requests to an Internet medical expert forum using a combination of different text-mining strategies. Methods: We first manually classified a sample of 988 requests directed to a involuntary childlessness forum on...

An Evaluation of Patient-Physician Communication Style During Telemedicine Consultations

Zia Agha, Debra L. Roter, Ralph M. Schapira

J Med Internet Res 2009 (Sep 30); 11(3):e36

HTML PDF XML Abstract

Background: The quality of physician-patient communication is a critical factor influencing treatment outcomes and patient satisfaction with care. To date, there is little research to document the effect of telemedicine (TM) on physician-patient communication. Objective: The objectives of this study are to measure and describe verbal and nonverbal communication during clinical TM consultations and to compare TM with in-person (IP) consultations in terms of the quality of physician-patient...

Potential Benefits and Harms of a Peer Support Social Network Service on the Internet for People With Depressive Tendencies: Qualitative Content Analysis and Social Network Analysis

Yoshimitsu Takahashi, Chiyoko Uchida, Koichi Miyaki, Michi Sakai, Takuro Shimbo, Takeo Nakayama

J Med Internet Res 2009 (Jul 23); 11(3):e29

HTML PDF XML Abstract

Background: Internet peer support groups for depression are becoming popular and could be affected by an increasing number of social network services (SNSs). However, little is known about participant characteristics, social relationships in SNSs, and the reasons for usage. In addition, the effects of SNS participation on people with depression are rather unknown. Objective: The aim was to explore the potential benefits and harms of an SNS for depression based on a concurrent triangulation...

A Brief Web-Based Screening Questionnaire for Common Mental Disorders: Development and Validation

Tara Donker, Annemieke van Straten, Isaac M. Marks, Pim Cuijpers

J Med Internet Res 2009 (Jul 24); 11(3):e19

HTML PDF XML Abstract

Background: The advent of Internet-based self-help systems for common mental disorders has generated a need for quick ways to triage would-be users to systems appropriate for their disorders. This need can be met by using brief online screening questionnaires, which can also be quickly used to screen patients prior to consultation with a GP. Objective: To test and enhance the validity of the Web Screening Questionnaire (WSQ) to screen for: depressive disorder, alcohol abuse/dependence, GAD,...

Associations of Leisure-Time Internet and Computer Use With Overweight and Obesity, Physical Activity and Sedentary Behaviors: Cross-Sectional Study

Corneel Vandelanotte, Takemi Sugiyama, Paul Gardiner, Neville Owen

J Med Internet Res 2009 (Jul 27); 11(3):e28

HTML PDF XML Abstract

Background: Internet and computer use are increasingly common leisure-time sedentary behaviors, which have the potential to impact negatively on health outcomes. However, little is known about the extent to which adults’ Internet and computer use is associated with weight status and time spent in leisure-time physical activity. Objective: The objective is to examine associations of leisure-time Internet and computer use with overweight and obesity, leisure-time physical activity, and...

Effectiveness of Active-Online, an Individually Tailored Physical Activity Intervention, in a Real-Life Setting: Randomized Controlled Trial

Miriam Wanner, Eva Martin-Diener, Charlotte Braun-Fahrländer, Georg Bauer, Brian Winfried Martin

J Med Internet Res 2009 (Jul 28); 11(3):e23

HTML PDF XML Abstract

Background: Effective interventions are needed to reduce the chronic disease epidemic. The Internet has the potential to provide large populations with individual advice at relatively low cost. Objective: The focus of the study was the Web-based tailored physical activity intervention Active-online. The main research questions were (1) How effective is Active-online, compared to a nontailored website, in increasing self-reported and objectively measured physical activity levels in the general...

Feasibility and Effectiveness of Online Physical Activity Advice Based on a Personal Activity Monitor: Randomized Controlled Trial

Sander Slootmaker, Mai Chinapaw, Albertine Schuit, Jacob Seidell, Willem van Mechelen

J Med Internet Res 2009 (Jul 29); 11(3):e27

HTML PDF XML Abstract

Background: Inactive people are often not aware of the fact that they are insufficiently active. Providing insight into their actual physical activity (PA) levels may raise awareness and could, in combination with tailored PA advice, stimulate a physically active lifestyle. Objective: This study evaluated the feasibility and effectiveness of a 3-month intervention in which Dutch office workers were provided with a personal activity monitor (PAM) coupled to simple and concise Web-based...

