Salivary leptin concentrations in Bruneian secondary school children

Objective To investigate the association between leptin levels and body mass index in Bruneian secondary school students. Methods The body mass index of Bruneian secondary school students (aged 11–18 years) was determined before collecting their saliva using the passive drool technique. Salivary leptin concentration was determined by ELISA. Results Correlation and partial correlation (controlled for age) analyses showed no significant differences between the levels of salivary leptin of normal weight and overweight students. Conclusions No significant increase in the salivary leptin concentration was observed in overweight compared with normal weight Bruneian secondary school students.