| Author, year (Study name) | Arm | Brief description | Main mode of delivery | In-person support | Duration (mos) | Weight loss phase components | Maintenance components | Total # of sessions in first 12 mos | Setting | PCP involved? | Provider |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Cussler, 2008233 (HW4L) | IG1 | Web-based monitoring and support | Tech | 12 | Weekly group meetings (150 min/session) for 4 months Required weight loss to enter maintenance: None | 2 × website orientation sessions (60 min) and ongoing online support groups | 2 | NR | No | NR | |
| Pekkarinen, 2015282 | IG1 | Group counseling | Group | X | 12 | Week 2-11 included VLCDD followed by a 2-week refeeding phase. 15 weekly group sessions (1.5 hours) during 17-week weight loss phase. Required weight loss to enter maintenance: None | 12 × group sessions (90 min) | 12 | Outpatient obesity research clinic | NR | Nutritionist, nurse, and physiotherapist |
| Perri, 1988284 | IG1 | Group counseling plus social influence and increased physical activity | Group | X | 12 | Weekly 2-hour weekly group sessions for 20 weeks. Required weight loss to enter maintenance: None | 26 × group sessions (120 min) | 26 | NR | Yes | Clinical psychologist paired with physician or nurse practitioner |
| IG2 | Group counseling plus increased physical activity | Group | X | 12 | Weekly 2-hour weekly group sessions for 20 weeks. Required weight loss to enter maintenance: None | 26 × group sessions (120 min) | 26 | NR | Yes | Clinical psychologist paired with physician or nurse practitioner | |
| IG3 | Group counseling plus social influence program | Group | X | 12 | Weekly 2-hour weekly group sessions for 20 weeks. Required weight loss to enter maintenance: None | 26 × group sessions (120 min) | 26 | NR | Yes | Clinical psychologist paired with physician or nurse practitioner | |
| IG4 | Group counseling | Group | X | 12 | Weekly 2-hour weekly group sessions for 20 weeks. Required weight loss to enter maintenance: None | 26 × group sessions (120 min) | 26 | NR | Yes | Clinical psychologist paired with physician or nurse practitioner | |
| Sherwood, 2013294 (Keep It Off) | IG1 | Telephone-based counseling | Phone | No WL intervention given. Required weight loss to enter maintenance: ≥10% WL in past year | 10 × telephone calls (20 min) 14 × telephone calls (15 min) | 24 | Home | NR | NR | ||
| Simpson, 2015296 (WILMA) | IG1 | Individual counseling | Individual + Phone | X | 12 | No WL intervention given. Required weight loss to enter maintenance: ≥5% WL in past year | 6 × individual MI sessions (60 min) 9 × telephone counseling sessions (20 min) | 15 | NR | NR | Motivational interviewing practitioner |
| IG2 | Individual counseling | Individual + Phone | X | 12 | No WL intervention given. Required weight loss to enter maintenance: ≥5% WL in past year | Two individual sessions (length NR) followed by 2 phone sessions (~20 minutes) (about 6 months apart). | 4 | NR | NR | Motivational interviewing practitioner | |
| Svetkey, 2008303 (WLM) | IG1 | Individual and telephone counseling | Individual + Phone | X | 60 | Weekly group sessions (1.5-2 hours) over approximately 6 months (20 total). Required weight loss to enter maintenance: ≥4 kg during WL phase | Maintenance, phase 1: 23 × phone sessions (5-15 min) 7 × individual sessions (45-60 min) Maintenance, phase 2: Continued contact group only: 4 × group sessions (min NR) 26 × phone sessions (5-15 min) | 12 | NR | No | Research interventionist |
| IG2 | Web-based monitoring | Tech | 30 | Weekly group sessions (1.5-2 hours) over approximately 6 months (20 total). Required weight loss to enter maintenance: ≥4 kg during WL phase | No sessions. Web-based monitoring only. | 0 | NR | No | NA | ||
| Voils, 2017309 | IG1 | Group and individual counseling | Mixed | X | 10 | Biweekly group meetings for 16 weeks (8 sessions total). Required weight loss to enter maintenance: ≥4 kg during WL phase | 3 × group sessions (min NR) 8 × individual phone sessions (min NR) | 11 | University campus & home | No | Registered dietitian |
| Wing, 2006313 (STOP) | IG1 | Group counseling | Group | X | 18 | No WL intervention given. Required weight loss to enter maintenance: ≥10% WL in past 2 years | 4 × weekly meetings (min NR) 17 × monthly meetings (min NR) | 15 | Hospital clinic | NR | Nutritionist, exercise physiologist, and clinical psychologist |
| IG2 | Web-based intervention | Tech | 18 | No WL intervention given. Required weight loss to enter maintenance: ≥10% WL in past 2 years | 1 × introductory session (min NR) 4 × weekly chat-room meetings (min NR) 17 × monthly chat-room meetings (min NR) | 16 | Internet | NR | Nutritionist, exercise physiologist, and clinical psychologist | ||
| Young, 2017317 | IG1 | Web-based intervention | Tech | 6 | Self-administered weight loss program (DVD, logbooks, and motivational messaging). Required weight loss to enter maintenance: ≥4kg during WL phase | Web-based self-monitoring program (min NA) | 0 | Home (web-based) | NR | Research staff |
Abbreviations: HW4L = Healthy Weight for Life; IG = intervention group; kg = kilograms; min = minute(s); mos = months; NA = not applicable; NR = not reported; PCP = primary care provider; STOP = Study to Prevent Regain; Tech = technology-based; WILMA = Weight Loss Maintenance in Adults; WL = weight loss; WLM = Weight Loss Maintenance
From: Chapter 3, Results
NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.