Fig. 3.

a Andersen category predisposing. Most frequently mentioned factors (more than eight times, or in at least four focus groups) were categorised as subcategories, of which main categories were established, identified as Andersen predisposing category. b Andersen category enabling. Most frequently mentioned factors (more than eight times, or in at least four focus groups) were categorised as subcategories, of which main categories were established, identified as Andersen enabling category. c Andersen category need. Most frequently mentioned factors (more than eight times, or in at least four focus groups) were categorised as subcategories, of which main categories were established, identified as Andersen need category