Ignite Creation Date:
2025-12-25 @ 3:27 AM
Ignite Modification Date:
2026-03-05 @ 8:57 AM
Study NCT ID:
NCT02192905
Status:
COMPLETED
Last Update Posted:
2018-09-28
First Post:
2014-06-11
Is Gene Therapy:
True
Has Adverse Events:
True
Brief Title:
Feasibility Trial of a Problem-Solving Weight Loss Mobile Application
Sponsor:
Organization:
Raw JSON
{'hasResults': True, 'derivedSection': {'miscInfoModule': {'versionHolder': '2025-12-24'}, 'conditionBrowseModule': {'meshes': [{'id': 'D009765', 'term': 'Obesity'}, {'id': 'D015431', 'term': 'Weight Loss'}], 'ancestors': [{'id': 'D050177', 'term': 'Overweight'}, {'id': 'D044343', 'term': 'Overnutrition'}, {'id': 'D009748', 'term': 'Nutrition Disorders'}, {'id': 'D009750', 'term': 'Nutritional and Metabolic Diseases'}, {'id': 'D001835', 'term': 'Body Weight'}, {'id': 'D012816', 'term': 'Signs and Symptoms'}, {'id': 'D013568', 'term': 'Pathological Conditions, Signs and Symptoms'}, {'id': 'D001836', 'term': 'Body Weight Changes'}]}}, 'resultsSection': {'moreInfoModule': {'pointOfContact': {'email': 'study@umassmed.edu', 'phone': '508-856-5159', 'title': 'Sherry Pagoto, Professor', 'organization': 'University of Massachusetts Medical School'}, 'certainAgreement': {'piSponsorEmployee': False, 'restrictiveAgreement': False}}, 'adverseEventsModule': {'timeFrame': 'Participants were in the study for 16 weeks and were monitored for the occurrence of adverse events throughout the study. Adverse events were documented during the interventions, at the 8-week assessment, and the 16-week assessment.', 'eventGroups': [{'id': 'EG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Participants will receive 8 weeks of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention', 'otherNumAtRisk': 43, 'deathsNumAtRisk': 43, 'otherNumAffected': 9, 'seriousNumAtRisk': 43, 'deathsNumAffected': 0, 'seriousNumAffected': 0}], 'otherEvents': [{'term': 'Cold, flu, or virus', 'stats': [{'groupId': 'EG000', 'numAtRisk': 43, 'numEvents': 6, 'numAffected': 6}], 'organSystem': 'General disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Previous condition worsening', 'stats': [{'groupId': 'EG000', 'numAtRisk': 43, 'numEvents': 2, 'numAffected': 2}], 'organSystem': 'General disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}, {'term': 'Injury', 'notes': 'Injured back while cleaning', 'stats': [{'groupId': 'EG000', 'numAtRisk': 43, 'numEvents': 1, 'numAffected': 1}], 'organSystem': 'General disorders', 'assessmentType': 'SYSTEMATIC_ASSESSMENT'}], 'frequencyThreshold': '0'}, 'outcomeMeasuresModule': {'outcomeMeasures': [{'type': 'PRIMARY', 'title': 'Feasibility (Total Uses)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '43', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Participants will receive 8 weeks of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'classes': [{'categories': [{'measurements': [{'value': '23.7', 'spread': '19', 'groupId': 'OG000'}]}]}], 'paramType': 'MEAN', 'timeFrame': '8-week follow-up', 'description': 'Mean total uses of the problem solving function of the mobile application', 'unitOfMeasure': 'mean uses of the app', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}, {'type': 'PRIMARY', 'title': 'Feasibility (Total Habits Attempted)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '43', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Participants will receive 8 weeks of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'classes': [{'categories': [{'measurements': [{'value': '17.4', 'spread': '11.6', 'groupId': 'OG000'}]}]}], 'paramType': 'MEAN', 'timeFrame': '8-week follow-up', 'description': 'Total amount of new habits attempted during the study', 'unitOfMeasure': 'mean habits attempted', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}, {'type': 'PRIMARY', 'title': 'Feasibility (Recruitment Rates)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '559', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Participants will receive 8 weeks of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'classes': [{'categories': [{'measurements': [{'value': '43', 'groupId': 'OG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': 'Baseline', 'description': 'Recruitment rates include the total number of participants contacting us to participate, which includes the intervention participants plus those screened out prior to starting the intervention (Total screened = 559; Total intervention participants = 43)', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED', 'populationDescription': 'Of the total number of participants screened for this study (n=559), 7.69% (n=43) were enrolled into the intervention.'