Evaluation of a portable device to record dietary intake in women using commercial weight-loss programs

Abstract Objectives We compared self-monitoring adherence in participants randomized to two weight loss programs: a STANDARDIZED, one-size-fits-all, low-fat diet, or a diet PERSONALIZED to minimize the postprandial glycemic response. Methods Participants were adults with pre-diabetes or type 2 diabetes, and a BMI >27 k/m2. Both groups were instructed to restrict total calories, monitor dietary intake with the Personal Nutrition Program (PNP) smartphone app, and attend videoconference behavioral counseling sessions on the same intervention schedule. STANDARDIZED (n = 12) received app feedback about intake of total calories and dietary fat. PERSONALIZED (n = 20) received app feedback about intake of total calories plus a meal-specific predicted glycemic score. Total meal entries were measured at 1, 2 and 3 months. Self-monitoring adherence was defined as logging >50% of expected meals each month into the PNP app, assuming 3 meals/day. Session attendance was also measured. Repeated measures binomial logistic regression analysis was used to assess change in adherence due to treatment group, time (i.e., months), and the interaction between treatment and time, adjusting for age, gender and BMI. Results Proportion adherent was 75.0%, 41.7% and 8.3% in the STANDARDIZED group and 85.0%, 80.0% and 75.0% in the PERSONALIZED group during months 1, 2 and 3, respectively. The repeated measures model demonstrated a significant effect of month (P < 0.001) and a treatment*month interaction (P = 0.011). After adjusting for covariates, these effects remained significant, showing a significant reduction in odds of adherence by month (OR [95%CI]: 0.13 [0.05, 0.37]; P < 0.001). Moreover, compared to the STANDARDIZED, PERSONALIZED participants had greater odds of adherence over time (OR [95%CI]: 5.12 [1.49, 17.6]; P = 0.009). Higher BMI was significantly associated with lower adherence (OR [95%CI]: 0.92 [0.87, 0.98]; P = 0.006). The proportion of attendance at videoconference sessions was similar between groups (STANDARDIZED: 77.1%; PERSONALIZED: 77.5%). Conclusions Two weight loss programs having similar calorie targets, behavioral approach, and contact schedule resulted in similar session attendance. However, adherence to self-monitoring was better when feedback was personalized. Funding Sources American Heart Association.

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Responses to Two Weight-loss Programs Based on Approximating the Diet to the Ideal: Differences Associated with Increased Cereal or Vegetable Consumption

International Journal for Vitamin and Nutrition Research ◽

10.1024/0300-9831.76.6.367 ◽

2006 ◽

Vol 76 (6) ◽

pp. 367-376 ◽

Cited By ~ 9

Author(s):

Ortega ◽

Rodríguez-Rodríguez ◽

Aparicio ◽

Marín-Arias ◽

López-Sobaler

Keyword(s):

Weight Loss ◽

Weight Control ◽

Dietary Intervention ◽

Vegetable Consumption ◽

Healthy Eating Index ◽

Anthropometric Data ◽

Control Programs ◽

Weight Loss Programs ◽

Spanish Women ◽

The Ideal

The fight against excess weight and obesity is a health priority. The aim of this study was to analyze the anthropometric changes induced by two weight control programs based on approximating the diet to the theoretical ideal (increasing the consumption of foods with the largest differences between the recommended and observed intakes: cereals and vegetables – for which a minimum of 6 and 3 servings/day are recommended, respectively). The study subjects were 57 Spanish women with a body-mass index (BMI) of 24–35 kg/m², all of whom were randomly assigned to one of two slightly hypocaloric diets for a six-week period: diet V, in which the consumption of greens and vegetables was increased, or diet C, in which the consumption of cereals was increased. Dietetic and anthropometric data were collected at the start of the study and again at two and six weeks. The dietary intervention approximated the subjects’ energy provision from proteins, fats, and carbohydrates to those recommended. The Healthy Eating Index (HEI) improved with both diets. Reductions in body weight, BMI, and the amount of body fat (kg) were also achieved with both diets. Weight loss was 1.56 ± 0.93 kg and 1.02 ± 0.55 kg at two weeks with diet C and V respectively, and 2.8 ± 1.4 kg and 2.0 ± 1.3 kg at six weeks (p < 0.05). Approximating the diet to the theoretical ideal by increasing the consumption of vegetables or cereals may therefore be of use in weight control. In terms of weight loss and the improvement of the diet quality (energy profile and HEI), diet C was significantly more effective than diet V.

