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- Title
Comparing Outcomes of a Digital Commercial Weight Loss Program in Adult Cancer Survivors and Matched Controls with Overweight or Obesity: Retrospective Analysis.
- Authors
May, Christine N.; Ho, Annabell Suh; Yang, Qiuchen; McCallum, Meaghan; Iyengar, Neil M.; Comander, Amy; Mitchell, Ellen Siobhan; Michaelides, Andreas
- Abstract
Maintaining a healthy weight is beneficial for cancer survivors. However, weight loss program effectiveness studies have primarily been in highly controlled settings. This is a retrospective study exploring real-world outcomes (weight loss and program engagement) after use of a digital commercial weight loss program (Noom) in cancer survivors and matched controls. All participants had voluntarily self-enrolled in Noom. Weight and engagement data were extracted from the program. Cancer-related quality of life was secondarily assessed in a one-time cross-sectional survey for survivors. Controls were a sample of Noom users with overweight/obesity who had no history of cancer but 0–1 chronic conditions. Primary outcomes were weight change at 16 weeks and program engagement over 16 weeks. Engagement included frequency of weight, food, and physical activity logging, as well as number of coach messages. Multiple regression controlling for baseline age, gender, engagement, and BMI showed that survivors lost less weight than controls (B = −2.40, s.e. = 0.97, p = 0.01). Survivors also weighed in less (survivors: 5.4 [2.3]; controls: 5.7 [2.1], p = 0.01) and exercised less (survivors: 1.8 [3.2]; controls: 3.2 [4.1], p < 0.001) than controls. However, survivors sent more coach messages (survivors: 2.1 [2.4]; controls: 1.7 [2.0], p < 0.001). Despite controls losing more weight than cancer survivors (−7.0 kg vs. −5.3 kg), survivors lost significant weight in 4 months (M = −6.2%). Cancer survivors can have success on digital commercial programs available outside of a clinical trial. However, they may require additional support to engage in weight management behaviors.
- Subjects
OBESITY treatment; EVALUATION of human services programs; CROSS-sectional method; MULTIPLE regression analysis; RETROSPECTIVE studies; CANCER patients; SURVEYS; COMPARATIVE studies; TREATMENT effectiveness; WEIGHT loss; QUALITY of life; DESCRIPTIVE statistics; HEALTH behavior; PATIENT compliance; TEXT messages; HEALTH promotion; TELEMEDICINE
- Publication
Nutrients, 2021, Vol 13, Issue 9, p2908
- ISSN
2072-6643
- Publication type
Article
- DOI
10.3390/nu13092908