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Citation

Bick D, Taylor C, Avery A, Bhavnani V, Craig V, Healey A, Khazaezadeh N, McMullen S, Oki B, Oteng-Ntim E, O'Connor S, Poston L, Seed P, Roberts S & Ussher M (2019) Protocol for a two-arm feasibility RCT to support postnatal maternal weight management and positive lifestyle behaviour in women from an ethnically diverse inner city population: The SWAN feasibility trial. Pilot and Feasibility Studies, 5 (1), Art. No.: 117. https://doi.org/10.1186/s40814-019-0497-3

Abstract
Introduction: A high BMI during and after pregnancy is linked to poor pregnancy outcomes and contributes to long-term maternal obesity, hypertension, and diabetes. Evidence of feasible, effective postnatal interventions is lacking. This randomised controlled trial will assess the feasibility of conducting a future definitive trial to determine effectiveness and cost-effectiveness of lifestyle information and access to Slimming World? (Alfreton, UK) groups for 12 weeks commencing from 8 to 16 weeks postnatally, in relation to supporting longer-term postnatal weight management in women in an ethnically diverse inner city population. Methods/analysis: Women will be recruited from one maternity unit in London. To be eligible, women will be overweight (BMI 25-29.9 kg/m2) or obese (BMI ≥ 30 kg/m2) as identified at their first antenatal contact, or have a normal BMI (18.5-24.9 kg/m2) at booking but gain excessive gestational weight as assessed at 36 weeks gestation. Women will be aged 18 and over, can speak and read English, expecting a single baby, and will not have accessed weight management groups in this pregnancy. Women will be randomly allocated to standard care plus lifestyle information and access to Slimming World? (Alfreton, UK) groups or standard care only. A sample of 130 women is required. Feasibility trial objectives reflect those considered most important inform a decision about undertaking a definitive future trial. These include estimation of impact of lifestyle information and postnatal access to Slimming World? (Alfreton, UK) on maternal weight change between antenatal booking weight and weight at 12 months postbirth, recruitment rate and time to recruitment, retention rate, influence of lifestyle information and Slimming World? (Alfreton, UK) groups on weight management, diet, physical activity, breastfeeding, smoking cessation, alcohol intake, physical and mental health, infant health, and health-related quality of life 6 and 12 months postnatally. An embedded process evaluation will assess acceptability of study processes and procedures to women. Ethics/dissemination: London-Camberwell St Giles Research Ethics Committee, reference: 16/LO/1422. Outcomes will be disseminated in peer-reviewed journals and presentations at national and international conferences.

Keywords
alcohol consumption; Article; behavior change; body image; body weight change; body weight gain; breast feeding; child health; confidentiality; controlled study; cost effectiveness analysis; diet; dietary intake; England; ethnicity; female; health economics; human; lifestyle modification; maternal obesity; mental health; obesity; perinatal period; physical activity; pregnancy; quality of life; randomized controlled trial; self esteem; sleep pattern; smoking; smoking cessation; support group; urban population; weight loss program

Journal
Pilot and Feasibility Studies: Volume 5, Issue 1

• Published version