Nationwide Implementation of Hello World: A Dutch Email-Based Health Promotion Program for Pregnant Women

Mariska Bot, Ivon EJ Milder, Wanda JE Bemelmans

J Med Internet Res 2009 (Jul 30); 11(3):e24

HTML PDF XML Abstract

Background: In November 2006, an email-based health promotion program for pregnant women was implemented nationally in the Netherlands. The program consisted of emails containing quizzes with pregnancy-related questions tailored to the number of weeks of pregnancy. Emails were sent out once every 4 weeks, up to a maximum of nine emails. Objectives: The aims of the study were (1) to assess the recruitment of participants and their representativeness of the Dutch population and (2) to study...

What Is My Cancer Risk? How Internet-Based Cancer Risk Assessment Tools Communicate Individualized Risk Estimates to the Public: Content Analysis

Erika A. Waters, Helen W. Sullivan, Wendy Nelson, Bradford W. Hesse

J Med Internet Res 2009 (Jul 31); 11(3):e33

HTML PDF XML Abstract

Background: Internet-based cancer risk assessment tools have the potential to inform the public about cancer risk and promote risk-reducing behaviors. However, poorly communicated information on these websites may result in unintended adverse health outcomes. Objective: This study examined whether: (1) Internet-based cancer risk assessment tools use risk communication formats that facilitate comprehension and reduce bias (as identified by the empirical literature); (2) the use of these...

Mobile and Fixed Computer Use by Doctors and Nurses on Hospital Wards: Multi-method Study on the Relationships Between Clinician Role, Clinical Task, and Device Choice

Pia Andersen, Anne-Mette Lindgaard, Mirela Prgomet, Nerida Creswick, Johanna Westbrook

J Med Internet Res 2009 (Aug 04); 11(3):e32

HTML PDF XML Abstract

Background: Selecting the right mix of stationary and mobile computing devices is a significant challenge for system planners and implementers. There is very limited research evidence upon which to base such decisions. Objective: We aimed to investigate the relationships between clinician role, clinical task, and selection of a computer hardware device in hospital wards. Methods: Twenty-seven nurses and eight doctors were observed for a total of 80 hours as they used a range of computing...

Patients’ Attitudes Toward Electronic Health Information Exchange: Qualitative Study

Steven Simon, J. Stewart Evans, Alison Benjamin, David Delano, David Bates

J Med Internet Res 2009 (Aug 06); 11(3):e30

HTML PDF XML Abstract

Background: In many countries, there has been substantial progress in establishing the electronic transmission of patients’ health information between health care providers, but little is known about how best to engage patients in the process. Objective: We explored patients’ views about sharing of electronic health information and their preferences for learning about and participating in this process. Methods: Patients in one Massachusetts community in the northeastern United...

Ability to Generate Patient Registries Among Practices With and Without Electronic Health Records

Adam Wright, Elizabeth McGlinchey, Eric Poon, Chelsea Jenter, David Bates, Steven Simon

J Med Internet Res 2009 (Aug 10); 11(3):e31

HTML PDF XML Abstract

Background: The ability to generate registries of patients with particular clinical attributes, such as diagnoses or medications taken, is central to measuring and improving the quality of health care. However, it is not known how many providers have the ability to generate such registries. Objectives: To assess the proportion of physician practices that can construct registries of patients with specific diagnoses, laboratory results, or medications, and to determine the relationship...

Test-Retest Reliability of Web-Based Retrospective Self-Report of Tobacco Exposure and Risk

Janet Brigham, Christina Lessov-Schlaggar, Harold Javitz, Ruth Krasnow, Mary McElroy, Gary Swan

J Med Internet Res 2009 (Aug 11); 11(3):e35

HTML PDF XML Abstract

Background: Retrospectively collected data about the development and maintenance of behaviors that impact health are a valuable source of information. Establishing the reliability of retrospective measures is a necessary step in determining the utility of that methodology and in studying behaviors in the context of risk and protective factors. Objective: The goal of this study was to examine the reliability of self-report of a specific health-affecting behavior, tobacco use, and its...

