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The aim of this study was to determine the efficacy, safety and acceptability of a 4-week very-low-energy diet (VLED) program for adolescents with obesity. Adolescents (13–17 years) with obesity and ≥1 obesity-related complication were Fast Track to Health 52-week randomized controlled trial participants. Adolescents undertook a 4-week micronutrient-complete VLED (800 kcal/day), with weekly dietitian support. Anthropometric data were recorded at baseline and week-4 and side-effects at day 3–4, week-1, -2, -3 and -4. Adolescents completed an acceptability survey at week-4. A total of 134 adolescents (14.9 ± 1.2 years, 50% male) had a 5.5 ± 2.9 kg (p < 0.001) mean weight loss at week-4: 95% experienced ≥1 and 70% experienced ≥3 side-effects during the VLED program, especially during the first week. Hunger, fatigue, headache, irritability, loose stools, constipation and nausea were most common. Reporting more side-effects at day 3–4 correlated with greater weight loss at week-4 (r = −0.188, p = 0.03). Adolescents reported 'losing weight' (34%) and 'prescriptive structure' (28%) as the most positive aspects of VLED, while 'restrictive nature' (45%) and 'meal replacement taste' (20%) were least liked. A dietitian-monitored short-term VLED can be implemented safely and is acceptable for many adolescents seeking weight loss, despite frequent side-effects. Investigating predictors of acceptability and effectiveness could determine adolescents most suited to VLED programs. [ABSTRACT FROM AUTHOR]

This study examined sociodemographic factors associated with mothers seeking child feeding advice from health professionals (HPs). Cross‐sectional analysis of survey data from linked randomized controlled trials was conducted. Surveys asked which sources of feeding information mothers used when their child was 6 months and 5 years old. Logistic regression was used to examine associations between sociodemographic characteristics and use of information from HPs. Here, 947 and 405 mothers completed 6‐month and 5‐year surveys, respectively. At 6 months, multiparous mothers were less likely to seek advice from child and family health nurses (CFHNs) (adjusted odds ratio [AOR]: 0.558, 95% confidence interval [95% CI]: 0.416–0.749) and other HPs (AOR: 0.706, 95% CI: 0.542–0.919), unmarried mothers were less likely to seek advice from other HPs (AOR: 0.582, 95% CI: 0.342–0.990). At 5 years, mothers with household income ≥$80,000 p.a. were less likely to seek advice from CFHNs (AOR: 0.514, 95% CI: 0.302–0.875) and working mothers less likely to seek advice from general practitioners (GPs) (AOR: 0.581, 95% CI: 0.374–0.905). Mothers born in Australia were less likely to seek information from CFHNs (AOR: 0.462, 95% CI: 0.257–0.833) and GPs (AOR: 0.431, 95% CI: 0.274–0.677). There was a greater likelihood that multiparous mothers (AOR: 2.114, 95% CI: 1.272–3.516) and mothers of children whose fathers had not attended university (AOR: 2.081, 95% CI: 1.256–3.449) had never sought advice from CFHNs, and that mothers who had not attended university (AOR: 1.769, 95% CI: 1.025–3.051), multiparous (AOR: 1.831, 95% CI: 1.105–3.035) and employed (AOR: 2.058, 95% CI: 1.135–3.733) mothers had never sought advice from other HPs. Understanding sociodemographic factors associated with seeking child feeding advice from HPs may inform priorities for engaging families in health promotion. Key messages: Many mothers seek infant and child feeding advice from primary health professionals, particularly in the first year of life, with engagement declining at age 5 years.Health promotion efforts in primary care settings should prioritize increased engagement of multiparous mothers, those without university education and those in employment.The internet and peers are important sources of infant and child feeding information for mothers, it is important that evidence‐based information is available to mothers online and through peer‐learning models. [ABSTRACT FROM AUTHOR]