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Weight Loss Programs Fail in Obese Patients with Blount's Disease and Slipped Capital Femoral Epiphysis

10.1542/peds.140.1_meetingabstract.117 ◽

2017 ◽

Author(s):

Gregory Pace ◽

William Hennrikus

Keyword(s):

Weight Loss ◽

Slipped Capital Femoral Epiphysis ◽

Obese Patients ◽

Blount’S Disease ◽

Weight Loss Programs

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Enrolling Caregivers in Obesity Interventions to Improve Obesity-Related Outcomes in Children

Western Journal of Nursing Research ◽

10.1177/01939459211037057 ◽

2021 ◽

pp. 019394592110370

Author(s):

Hannah Bessette ◽

MinKyoung Song ◽

Karen S. Lyons ◽

Sydnee Stoyles ◽

Christopher S. Lee ◽

...

Keyword(s):

Physical Activity ◽

Body Mass Index ◽

Weight Loss ◽

Linear Regression ◽

Body Mass ◽

Sedentary Time ◽

Vigorous Physical Activity ◽

Weight Loss Program ◽

Weight Loss Programs ◽

Obesity Interventions

In this study, we assessed the influences of change in moderate-to-vigorous physical activity (MVPA)/sedentary time (ST) of caregivers participating in a commercial weight-loss program on their children’s change in MVPA/ST. Data from 29 caregivers and their children were collected over 8 weeks. We used multivariable linear regression to assess associations of changes in caregiver’s percent of time spent in MVPA/ST and changes in their child’s percent of time spent in MVPA/ST. For caregivers that decreased body mass index (BMI) over 8 weeks, changes in caregivers’ MVPA was strongly associated with the change in children’s MVPA (β = 2.61 [95% CI: 0.45, 4.77]) compared to caregivers who maintained/increased BMI (β = 0.24 [–2.16, 2.64]). Changes in caregivers’ ST was strongly associated with changes in children’s ST (β = 2.42 [1.02, 3.81]) compared to caregivers who maintained/increased BMI (β = 0.35 [–0.45, 1.14]). Findings reinforce encouraging caregivers to enroll in weight-loss programs for the benefit of their children as well as for themselves.

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Efficacy of a Multi-Component m-Health Diet, Physical Activity, and Sleep Intervention on Dietary Intake in Adults with Overweight and Obesity: A Randomised Controlled Trial

Nutrients ◽

10.3390/nu13072468 ◽

2021 ◽

Vol 13 (7) ◽

pp. 2468

Author(s):

Sasha Fenton ◽

Tracy L. Burrows ◽

Clare E. Collins ◽

Anna T. Rayward ◽

Beatrice Murawski ◽

...

Keyword(s):

Physical Activity ◽

Weight Loss ◽

Randomised Controlled Trial ◽

Dietary Intake ◽

Controlled Trial ◽

Intervention Group ◽

Weight Loss Intervention ◽

Traditional Group ◽

Traditional Diet ◽

Randomised Controlled

This three-arm randomised controlled trial evaluated whether (1) a multi-component weight loss intervention targeting diet, physical activity (PA), and sleep was effective at improving dietary intake over six months and 12 months, compared with a control, and (2) the enhanced diet, PA, and sleep intervention was more effective at improving dietary intake than the traditional diet and PA intervention. A total of 116 adults (70% female, 44.5 years, BMI 31.7 kg/m2) were randomised to either traditional diet and PA intervention; enhanced diet, PA, and sleep intervention; or wait-list control. To examine between-group differences, intervention groups were pooled and compared with the control. Then, the two intervention groups were compared. At six months, the pooled intervention group consumed 1011 fewer kilojoules/day (95% CI −1922, −101), less sodium (−313.2 mg/day; 95% CI −591.3, −35.0), and higher %EI from fruit (+2.1%EI; 95% CI 0.1, 4.1) than the controls. There were no differences in intake between the enhanced and traditional groups at six months. At 12 months, the pooled intervention and control groups reported no significant differences. However, compared to the traditional group, the enhanced reported higher %EI from nutrient-dense foods (+7.4%EI; 95% CI 1.3, 13.5) and protein (+2.4%EI; 95% CI 0.1, 4.6), and reduced %EI from fried/takeaway foods (−3.6%EI; 95% CI −6.5, −0.7), baked sweet products (−2.0%EI; 95% CI −3.6, −0.4), and packaged snacks (−1.1%EI; 95% CI −2.2, −0.3). This weight loss intervention reduced total energy and sodium intakes as well as increased fruit intake in adults at six months. The enhanced intervention group reported improved dietary intake relative to the traditional group at 12 months.

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