Figure 1 .

The Ø–pattern (De Vries & Backbier, 1994). A graphical representation of a stage model, including attitude, social influence and self-efficacy (PC = precontemplation, C = contemplation, A = action).

Schulz et al. BMC Public Health 2012 12:360   doi:10.1186/1471-2458-12-360
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