Research Paper Volume 11, Issue 21 pp 9893—9900

Suppression effect of body weight on the association between cigarette smoking and telomere length: the Bogalusa Heart Study

Figure 1. General third variable model of smoking, BMI and LTL. β, c and c’ are standardized regression coefficients; c=total effect; c’=direct effect; β1=indirect effect 1; β2=indirect effect 2; βInd=total indirect effect; BMI=body mass index; LTL=leukocyte telomere length. * P<0.05; ** P<0.01.