882 electronic scale

Sociodemographic characteristics included gender, race, marital status, age, educational level, receipt of SNAP benefits in the past year, receipt of WIC benefits in the past year, household size, self-rated health (excellent, very good, good, fair and poor), adults in the household, dependent children <18 years of age, number of people for whom the shopper shopped for food, transportation to primary food store and body mass index.
For self-reported, annual household income category in the past year, participants were asked for the sum of all sources of income, including salaries; wages; government assistance, benefits, and vouchers; child support, and alimony. The interviewer assisted the participant in naming these sources and summing the amounts. The sum was then categorized as $0 to $9,999, $10,000 to $19,999, $20,000 to $29,999, $30,000 to $39,999, $40,000 to $49,999, or $50,000 or more.
To obtain body mass index (BMI), staff persons measured height without shoes to the nearest quarter inch with a Seca stadiometer and weight to the nearest 1/10 pound with a Seca 882 electronic scale. Weight was converted to kilograms and height to meters to calculate BMI as weight in kg/height in m² and categorized using National Heart, Lung, and Blood Institute categories of obese BMI (≥30), overweight BMI(25-29.9), or normal/underweight BMI (≤24.9).¹³