RESUMEN
Objective To investigate the impact and relationship between family income level (FIL) and prevalence rate of metabolic syndrome (MS) of golden wedding couples in Rugao city. Methods Random sample survey of golden wedding couples about MS in Rugao city was run recently, including relevant indexes of MS, insulin resistance (IR) degree (from HOMA-IR) and family income level. 587 couples were divided into three groups according to FIL by rapid cluster analysis: 196 with low FIL as group A, 196 with middle FIL as group B and 195 with high FIL as group C. The prevalence rate of MS, abnormal rates of blood pressure(BP), blood lipids, blood glucose including fasting plasma glucose (FPG) and postprandial 2 hours plasma glucose (2 h PG), body mass index (BMI) and insulin resistance (IR) of all groups were calculated and compared. Results The prevalence rate of MS in group B (17.60%) was lower than that in group A (26.02%)and group C (27.81%)(P