How effective was Curtin University's Activity, Food and Attitudes Program at changing behaviours in overweight and obese adolescents?
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Aim: Interventions for overweight/obese adolescents in Australia are scarce. The aim of this study was to evaluate an intervention based on self-determination theory that targeted activity, food and attitudes in overweight/obese adolescents. Methods: Adolescents (n = 68, age = 14.1, SD 1.6) and parents completed an 8-week community-based multidisciplinary intervention at 3 sites in Western Australia across 3 waves. A 12-month maintenance period followed, involving tapered telephone and SMS contact. Participants completed anthropometric, fitness and psychological testing twice before the intervention (waitlist period), and across the 12 month maintenance period. Dietary intake was measured using 3-day food records and a questionnaire, physical activity was measured using accelerometers. Linear mixed models with repeated measures, adjusted for age at each time-point, were used to test the effects of the intervention.Results: Following the intervention, daily junk food intake decreased by 1.4 serves (IRR = 0.69, 95% confidence interval: 0.55, 0.88) and daily fruit intake increased by 0.5 serves (IRR = 1.8, CI: 1.2, 2.6). Using a Likert scale, consumption of fast food reduced by 0.2 points (CI: −0.4, −0.1) and intake of sugar-sweetened beverages reduced by 0.5 points (CI: −0.9, −0.1). Fat consumption decreased (−6.7 g, CI: −10.9, −2.4) as did saturated fat consumption (−3.9, CI: −6.3, −1.6). Sedentary time decreased significantly during the intervention as compared to the waitlist period (−9.7 min/day/month; CI: −18.0, −1.4) and moderate physical activity levels increased (2.6 min/day/month, CI: 0.1, 5.2). Abdominal curl-up improved by 11.6/min (CI: 3.4, 19.8), all strength measures improved, vertical jump improved by 2.6 cm (0.9–4.3) and shuttle run increased by 81.3 m (CI: 39.8, 122.8). BMI-z score reduced (−0.008, CI: −0.2, −0.01). Health related quality of life increased (10.4 points, CI: 6.9, 19.9) and depressive feelings reduced (−1.7 points, CI: −2.9, −0.5). Conclusions: Positive activity, food and attitude changes were observed in overweight/obese adolescent participants following participation in CAFAP.
From an oral presentation at the Australian and New Zealand Obesity Society Annual Meeting, 2014.
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Ward, Emily; Straker, Leon; Smith, Kyla; Kerr, Deborah; Davis, Melissa; Fielding, Angela; McManus, Alexandra (2011)Introduction: Around one quarter of Australian adolescents are overweight or obese. Recent reviews have highlighted the gap in evidence around the effectiveness of interventions to prevent the progression to morbid obesity, ...
Do overweight adolescents adhere to dietary intervention messages? Twelve-month detailed dietary outcomes from curtin university’s activity, food and attitudes programSmith, Kyla; Kerr, Deborah; Howie, E.; Straker, Leon (2015)Dietary components of adolescent obesity interventions are rarely evaluated with comprehensive reporting of dietary change. The objective was to assess dietary change in overweight adolescents, including adherence to ...
The impact of Curtin University's Activity, Food and Attitudes Program on physical activity, sedentary time and fruit, vegetable and junk food consumption among overweight and obese adolescents: A waitlist controlled trialStraker, Leon; Howie, Erin; Smith, K.; Smith, K.; Fenner, Ashley; Kerr, Deborah; Olds, T.; Abbott, R.; Smith, Anne (2014)Background: To determine the effects of participation in Curtin University's Activity, Food and Attitudes Program (CAFAP), a community-based, family-centered behavioural intervention, on the physical activity, sedentary ...