Recipes for the love of cooking, sharing and preserving delicious food Frequency about 4 posts per month. (blog.feedspot.com)
Study participants received a questionnaire on food frequency at the time of enrollment and again 3 years later to evaluate their diet. (ahealthblog.com)
The team used a validated food frequency questionnaire to determine consumption of fish, vegetables, fruit, alcohol - containing beverages, dairy products, and meat. (scientificamerican.com)