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Impact of weight management nutrition interventions on dietary outcomes in children and adolescents with overweight or obesity: a systematic review with meta-analysis.
Duncanson, K, Shrewsbury, V, Burrows, T, Chai, LK, Ashton, L, Taylor, R, Gow, M, Ho, M, Ells, L, Stewart, L, et al
Journal of human nutrition and dietetics : the official journal of the British Dietetic Association. 2021;(1):147-177
Abstract
BACKGROUND The impact of obesity interventions on dietary intake in children and adolescents with overweight or obesity is unclear. This systematic review aimed to investigate the impact of the dietary component of weight management interventions on the change in diet in children and adolescents with overweight or obesity. METHODS Eligible randomised controlled trials (RCTs) published between 1975 and 2020 were identified by a systematic search following Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) guidelines. Meta-analyses of eligible study outcomes were performed using statistical software. A multilevel random effects model was used with three significant random effects fitted using restricted maximum likelihood estimation. RESULTS This review identified 109 RCTs, including 95 that reported at least one statistically significant dietary outcome change and 14 reporting no significant dietary change. Results from the meta-analyses (n = 29 studies) indicated that, compared to control groups, intervention groups achieved significantly greater reductions in mean total energy intake at ≤6 months (-194 kcal day-1 , 95% confidence interval = -275.80 to -112.90 kcal day-1 , P < 0.001) and up to 12 months (-112 kcal day-1 95% confidence interval = -218.92 to -5.83 kcal day-1 ) P = 0.038), increases in fruit and/or vegetable intakes over 2-12 months (n = 34, range +0.6 to +1.5 servings day-1 ) and reductions in consumption of sugar-sweetened beverages (n = 28, range -0.25 to -1.5 servings day-1 ) at 4-24 months follow-up. CONCLUSIONS Obesity interventions with a dietary component have a modest but sustained impact on reducing total energy intake and improving intakes of specific food groups in children and adolescents with overweight or obesity. High quality RCTs that are powered to detect change in diet as a primary outcome are warranted.
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Results of the 3 Pillars Study (3PS), a relationship-based programme targeting parent-child interactions, healthy lifestyle behaviours, and the home environment in parents of preschool-aged children: A pilot randomised controlled trial.
Marsh, S, Taylor, R, Galland, B, Gerritsen, S, Parag, V, Maddison, R
PloS one. 2020;(9):e0238977
Abstract
BACKGROUND Early childhood is a critical period for the development of obesity, with new approaches to prevent obesity in this age group needed. We designed and piloted the 3 Pillars Study (3PS), a healthy lifestyle programme informed by attachment theory for parents of preschool-aged children. METHODS A 2-arm, randomised controlled pilot study was conducted to assess the effectiveness of 3PS, a 6-week programme involving a half-day workshop plus 6-week access to a study website. The programme was designed to promote routines around healthy lifestyle behaviours, including sleep, limited screen use, and family meals, within the context of positive, reciprocal parent-child interactions. Parents (n = 54) of children aged 2-4 years who regularly exceeded screen use recommendations (≥1 hour per day), were randomised to the 3PS programme (n = 27) or a wait-list control group (n = 27). Child screen time at 6 weeks was the primary endpoint. Frequency of family meals, parent feeding practices, diet quality, sleep, Child Routine Inventory (to assess predictability of commonly occurring routines), and household chaos were also assessed. Study data were collected online at baseline, 6 weeks, and 12 weeks via REDCap. RESULTS No group differences were observed for changes from baseline in screen time (primary endpoint), feeding behaviour scores, Child Routine Inventory scores, or total night time sleep duration at 6 and 12 weeks, although all measures improved in the hypothesised direction in the 3PS group. Compared with controls, the intervention group demonstrated significant improvements from baseline in household chaos scores (i.e. a reduction in chaos) and a number of measures of sleep outcomes, indicating improved sleep continuity. The programme was highly acceptable to parents. CONCLUSIONS AND RECOMMENDATIONS A relational approach appears promising as a novel way to promote healthy lifestyle behaviours associated with the prevention of childhood obesity in children aged 2-4 years. A larger study is warranted.
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Interventions commenced by early infancy to prevent childhood obesity-The EPOCH Collaboration: An individual participant data prospective meta-analysis of four randomized controlled trials.
Askie, LM, Espinoza, D, Martin, A, Daniels, LA, Mihrshahi, S, Taylor, R, Wen, LM, Campbell, K, Hesketh, KD, Rissel, C, et al
Pediatric obesity. 2020;(6):e12618
Abstract
BACKGROUND Childhood obesity is a significant global problem. Childhood obesity prevention interventions may be more effective when started very early in life before metabolic and behavioural patterns are established. METHODS AND FINDINGS A prospectively planned, individual participant data meta-analysis of four randomized controlled trials. Participants were first-time mothers of term infants. Trial interventions commenced during pregnancy or early infancy and comprised education and support delivered via group sessions and/or home visits. Control group families accessed existing local well-child health care. The primary outcome was body mass index (BMI) z score at 18 to 24 months; 2196 mother-child dyads were available for analysis. Intervention children had lower BMI z scores at 18 to 24 months than control children (-0.12 adjusted mean; 95% confidence interval, -0.22 to -0.02, P = .017). There was some evidence that the BMI z score reduction was greater in settings with limited well-child health care programmes (interaction P value = .03). Improvements were also detected in television viewing time, feeding practices, and breastfeeding duration. CONCLUSIONS Parent-focused intervention programmes that commence by early infancy and which aim to establish a trajectory of healthy lifestyle behaviours produced a modest but statistically significant reduction in BMI z score, which if replicated on a wider scale may have important public health implications.
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Preventing obesity in infants: the Growing healthy feasibility trial protocol.
Denney-Wilson, E, Laws, R, Russell, CG, Ong, KL, Taki, S, Elliot, R, Azadi, L, Lymer, S, Taylor, R, Lynch, J, et al
BMJ open. 2015;(11):e009258
Abstract
INTRODUCTION Early childhood is an important period for establishing behaviours that will affect weight gain and health across the life course. Early feeding choices, including breast and/or formula, timing of introduction of solids, physical activity and electronic media use among infants and young children are considered likely determinants of childhood obesity. Parents play a primary role in shaping these behaviours through parental modelling, feeding styles, and the food and physical activity environments provided. Children from low socio-economic backgrounds have higher rates of obesity, making early intervention particularly important. However, such families are often more difficult to reach and may be less likely to participate in traditional programs that support healthy behaviours. Parents across all socio-demographic groups frequently access primary health care (PHC) services, including nurses in community health services and general medical practices, providing unparalleled opportunity for engagement to influence family behaviours. One emerging and promising area that might maximise engagement at a low cost is the provision of support for healthy parenting through electronic media such as the Internet or smart phones. The Growing healthy study explores the feasibility of delivering such support via primary health care services. METHODS This paper describes the Growing healthy study, a non-randomised quasi experimental study examining the feasibility of an intervention delivered via a smartphone app (or website) for parents living in socioeconomically disadvantaged areas, for promoting infant feeding and parenting behaviours that promote healthy rather than excessive weight gain. Participants will be recruited via their primary health care practitioner and followed until their infant is 9 months old. Data will be collected via web-based questionnaires and the data collected inherently by the app itself. ETHICS AND DISSEMINATION This study received approval from the University of Technology Sydney Ethics committee and will be disseminated via peer-reviewed publications and conference presentations.