Table 4.

Impact pathways of supermarket purchase on adult BMI, Central Province of Kenya, July and August 2012

Pathway	ME	se
Effect on BMI from
Joule consumption per day (kJ/d)	0·0005***	0·00
Share of joules from processed foods (%)	0·118***	0·04
Effect of supermarket purchase share (%) on joule consumption per day (kJ/d)	64·612*	35·68
Effect of supermarket purchase share (%) on share of joules from processed food (%)	0·330***	0·11
Number of observations	615
χ 2 test statistic	130·044***

ME, marginal effect.

Estimates are based on causal chain model, full results of which are presented in the online supplementary material (Table 6S).

*P<0·1, **P<0·05, ***P<0·01.