Effect of Home-Based Telemonitoring Using Mobile Phone Technology on the Outcome of Heart Failure Patients After an Episode of Acute Decompensation: Randomized Controlled Trial

Daniel Scherr, Peter Kastner, Alexander Kollmann, Andreas Hallas, Johann Auer, Heinz Krappinger, Herwig Schuchlenz, Gerhard Stark, Wilhelm Grander, Gabriele Jakl, Guenter Schreier, Friedrich M Fruhwald, the MOBITEL investigators

J Med Internet Res 2009 (Aug 17); 11(3):e34

HTML PDF XML Abstract

Background: Telemonitoring of patients with chronic heart failure (CHF) is an emerging concept to detect early warning signs of impending acute decompensation in order to prevent hospitalization. Objective: The goal of the MOBIle TELemonitoring in Heart Failure Patients Study (MOBITEL) was to evaluate the impact of home-based telemonitoring using Internet and mobile phone technology on the outcome of heart failure patients after an episode of acute decompensation. Methods: Patients were...

The Effect of Credibility-Related Design Cues on Responses to a Web-Based Message About the Breast Cancer Risks From Alcohol: Randomized Controlled Trial

Peter Harris, Elizabeth Sillence, Pamela Briggs

J Med Internet Res 2009 (Aug 25); 11(3):e37

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Background: Internet sites typically contain visual design elements that are unrelated to the quality of the health information presented but that could influence credibility judgments and responses to health advice. To assess the effects of such design elements, or credibility cues, experimentally, we exposed women with different levels of weekly alcohol consumption to a website containing high quality but unpalatable information about a related health risk (breast cancer). The information...

Recruitment to a Randomized Web-Based Nutritional Intervention Trial: Characteristics of Participants Compared to Non-Participants

Melanie Stopponi, Debra Ritzwoller, Gwen Alexander, Nikki Carroll, George Divine, Josephine Calvi, Jennifer McClure, Sharon Rolnick, Christine Johnson, Victor Strecher

J Med Internet Res 2009 (Aug 26); 11(3):e38

HTML PDF XML Abstract

Background: Web-based behavioral programs efficiently disseminate health information to a broad population, and online tailoring may increase their effectiveness. While the number of Internet-based behavioral interventions has grown in the last several years, additional information is needed to understand the characteristics of subjects who enroll in these interventions, relative to those subjects who are invited to enroll. Objective: The aim of the study was to compare the characteristics...

An Internet Tool for Creation of Cancer Survivorship Care Plans for Survivors and Health Care Providers: Design, Implementation, Use and User Satisfaction

Christine E. Hill-Kayser, Carolyn Vachani, Margaret K. Hampshire, Linda A. Jacobs, James M. Metz

J Med Internet Res 2009 (Sep 04); 11(3):e39

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Background: Survivorship care plans have been recommended by the Institute of Medicine for all cancer survivors. We implemented an Internet-based tool for creation of individualized survivorship care plans. To our knowledge, this is the first tool of this type to be designed and made publicly accessible. Objective: To investigate patterns of use and satisfaction with an Internet-based tool for creation of survivorship care plans. Methods: OncoLife, an Internet-based...

Review

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

Kathleen Margaret Griffiths, Alison L Calear, Michelle Banfield

J Med Internet Res 2009 (Sep 30); 11(3):e40

HTML PDF XML Abstract

Background: Internet support groups (ISGs) enable individuals with specific health problems to readily communicate online. Peer support has been postulated to improve mental health, including depression, through the provision of social support. Given the growing role of ISGs for both users with depression and those with a physical disorder, there is a need to evaluate the evidence concerning the efficacy of ISGs in reducing depressive symptoms. Objective: The objective was to systematically...

Systematic Review on Internet Support Groups (ISGs) and Depression (2): What Is Known About Depression ISGs?

Kathleen Margaret Griffiths, Alison L Calear, Michelle A Banfield, Ada Tam

J Med Internet Res 2009 (Sep 30); 11(3):e41

HTML PDF XML Abstract

Background: Internet support groups (ISGs) are a popular means by which consumers with depression communicate online. A number of studies have evaluated the nature and impact of depression-specific ISGs. However, to date there have been no published systematic reviews of this evidence. Objective: The aim was to systematically identify and summarize the available evidence concerning the scope and findings of studies of depression ISGs. Methods: Three databases (PubMed, PsycINFO, Cochrane)...