Search Articles

Two New Meal- and Web-Based Interactive Food Frequency Questionnaires: Validation of Energy and Macronutrient Intake

After a time test, LifeGene decided to use MiniMeal-Q. We validated MiniMeal-Q in the present study by truncating Meal-Q data to simulate MiniMeal-Q.

Sara E Christensen, Elisabeth Möller, Stephanie E Bonn, Alexander Ploner, Antony Wright, Arvid Sjölander, Olle Bälter, Lauren Lissner, Katarina Bälter

J Med Internet Res 2013;15(6):e109

Download Citation: END BibTex RIS

Relative Validity of Micronutrient and Fiber Intake Assessed With Two New Interactive Meal- and Web-Based Food Frequency Questionnaires

By using truncated data from Meal-Q, we simulated a validity evaluation of MiniMeal-Q.

Sara E Christensen, Elisabeth Möller, Stephanie E Bonn, Alexander Ploner, Olle Bälter, Lauren Lissner, Katarina Bälter

J Med Internet Res 2014;16(2):e59

Download Citation: END BibTex RIS

A Reinforcement Learning–Based Method for Management of Type 1 Diabetes: Exploratory Study

Q-learning works by estimating a set of Q-values, which serves as the role of a value function. In the Q-learning algorithm, Q-values are estimated for each state-action (st,at) combination.

Mahsa Oroojeni Mohammad Javad, Stephen Olusegun Agboola, Kamal Jethwani, Abe Zeid, Sagar Kamarthi

JMIR Diabetes 2019;4(3):e12905

Download Citation: END BibTex RIS

Pragmatists, Positive Communicators, and Shy Enthusiasts: Three Viewpoints on Web Conferencing in Health Sciences Education

Yet a recent review of e-learning research in Canada indicated that the majority of the research appears to have focused on distance education, with less attention placed on hybrid/blended (mixed online and face-to-face) learning contexts.

Ruta Valaitis, Noori Akhtar-Danesh, Kevin Eva, Anthony Levinson, Bruce Wainman

J Med Internet Res 2007;9(5):e39

Download Citation: END BibTex RIS

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

Using actual Q&As from Q&A websites and applying a nonparticipatory data collection method, where the observer does not participate in the social setting, improve the precision of the research results [21].

Fatemeh Ameri, Kathleen Keeling, Reza Salehnejad

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

Download Citation: END BibTex RIS

Active-Q: Validation of the Web-Based Physical Activity Questionnaire Using Doubly Labeled Water

Participants received the first Active-Q questionnaire (Active-Q-I ) 7 days after the start of the study; they received the second questionnaire (Active-Q-II) two weeks later. Questionnaires were distributed via email.

Stephanie Erika Bonn, Ylva Trolle Lagerros, Sara Elisabeth Christensen, Elisabeth Möller, Antony Wright, Arvid Sjölander, Katarina Bälter

J Med Internet Res 2012;14(1):e29

Download Citation: END BibTex RIS

Web-Based Measure of Life Events Using Computerized Life Events and Assessment Record (CLEAR): Preliminary Cross-Sectional Study of Reliability, Validity, and Association With Depression

Additional questionnaires included the List of Threatening Experiences Questionnaire (LTE-Q) and General Health Questionnaire.Life events and long-term problems are subsumed under 3 overarching groups, each of which is organized into several categories based

Antonia Bifulco, Ruth Spence, Stephen Nunn, Lisa Kagan, Deborah Bailey-Rodriguez, Georgina M Hosang, Matthew Taylor, Helen L Fisher

JMIR Ment Health 2019;6(1):e10675

Download Citation: END BibTex RIS

Recruiting Student Health Coaches to Improve Digital Blood Pressure Management: Randomized Controlled Pilot Study

OutcomesThere was a total of 97 and 264 distinct uses of QardioArm in the Q group and S+Q group, respectively.

Elena Vasti, Mark J Pletcher

JMIR Form Res 2020;4(8):e13637

Download Citation: END BibTex RIS

SimQ: Real-Time Retrieval of Similar Consumer Health Questions

Developing efficient methods to retrieve similar questions on the Q&A platforms can help unleash the power of the archived Q&A as important knowledge bases, and make the archived information more accessible to consumers.

Jake Luo, Guo-Qiang Zhang, Susan Wentz, Licong Cui, Rong Xu

J Med Internet Res 2015;17(2):e43

Download Citation: END BibTex RIS

A Validation Study of the Web-Based Physical Activity Questionnaire Active-Q Against the GENEA Accelerometer

The total time reported in each category was calculated from Active-Q.

Stephanie Erika Bonn, Patrick Bergman, Ylva Trolle Lagerros, Arvid Sjölander, Katarina Bälter

JMIR Res Protoc 2015;4(3):e86

Download Citation: END BibTex RIS