Picture of boy being examining by doctor at a tuberculosis sanatorium

Understanding our future through Open Access research about our past...

Strathprints makes available scholarly Open Access content by researchers in the Centre for the Social History of Health & Healthcare (CSHHH), based within the School of Humanities, and considered Scotland's leading centre for the history of health and medicine.

Research at CSHHH explores the modern world since 1800 in locations as diverse as the UK, Asia, Africa, North America, and Europe. Areas of specialism include contraception and sexuality; family health and medical services; occupational health and medicine; disability; the history of psychiatry; conflict and warfare; and, drugs, pharmaceuticals and intoxicants.

Explore the Open Access research of the Centre for the Social History of Health and Healthcare. Or explore all of Strathclyde's Open Access research...

Image: Heart of England NHS Foundation Trust. Wellcome Collection - CC-BY.

The impact of a bodyweight and physical activity intervention (BeWEL) initiated through a national colorectal cancer screening programme : randomised controlled trial

Anderson, Annie S and Craigie, Angela M and Caswell, Stephen and Treweek, Shaun and Stead, Martine and Macleod, Maureen and Daly, Fergus and Belch, Jill and Rodger, Jackie and Kirk, Alison and Ludbrook, Anne and Rauchhaus, Petra and Norwood, Patricia and Thompson, Joyce and Wardle, Jane and Steele, Robert J C (2014) The impact of a bodyweight and physical activity intervention (BeWEL) initiated through a national colorectal cancer screening programme : randomised controlled trial. BMJ, 348. ISSN 0959-8138

[img]
Preview
PDF (Anderson-etal-BMJ2014)
Anderson_etal_BMJ2014.pdf
Final Published Version
License: Creative Commons Attribution-NonCommercial 4.0 logo

Download (518kB) | Preview

Abstract

Objective: To evaluate the impact of a diet and physical activity intervention (BeWEL) on weight change in people with a body mass index >25 weight (kg)/height (m)2 at increased risk of colorectal cancer and other obesity related comorbidities. Design: Multicentre, parallel group, randomised controlled trial. Setting: Four Scottish National Health Service health boards. Participants 329 overweight or obese adults (aged 50 to 74 years) who had undergone colonoscopy after a positive faecal occult blood test result, as part of the national bowel screening programme, and had a diagnosis of adenoma confirmed by histopathology. 163 were randomised to intervention and 166 to control. Intervention: Participants were randomised to a control group (weight loss booklet only) or 12 month intervention group (three face to face visits with a lifestyle counsellor plus monthly 15 minute telephone calls). A goal of 7% reduction in body weight was set and participants received a personalised energy prescription (2508 kJ (600 kcal) below that required for weight maintenance) and bodyweight scales. Motivational interviewing techniques explored self assessed confidence, ambivalence, and personal values concerning weight. Behavioural strategies included goal setting, identifying intentions of implementation, self monitoring of body weight, and counsellor feedback about reported diet, physical activity, and weight change. Main outcome measures: The primary outcome was weight change over 12 months. Secondary outcomes included changes in waist circumference, blood pressure, fasting cardiovascular biomarkers, and glucose metabolism variables, physical activity, diet, and alcohol consumption. Results: At 12 months, data on the primary outcome were available for 148 (91%) participants in the intervention group and 157 (95%) in the control group. Mean weight loss was 3.50 kg (SD 4.91) (95% confidence interval 2.70 to 4.30) in the intervention group compared with 0.78 kg (SD 3.77) (0.19 to 1.38) in the control group. The group difference was 2.69 kg (95% confidence interval 1.70 to 3.67). Differences between groups were significant for waist circumference, body mass index, blood pressure, blood glucose level, diet, and physical activity. No reported adverse events were considered to be related to trial participation. Conclusions: Significant weight loss can be achieved by a diet and physical activity intervention initiated within a national colorectal cancer screening programme, offering considerable potential for risk reduction of disease in older adults.