Dietary habits are influenced by cultural and social functions and need to be understood prior to development of programs attempting to improve dietary intake (28;57-60). One method of studying overall food habits is the food-patterning method by interviewing the target group and studying the practices of interest. The foods that people commonly eat are typically categorized based on frequency of consumption into core and secondary foods (61-63). When designing a nutrition education intervention, the contribution of core and secondary foods to overall diet should be emphasized and change the focus of the diet based on their contribution (64). The objective of this study was to identify the core and secondary foods and their impact on overall nutrient intakes in NA women in Oklahoma.