}, {'type': 'PRIMARY', 'title': 'Feasibility (Retention Rates)', 'denoms': [{'units': 'Participants', 'counts': [{'value': '43', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Participants will receive 8 weeks of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'classes': [{'categories': [{'measurements': [{'value': '42', 'groupId': 'OG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'timeFrame': '8-weeks', 'description': 'Total attendance at groups and total withdrawn from the study', 'unitOfMeasure': 'Participants', 'reportingStatus': 'POSTED'}, {'type': 'SECONDARY', 'title': 'Problem Solving Inventory', 'denoms': [{'units': 'Participants', 'counts': [{'value': '43', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Participants will receive 8 weeks of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'classes': [{'categories': [{'measurements': [{'value': '-.64', 'spread': '8.31', 'groupId': 'OG000'}]}]}], 'analyses': [{'pValue': '.63', 'groupIds': ['OG000'], 'paramType': 'Mean Difference (Final Values)', 'ciNumSides': 'TWO_SIDED', 'ciPctValue': '95', 'paramValue': '-.64', 'ciLowerLimit': '-3.34', 'ciUpperLimit': '2.05', 'dispersionType': 'STANDARD_DEVIATION', 'dispersionValue': '8.31', 'statisticalMethod': 't-test, 2 sided', 'nonInferiorityType': 'OTHER', 'nonInferiorityComment': 'One-sample t-test testing the mean positive problem solving change from baseline to week 8.'}], 'paramType': 'MEAN', 'timeFrame': '8-week follow-up', 'description': 'The social problem solving inventory measures strengths and weaknesses in ability to solve problems in all areas of life. The measure includes sub scales (positive problem orientation, rational problem-solving, negative problem orientation, impulsivity/carelessness style, and avoidance style). The means of the subscales are summed and then matched against an age chart to achieve the total score for the age being studied. This is done for each participant. The scoring range is 28 to 140. The higher the score the higher the problem solving ability.The change from baseline to 8-weeks is calculated by subtracting the baseline score from the 8 week score and then doing a 1-sample t-test of whether or not the change was different than 0.', 'unitOfMeasure': 'Total score', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}, {'type': 'SECONDARY', 'title': '% Weight Change', 'denoms': [{'units': 'Participants', 'counts': [{'value': '43', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Individuals randomized to this condition will receive 8 week of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'classes': [{'categories': [{'measurements': [{'value': '-1.9', 'spread': '3.0', 'groupId': 'OG000'}]}]}], 'analyses': [{'pValue': '<0.001', 'groupIds': ['OG000'], 'paramType': 'Mean Difference (Final Values)', 'ciNumSides': 'TWO_SIDED', 'ciPctValue': '95', 'paramValue': '-.019', 'ciLowerLimit': '-.0285', 'ciUpperLimit': '-.0096', 'dispersionType': 'STANDARD_DEVIATION', 'dispersionValue': '.03', 'statisticalMethod': 't-test, 2 sided', 'nonInferiorityType': 'OTHER', 'nonInferiorityComment': 'One-sample t-test testing the mean within-person percent weight change from baseline to week 8.'