2.1. Participants
Four hundred and eighty healthy female nurses aged >30 years participated in this cross-sectional study. The participants were selected randomly from seven public and private hospitals in Isfahan, Iran. The female nurses with a history of diabetes, malignancy, infections, and CVDs were excluded. Furthermore, the subjects who did not complete the FFQ questionnaire were also excluded from the study. Finally, 420 nurses were enrolled in the study. The participants fill in a consent form based on … university of medical sciences ethics rules for participating on this study.
The study protocol was approved by …. university of medical sciences (IR.TUMS.VCR.REC.1399.584).