Figure 21.6.a: Example of intervention success as dependent on the context

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Figure 21.6.a: Example of intervention success as dependent on the context in which it is implemented (Frommer 2003)

Media-based intervention to promote the consumption of fruit and vegetables
↓	Dependent on the following contextual factors:
Availability and relative price of fruit and vegetables
↓	Dependent on the following contextual factors:
Geographic factors, food distribution systems and retail prices