}], 'paramType': 'MEAN', 'timeFrame': '8-week follow-up', 'description': 'Measured in pounds with a digital scale', 'unitOfMeasure': 'percentage of pounds', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}, {'type': 'SECONDARY', 'title': '% Weight Change', 'denoms': [{'units': 'Participants', 'counts': [{'value': '43', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Individuals randomized to this condition will receive 8 week of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'classes': [{'categories': [{'measurements': [{'value': '-1.67', 'spread': '7.3', 'groupId': 'OG000'}]}]}], 'analyses': [{'pValue': '0.143', 'groupIds': ['OG000'], 'paramType': 'Mean Difference (Final Values)', 'ciNumSides': 'TWO_SIDED', 'ciPctValue': '95', 'paramValue': '-.017', 'ciLowerLimit': '-.039', 'ciUpperLimit': '.006', 'dispersionType': 'STANDARD_DEVIATION', 'dispersionValue': '.011', 'statisticalMethod': 't-test, 2 sided', 'nonInferiorityType': 'OTHER', 'nonInferiorityComment': 'One-sample t-test testing the mean within-person percent weight change from baseline to week 16.'}], 'paramType': 'MEAN', 'timeFrame': '16 week follow-up', 'description': 'Measured in pounds with a digital scale', 'unitOfMeasure': 'percentage of pounds', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}, {'type': 'SECONDARY', 'title': 'Social Problem Solving Inventory', 'denoms': [{'units': 'Participants', 'counts': [{'value': '43', 'groupId': 'OG000'}]}], 'groups': [{'id': 'OG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Participants will receive 8 weeks of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'classes': [{'categories': [{'measurements': [{'value': '-.76', 'spread': '13.07', 'groupId': 'OG000'}]}]}], 'analyses': [{'pValue': '.73', 'groupIds': ['OG000'], 'paramType': 'Mean Difference (Final Values)', 'ciNumSides': 'TWO_SIDED', 'ciPctValue': '95', 'paramValue': '-.76', 'ciLowerLimit': '-5.11', 'ciUpperLimit': '3.6', 'dispersionType': 'STANDARD_DEVIATION', 'dispersionValue': '13.07', 'statisticalMethod': 't-test, 2 sided', 'nonInferiorityType': 'OTHER', 'nonInferiorityComment': 'One-sample t-test testing the mean positive problem solving change from baseline to week 16.'}], 'paramType': 'MEAN', 'timeFrame': '16-week follow-up', 'description': 'The social problem solving inventory measures strengths and weaknesses in ability to solve problems in all areas of life. The measure includes sub scales (positive problem orientation, rational problem-solving, negative problem orientation, impulsivity/carelessness style, and avoidance style). The means of the subscales are summed and then matched against an age chart to achieve the total score for the age being studied. This is done for each participant. The scoring range is 28 to 140. The higher the score the higher the problem solving ability. The change from baseline to 16-weeks is calculated by subtracting the baseline score from the 16 week score and then doing a 1-sample t-test of whether or not the change was different than 0.', 'unitOfMeasure': 'Total score', 'dispersionType': 'Standard Deviation', 'reportingStatus': 'POSTED'}]}, 'participantFlowModule': {'groups': [{'id': 'FG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Individuals randomized to this condition will receive 8 weeks of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'periods': [{'title': 'Overall Study', 'milestones': [{'type': 'STARTED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '43'}]}, {'type': 'COMPLETED', 'achievements': [{'comment': 'Reporting a minimum of current weight at 16-week follow-up', 'groupId': 'FG000', 'numSubjects': '42'}]}, {'type': 'NOT COMPLETED', 'achievements': [{'groupId': 'FG000', 'numSubjects': '1'}]}], 'dropWithdraws': [{'type': 'Lost to Follow-up', 'reasons': [{'groupId': 'FG000', 'numSubjects': '1'}]}]}], 'preAssignmentDetails': 'In order to begin the intervention, participants needed to complete: an online eligibility screener, a telephone screening, the consent process, a screening survey, medical clearance, and a webinar. Missing any of these components would be reason for exclusion.'}, 'baselineCharacteristicsModule': {'denoms': [{'units': 'Participants', 'counts': [{'value': '43', 'groupId': 'BG000'}]}], 'groups': [{'id': 'BG000', 'title': 'Behavioral Weight Loss + Habit', 'description': 'Individuals randomized to this condition will receive 8 weeks of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.