Objective: To determine the validity and reliability of a nutrition knowledge questionnaire for adults in California.
Methods: A convenience sample of adults was recruited for cognitive interviews. A mail-based survey of 400 randomly selected addresses was used to assess internal consistency (Cronbach α).
Objective: Investigate the impact of a nutrition education program on student academic performance as measured by achievement of education standards.
Design: Quasi-experimental crossover-controlled study.
Setting: California Central Valley suburban elementary school (58% qualified for free or reduced-priced lunch).
Objective: To examine the relationship between food insecurity and food supplies in Latino households.
Design: Cross-sectional survey, conducted February to May 2001.
Setting: Six California counties.
Objective: To examine the relationship of food insecurity to nutrition of Mexican-American preschoolers.
Design: Cross-sectional survey of low-income Mexican-American families with children of preschool age (3 to 6 years). Data included food security using the Radimer/ Cornell scale; acculturation; parental education; monthly income; past experience of food insecurity; and child weight, height, and frequency of consuming 57 foods.