Incidence and trend of a metabolic syndrome phenotype among Tehranian adolescents: findings from the Tehran Lipid and Glucose Study, 1998-2001 to 2003-2006.

Objective: To assess the incidence and trend of the metabolic syndrome phenotype in adolescents from the Tehran Lipid and Glucose Study during 3.6 years of follow-up.

Research Design And Methods: A total of 932 adolescents, aged 10-19 years, who had complete data and returned for reassessment 3.