4.US Department of Agriculture, Food and Nutrition Service (2009) Supplemental Nutrition Assistance Program, Frequently Asked Questions. http://www.fns.usda.gov/snap/faqs.htm (accessed April 2009).
5.Ver Ploeg M, Mancino L, Lin BH et al. (2007) The vanishing weight gap: trends in obesity among adult food stamp participants (US) (1976–2002). Econ Hum Biol 5, 20–36.
6.Baum C (2007) The Effects of Food Stamps on Obesity. Contractor and Cooperator Report. Murfreesboro, TN: Middle Tennessee State University.
7.Chen Z, Yen ST & Eastwood DB (2005) Effects of food stamp participation on body weight and obesity. Am J Agric Econ 87, 1167–1173.
8.Dinour LM, Bergen D & Yeh MC (2007) The food insecurity–obesity paradox: a review of the literature and the role food stamps may play. J Am Diet Assoc 107, 1952–1961.
9.Gibson D (2003) Food stamp program participation is positively related to obesity in low income women. J Nutr 133, 2225–2231.
10.Webb AL, Schiff A, Currivan D et al. (2008) Food Stamp Program participation but not food insecurity is associated with higher adult BMI in Massachusetts residents living in low-income neighbourhoods. Public Health Nutr 11, 1248–1255.
11.Zagorsky JL & Smith PK (2009) Does the US Food Stamp Program contribute to adult weight gain? Econ Hum Biol 7, 246–258.
12.Centers for Disease Control and Prevention (2008) Self-reported concern about food security associated with obesity – Washington, 1995–1999. MMWR Morb Mortal Wkly Rep 52, 840–842.
13.Hanson KL, Sobal J & Frongillo EA (2007) Gender and marital status clarify associations between food insecurity and body weight. J Nutr 137, 1460–1465.
14.Holben DH & Pheley AM (2006) Diabetes risk and obesity in food-insecure households in rural Appalachian Ohio. Prev Chronic Dis 3, A82.
15.Martin KS & Ferris AM (2007) Food insecurity and gender are risk factors for obesity. J Nutr Educ Behav 39, 31–36.
16.Tayie FA & Zizza CA (2009) Height differences and the associations between food insecurity, percentage body fat and BMI among men and women. Public Health Nutr 12, 1855–1861.
17.Townsend MS, Peerson J, Love B et al. (2001) Food insecurity is positively related to overweight in women. J Nutr 131, 1738–1745.
18.Wilde PE & Peterman JN (2006) Individual weight change is associated with household food security status. J Nutr 136, 1395–1400.
19.California Health Interview Survey (2009) CHIS 2007 Methodology Series: Report 4 – Response Rates. Los Angeles, CA: UCLA Center for Health Policy Research.
20.California Health Interview Survey (2007) Weighting and Estimation of Variance in the CHIS Public Use Files. Los Angeles, CA: UCLA Center for Health Policy Research.
21.California Health Interview Survey (2009) CHIS 2007 Methodology Series: Report 2 – Data Collection Methods. Los Angeles, CA: UCLA Center for Health Policy Research.
22.US Department of Agriculture (2008) US Household Food Security Survey Module: Six-Item Short Form. Washington, DC: USDA.
23.Jones SJ & Frongillo EA (2006) The modifying effects of Food Stamp Program participation on the relation between food insecurity and weight change in women. J Nutr 136, 1091–1094.
24.Hellstrom PM, Geliebter A, Naslund E et al. (2004) Peripheral and central signals in the control of eating in normal, obese and binge-eating human subjects. Br J Nutr 92, Suppl. 1, S47–S57.
25.Adams EJ, Grummer-Strawn L & Chavez G (2003) Food insecurity is associated with increased risk of obesity in California women. J Nutr 133, 1070–1074.
26.Drewnowski A & Specter SE (2004) Poverty and obesity: the role of energy density and energy costs. Am J Clin Nutr 79, 6–16.
27.Zenk SN, Schulz AJ, Israel BA et al. (2005) Neighborhood racial composition, neighborhood poverty, and the spatial accessibility of supermarkets in metropolitan Detroit. Am J Public Health 95, 660–667.
28.Macdonald L, Cummins S & Macintyre S (2007) Neighbourhood fast food environment and area deprivation-substitution or concentration? Appetite 49, 251–254.
29.Pearce J, Blakely T, Witten K et al. (2007) Neighborhood deprivation and access to fast-food retailing: a national study. Am J Prev Med 32, 375–382.
30.Cason KL, Cox RH, Burney JL et al. (2002) Do food stamps without education improve the nutrient intake of recipients? Top Clin Nutr 17, 74–82.
31.Hampl JS & Sass S (2001) Focus groups indicate that vegetable and fruit consumption by food stamp-eligible Hispanics is affected by children and unfamiliarity with non-traditional foods. J Am Diet Assoc 101, 685–687.
32.Wiig K & Smith C (2009) The art of grocery shopping on a food stamp budget: factors influencing the food choices of low-income women as they try to make ends meet. Public Health Nutr 12, 1726–1734.
33.Betz NE, Mintz L & Speakmon G (1994) Gender differences in the accuracy of self-reported weight. Sex Roles 30, 543–552.
34.Oliveira A, Ramos E, Lopes C et al. (2009) Self-reporting weight and height: misclassification effect on the risk estimates for acute myocardial infarction. Eur J Public Health 19, 548–553.
35.McAdams MA, Van Dam RM & Hu FB (2007) Comparison of self-reported and measured BMI as correlates of disease markers in US adults. Obesity (Silver Spring) 15, 188–196.
36.Flegal KM, Carroll MD, Ogden CL et al. (2010) Prevalence and trends in obesity among US adults, 1999–2008. JAMA 303, 235–241.
37.National Center for Chronic Disease Prevention & Health Promotion (2009) Weight classification by Body Mass Index (BMI). Overweight and Obesity (BMI) – 2007, Prevalence and Trends Data. http://www.cdc.gov/obesity/data/trends.htmlstate (accessed March 2010).
38.Hu FB (editor) (2008) Measures of adiposity and body composition. In Obesity Epidemiology, pp. 53–83. New York: Oxford University Press.
39.Azadbakht L, Mirmiran P, Shiva N et al. (2005) General obesity and central adiposity in a representative sample of Tehranian adults: prevalence and determinants. Int J Vitam Nutr Res 75, 297–304.