\n\nDiabetes Prevention Program Lifestyle Intervention'}], 'measures': [{'title': 'Age, Continuous', 'classes': [{'categories': [{'measurements': [{'value': '37.33', 'spread': '11.29', 'groupId': 'BG000'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'years', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Sex: Female, Male', 'classes': [{'categories': [{'title': 'Female', 'measurements': [{'value': '29', 'groupId': 'BG000'}]}, {'title': 'Male', 'measurements': [{'value': '14', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Ethnicity (NIH/OMB)', 'classes': [{'categories': [{'title': 'Hispanic or Latino', 'measurements': [{'value': '1', 'groupId': 'BG000'}]}, {'title': 'Not Hispanic or Latino', 'measurements': [{'value': '42', 'groupId': 'BG000'}]}, {'title': 'Unknown or Not Reported', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Race (NIH/OMB)', 'classes': [{'categories': [{'title': 'American Indian or Alaska Native', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}, {'title': 'Asian', 'measurements': [{'value': '1', 'groupId': 'BG000'}]}, {'title': 'Native Hawaiian or Other Pacific Islander', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}, {'title': 'Black or African American', 'measurements': [{'value': '5', 'groupId': 'BG000'}]}, {'title': 'White', 'measurements': [{'value': '35', 'groupId': 'BG000'}]}, {'title': 'More than one race', 'measurements': [{'value': '2', 'groupId': 'BG000'}]}, {'title': 'Unknown or Not Reported', 'measurements': [{'value': '0', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}, {'title': 'Region of Enrollment', 'classes': [{'title': 'United States', 'categories': [{'measurements': [{'value': '43', 'groupId': 'BG000'}]}]}], 'paramType': 'NUMBER', 'unitOfMeasure': 'participants'}, {'title': 'Weight', 'classes': [{'categories': [{'measurements': [{'value': '202.02', 'spread': '42.6', 'groupId': 'BG000'}]}]}], 'paramType': 'MEAN', 'unitOfMeasure': 'pounds', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Social-Problem Solving Inventory-Revised', 'classes': [{'categories': [{'measurements': [{'value': '107.3', 'spread': '14.75', 'groupId': 'BG000'}]}]}], 'paramType': 'MEAN', 'description': 'The social problem solving inventory measures strengths and weaknesses in ability to solve problems. The measure includes sub scales (positive problem orientation, rational problem-solving, negative problem orientation, impulsivity/carelessness style, and avoidance style). The means of the subscales are summed and then matched against an age chart to achieve the total score for the age being studied. This is done for each participant. The total score is being reported in these results. The scoring range includes 28 to 140. The higher the score the higher the problem solving ability.', 'unitOfMeasure': 'Total score', 'dispersionType': 'STANDARD_DEVIATION'}, {'title': 'Facebook Use', 'classes': [{'categories': [{'title': 'Uses Facebook 5-6 times per week', 'measurements': [{'value': '9', 'groupId': 'BG000'}]}, {'title': 'Uses Facebook daily or more', 'measurements': [{'value': '34', 'groupId': 'BG000'}]}]}], 'paramType': 'COUNT_OF_PARTICIPANTS', 'unitOfMeasure': 'Participants'}]}}, 'protocolSection': {'designModule': {'phases': ['NA'], 'studyType': 'INTERVENTIONAL', 'designInfo': {'allocation': 'NA', 'maskingInfo': {'masking': 'NONE'}, 'primaryPurpose': 'TREATMENT', 'interventionModel': 'SINGLE_GROUP'}, 'enrollmentInfo': {'type': 'ACTUAL', 'count': 45}}, 'statusModule': {'overallStatus': 'COMPLETED', 'startDateStruct': {'date': '2015-12'}, 'expandedAccessInfo': {'hasExpandedAccess': False}, 'statusVerifiedDate': '2018-09', 'completionDateStruct': {'date': '2017-01', 'type': 'ACTUAL'}, 'lastUpdateSubmitDate': '2018-09-26', 'studyFirstSubmitDate': '2014-06-11', 'resultsFirstSubmitDate': '2017-09-05', 'studyFirstSubmitQcDate': '2014-07-15', 'lastUpdatePostDateStruct': {'date': '2018-09-28', 'type': 'ACTUAL'}, 'resultsFirstSubmitQcDate': '2018-01-24', 'studyFirstPostDateStruct': {'date': '2014-07-17', 'type': 'ESTIMATED'}, 'resultsFirstPostDateStruct': {'date': '2018-02-22', 'type': 'ACTUAL'}, 'primaryCompletionDateStruct': {'date': '2017-01', 'type': 'ACTUAL'}}, 'outcomesModule': {'primaryOutcomes': [{'measure': 'Feasibility (Total Uses)', 'timeFrame': '8-week follow-up', 'description': 'Mean total uses of the problem solving function of the mobile application'}, {'measure': 'Feasibility (Total Habits Attempted)', 'timeFrame': '8-week follow-up', 