Fig. 1From: Neighborhood deprivation and biomarkers of health in Britain: the mediating role of the physical environmentAnalytical framework for the 2–2-1 multilevel mediation model proposed, using systolic blood pressure (SBP) as an outcome. a: Total effects of Carstairs (exposure) on SBP (outcome) without the inclusion of the mediators (path c). b: Direct effects of Carstairs on SBP, net of physical environment (mediators, paths c’, a1-a7, and b1-b7)Back to article page