Literacy, Numeracy, and Portion-Size Estimation Skills

Baker, 2006, Weight loss and diet plans: several types of diet plans produce at least short-term weight loss; portion size may matter more than what we eat, Am J Nurs, 106, 52, 10.1097/00000446-200606000-00027 Nielsen, 2003, Patterns and trends in food portion sizes, 1977–1998, JAMA, 289, 450, 10.1001/jama.289.4.450 Harnack, 2004, Accuracy of estimation of large food portions, J Am Diet Assoc, 104, 804, 10.1016/j.jada.2004.02.026 Wansink, 2006, Ice cream illusions: bowls, spoons, and self-served portion sizes, Am J Prev Med, 31, 240, 10.1016/j.amepre.2006.04.003 Diliberti, 2004, Increased portion size leads to increased energy intake in a restaurant meal, Obesity Res, 12, 562, 10.1038/oby.2004.64 Ello-Martin, 2005, The influence of food portion size and energy density on energy intake: implications for weight management, Am J Clin Nutr, 82, 236S, 10.1093/ajcn/82.1.236S Rolls, 2002, Portion size of food affects energy intake in normal-weight and overweight men and women, Am J Clin Nutr, 76, 1207, 10.1093/ajcn/76.6.1207 Rolls, 2004, Increasing the portion size of a sandwich increases energy intake, J Am Diet Assoc, 104, 367, 10.1016/j.jada.2003.12.013 2008, Standards of medical care in diabetes—2008, Diabetes Care, 31, S12 Kutner, 2007 Schillinger, 2002, Association of health literacy with diabetes outcomes, JAMA, 288, 475, 10.1001/jama.288.4.475 Rothman, 2004, The relationship between literacy and glycemic control in a diabetes disease-management program, Diabetes Educ, 30, 263, 10.1177/014572170403000219 Dewalt, 2004, Literacy and health outcomes: a systematic review of the literature, J Gen Intern Med, 19, 1228, 10.1111/j.1525-1497.2004.40153.x Baker, 1998, Health literacy and the risk of hospital admission, J Gen Intern Med, 13, 791, 10.1046/j.1525-1497.1998.00242.x Rothman, 2006, Patient understanding of food labels: the role of literacy and numeracy, Am J Prev Med, 31, 391, 10.1016/j.amepre.2006.07.025 Huizinga, 2008, Low numeracy skills are associated with higher BMI, Obesity (Silver Spring), 16, 1966, 10.1038/oby.2008.294 Rothman, 2004, Influence of patient literacy on the effectiveness of a primary care-based diabetes disease management program, JAMA, 292, 1711, 10.1001/jama.292.14.1711 Ancker, 2007, Rethinking health numeracy: a multidisciplinary literature review, J Am Med Inform Assoc, 14, 713, 10.1197/jamia.M2464 Davis, 1993, Rapid estimate of adult literacy in medicine: a shortened screening instrument, Fam Med, 25, 391 Wilkinson, 1993 2005 Hebert, 1995, Social desirability bias in dietary self-report may compromise the validity of dietary intake measures, Int J Epidemiol, 24, 389, 10.1093/ije/24.2.389