'description': 'Total amount of new habits attempted during the study'}, {'measure': 'Feasibility (Recruitment Rates)', 'timeFrame': 'Baseline', 'description': 'Recruitment rates include the total number of participants contacting us to participate, which includes the intervention participants plus those screened out prior to starting the intervention (Total screened = 559; Total intervention participants = 43)'}, {'measure': 'Feasibility (Retention Rates)', 'timeFrame': '8-weeks', 'description': 'Total attendance at groups and total withdrawn from the study'}], 'secondaryOutcomes': [{'measure': 'Problem Solving Inventory', 'timeFrame': '8-week follow-up', 'description': 'The social problem solving inventory measures strengths and weaknesses in ability to solve problems in all areas of life. The measure includes sub scales (positive problem orientation, rational problem-solving, negative problem orientation, impulsivity/carelessness style, and avoidance style). The means of the subscales are summed and then matched against an age chart to achieve the total score for the age being studied. This is done for each participant. The scoring range is 28 to 140. The higher the score the higher the problem solving ability.The change from baseline to 8-weeks is calculated by subtracting the baseline score from the 8 week score and then doing a 1-sample t-test of whether or not the change was different than 0.'}, {'measure': '% Weight Change', 'timeFrame': '8-week follow-up', 'description': 'Measured in pounds with a digital scale'}, {'measure': '% Weight Change', 'timeFrame': '16 week follow-up', 'description': 'Measured in pounds with a digital scale'}, {'measure': 'Social Problem Solving Inventory', 'timeFrame': '16-week follow-up', 'description': 'The social problem solving inventory measures strengths and weaknesses in ability to solve problems in all areas of life. The measure includes sub scales (positive problem orientation, rational problem-solving, negative problem orientation, impulsivity/carelessness style, and avoidance style). The means of the subscales are summed and then matched against an age chart to achieve the total score for the age being studied. This is done for each participant. The scoring range is 28 to 140. The higher the score the higher the problem solving ability. The change from baseline to 16-weeks is calculated by subtracting the baseline score from the 16 week score and then doing a 1-sample t-test of whether or not the change was different than 0.'}]}, 'oversightModule': {'oversightHasDmc': True}, 'conditionsModule': {'conditions': ['Obesity', 'Weight Loss']}, 'referencesModule': {'references': [{'pmid': '29925496', 'type': 'DERIVED', 'citation': 'Pagoto S, Tulu B, Agu E, Waring ME, Oleski JL, Jake-Schoffman DE. Using the Habit App for Weight Loss Problem Solving: Development and Feasibility Study. JMIR Mhealth Uhealth. 2018 Jun 20;6(6):e145. doi: 10.2196/mhealth.9801.'}]}, 'descriptionModule': {'briefSummary': 'The purpose of this research was to develop and test the feasibility of Habit, a weight loss mobile application that was designed to coach patients through their weight loss challenges. In a pilot trial in 43 obese participants, investigators tested the feasibility of the Smart Coach mobile application when paired with a shortened online-delivered (8-week) behavioral weight loss intervention. Feasibility outcomes included frequency and duration of usage of the mobile app and each feature, recruitment, and retention. Post-intervention focus groups discussed the feasibility and acceptability of the intervention. The investigators also performed exploratory analyses comparing conditions on problem solving skills and weight loss at 8 and 16 weeks, which will inform a subsequent randomized controlled efficacy trial.', 'detailedDescription': 'The investigators developed and tested the feasibility of Habit, a weight loss mobile app that includes common features such as self-monitoring, goal setting, and a social network, but even more importantly, an avatar-facilitated, idiographic problem solving feature that processes information intelligently to help patients identify solutions to their weight loss