Effectiveness of a primary care-based intervention to reduce sitting time in overweight and obese patients (SEDESTACTIV): a randomized controlled trial; rationale and study design

World Health Organization: Obesity and overweight fact sheet. 2013, http://www.who.int/mediacentre/factsheets/fs311/en/ ,

Smyth S, Heron A: Diabetes and obesity: the twin epidemics. Nat Med. 2006, 12 (Suppl 1): 75-80.

Expert panel on integrated guidelines for cardiovascular health and risk reduction in children and adolescents. 2012, http://www.nhlbi.nih.gov/guidelines/cvd_ped/peds_guidelines_full.pdf ,

Network SBR: Letter to the editor: standardized use of the terms “sedentary” and “sedentary behaviours”. Appl Physiol Nutr Metab. 2012, 37: 540-542. 10.1139/h2012-024.

Hamilton MT, Hamilton DG, Zderic TW: Role of low energy expenditure and sitting in obesity, metabolic syndrome, Type 2 diabetes, and cardiovascular disease. Diabetes. 2007, 56: 2655-2667. 10.2337/db07-0882.

Dunstan DW, Salmon J, Owen N, Armstrong T, Zimmet PZ, Welborn TA, Cameron AJ, Dwyer T, Jolley D, Shaw JE: Physical activity and television viewing in relation to risk of undiagnosed abnormal glucose metabolism in adults. Diab Care. 2004, 27: 2603-2609. 10.2337/diacare.27.11.2603.

Dunstan DW, Salmon J, Healy GN, Shaw JE, Jolley D, Zimmet PZ, Owen N: Association of television viewing with fasting and 2-h postchallenge plasma glucose levels in adults without diagnosed diabetes. Diabetes Care. 2007, 30: 516-522. 10.2337/dc06-1996.

Katzmarzyk PT, Church TS, Craig CL, Bouchard C: Sitting time and mortality from all causes, cardiovascular disease, and cancer. Med Sci Sport Exer. 2009, 41 (Suppl 5): 998-1005.

Reilly JJ: Tackling the obesity epidemic: new approaches. Arch Dis Child. 2006, 91: 724-726. 10.1136/adc.2006.098855.

Donnelly JE, Blair SN, Jakicic JM, Manore MM, Rankin JW, Smith BK: American college of sports medicine position stand: appropriate physical activity intervention strategies for weight loss and prevention of weight regain for adults. Med Sci Sports Exerc. 2009, 41: 459-471.

Scottish Intercollegiate Guidelines Network: Management of obesity. A national clinical guideline. 2010, http://www.sign.ac.uk/pdf/sign115.pdf ,

Stevens J, Truesdale KP, McClain JE, Cai J: The definition of weight maintenance. Int J Obes. 2006, 30: 391-399. 10.1038/sj.ijo.0803175.

Lee IM, Buchner DM: The importance of walking to public health. Med Sci Sport Ex. 2008, 40: 512-518. 10.1249/MSS.0b013e31817c65d0.

Levine JA, Vander Weg MW, Hill JO: Non-exercise activity thermogenesis. The crounching tiger hidden dragon of societal weight gain. Artherior Thromb Vasc Biol. 2006, 26: 729-736. 10.1161/01.ATV.0000205848.83210.73.

Fryer GE: Analysis of Medical Expenditure Panel Survey (MEPS). The importance of having a usual source of health care. Am Fam Physician. 2000, 62 (Suppl 3): 477-

De Greef KP, Deforche BI, Ruige JB, Bouckaert JJ, Tudor-Locke CE, Kaufman JM, De Bourdeaudhuij IM: The effects of a pedometer-based behavioural modification program with phone support on physical activity and sedentary baheviour in type 2 diabetes patients. Patient Edu. 2011, 84 (Suppl 2): 275-279.

John D, Thompson DL, Raynor H, Bielak KM, Bassett DRJ: Effects of treadmill workstations as a worksite physical activity intervention in overweight and obese office workers. J Phys Act Health. 2011, 8 (Suppl 8): 1034-1043.

Schulz K, Altman D, Moher D, Group TC: CONSORT 2010 Statement: updated guidelines for reporting parallel group randomised trials. BMC Med. 2010, 8: 18-10.1186/1741-7015-8-18.

Marshall AL, Miller YD, Burton NW, Brown WJ: Measuring total and domain-specific sitting: a study of reliability and validity. Med Sci Sports Exerc. 2010, 42: 1094-1102.

Atkin AJ, Gorely T, Clemes SA, Yates T, Edwardson C, Brage S, Salmon J, Marshall SJ, Biddle SJH: Methods of measurement in epidemiology: sedentary behaviour. Int J Epidem. 2012, 41: 1460-1471. 10.1093/ije/dys118.

Chau JY, Van Der Ploeg HP, Dunn S, Kurko J, Bauman AE: Validity of the occupational sitting and physical activity questionnaire. Med Sci Sports Exerc. 2012, 44 (Suppl 1): 118-125.

Donovan RJ, Jones S, Holman CD, Corti B: Assessing the reliability of a stage of change scale. Health Educ Res. 1998, 13: 285-291. 10.1093/her/13.2.285.

Puig-Ribera A, Peña O, Romaguera M, Duran E, Heras A, Solà M, Sarmiento M, Cid A: How to identify physical inactivity in Primary Care: validation of the Catalan and Spanish versions of 2 short questionnaires. Aten Primaria. 2012, 44 (Suppl 8): 485-493.

Tudor-Locke C, Williams JE, Reis JP, Pluto D: Utility of pedometers for assessing physical activity: convergent validity. Sports Med. 2002, 32 (Suppl 12): 795-808.

Kleinbaum DG, Kupper LL, Morgenstern H: Epidemiologic Research. 1982, Belmont CA: Lifetime Learning Publications, 320-376. 343,419–456

Armitage P, Berry G, Matthews JNS: Statistical Methods in Medical Research. 2002, Oxford: Blackwell, 4

Word Medical Association: Declaration of Helsinki - Ethical principles for medical research involving human subjects. http://www.wma.net/en/30publications/10policies/b3/index.html ,

King AC, Marcus B, Ahn D, Dunn AL, Rejeski WJ, Sallis JF, Coday M, Activity Counseling Trial Research Group: Identifying subgroups that succeed or fail with three levels of physical activity intervention: the activity counseling trial. Health Psychol. 2006, 25: 336-347.

Wilcox S, Dowda M, Dunn A, Ory MG, Rheaume C, King AC: Predictors of increased physical activity in the active for life program. Prev Chronic Dis. 2009, 6: A25-

Estabrooks PA, Glasgow RE, Dzewaltowski DA: Physical activity promotion through primary care. JAMA. 2003, 289: 2913-2916. 10.1001/jama.289.22.2913.

Grandes G, Sánchez A, Torcal J, Ortega R, Lizarraga K, Serra J, The PEPAF Group: Targeting physical activity promotion in general practice: characteristics of inactive patients and willingness to change. BMC Public Health. 2008, 8: 172-10.1186/1471-2458-8-172.

Lewis BS, Lynch WD: The effect of physician advice on exercise behaviour. Prev Med. 1993, 22: 110-121. 10.1006/pmed.1993.1008.