Table 1.

Categorisation of participants to the Stage of Change groups based on construct tertile scores

	Stage
Construct	Pre-contemplative	Contemplative	Active
Openness	1	2	3
Value	1	2	3
Inconvenience	x	2	1
Permissiveness	x	2	1

1, lowest tertile; not agree with construct. 3, highest tertile; agree with construct. x, not used.