problems. In a pilot trial in 43 obese participants, investigators tested the feasibility of the Habit mobile application when paired with a shortened (8 week) behavioral weight loss intervention. Feasibility outcomes included frequency and duration of usage of the mobile app and each feature, recruitment, and retention. The investigators also performed analyses on problem solving skills and weight loss at 8 and 16 weeks, which will inform a subsequent randomized controlled efficacy trial. Data will support an efficacy trial of a Habit-assisted brief behavioral weight loss intervention relative to a brief behavioral weight loss intervention alone with 1 year follow-up. The investigators overarching goal is to develop mobile technology that reduces the intensity of lifestyle interventions as far as possible while preserving weight loss outcomes, to ultimately broaden reach.'}, 'eligibilityModule': {'sex': 'ALL', 'stdAges': ['ADULT', 'OLDER_ADULT'], 'minimumAge': '18 Years', 'healthyVolunteers': True, 'eligibilityCriteria': 'Inclusion: Participants must 1) have a BMI between 30 and 45, 2) currently uses a smartphone with Android software, 3) have connectivity to the internet at home and work, 4) have PCP written clearance, and 5) age 18 or older.\n\nExclusion:\n\n1. Ages \\<18\n2. BMI \\<30 and \\>45\n3. Does not currently use a smart phone with Android software version 4.4 or later\n4. Does not use a smartphone supported by the app (will assess model and type of phone for each participant)\n5. Does not have connectivity to the internet at home and work; or wifi access at home\n6. Does not use smart phone regularly throughout the day\n7. Has not used Android smartphone for at least a year\n8. Has not used a weight loss mobile app in the last 6 months\n9. Does not have a Facebook account, uses it infrequently, or does not actively engage on Facebook\n10. Does not have a gmail account or is unwilling to create one\n11. Does not have PCP written clearance\n12. Bipolar disorder, substance abuse, psychosis, bulimia, or severe depression\n13. Pregnant or lactating\n14. Had bariatric surgery\n15. Medication affecting weight\n16. Adults unwilling to provide consent\n17. Prisoners\n18. Unable to read or understand English\n19. Has type 1 or 2 diabetes\n20. Have concerns about being audiotaped\n21. Unable to walk unaided\n22. Has any medical condition that precludes lifestyle changes'}, 'identificationModule': {'nctId': 'NCT02192905', 'briefTitle': 'Feasibility Trial of a Problem-Solving Weight Loss Mobile Application', 'organization': {'class': 'OTHER', 'fullName': 'University of Connecticut'}, 'officialTitle': 'Feasibility Trial of a Problem-Solving Weight Loss Mobile Application', 'orgStudyIdInfo': {'id': 'H17-237'}, 'secondaryIdInfos': [{'id': '1R21DK098556-01', 'link': 'https://reporter.nih.gov/quickSearch/1R21DK098556-01', 'type': 'NIH'}]}, 'armsInterventionsModule': {'armGroups': [{'type': 'EXPERIMENTAL', 'label': 'Behavioral Weight Loss + Habit', 'description': 'Participants will receive 8 week of an online-delivered weight loss intervention adapted from the Diabetes Prevention Program Lifestyle Intervention and will use the Habit mobile app during the study.', 'interventionNames': ['Behavioral: Diabetes Prevention Program Lifestyle Intervention']}], 'interventions': [{'name': 'Diabetes Prevention Program Lifestyle Intervention', 'type': 'BEHAVIORAL', 'armGroupLabels': ['Behavioral Weight Loss + Habit']}]}, 'contactsLocationsModule': {'locations': [{'zip': '06269', 'city': 'Storrs', 'state': 'Connecticut', 'country': 'United States', 'facility': 'University of Connecticut', 'geoPoint': {'lat': 41.80843, 'lon': -72.24952}}], 'overallOfficials': [{'name': 'Sherry L Pagoto, PhD', 'role': 'PRINCIPAL_INVESTIGATOR', 'affiliation': 'University of Connecticut'}]}, 'sponsorCollaboratorsModule': {'leadSponsor': {'name': 'University of Connecticut', 'class': 'OTHER'}, 'collaborators': [{'name': 'Worcester Polytechnic Institute', 'class': 'OTHER'}], 'responsibleParty': {'type': 'PRINCIPAL_INVESTIGATOR', 'investigatorTitle': 'Professor', 'investigatorFullName': 'Sherry Pagoto', 'investigatorAffiliation': 'University of Connecticut'}}}}