Using the theory of planned behaviour as a process evaluation tool in randomised trials of knowledge translation strategies: A case study from UK primary care

Table 4 Predictors of behavioural intentions and behaviour using multiple regression

	Coefficent* (95% CI)	p-value	R²
Predictors of intentions
Ferritin			86%
Attitude	0.91(0.80, 1.02)	< 0.001
Subjective norm	0.29 (0.11, 0.48)	< 0.01
Perceived behavioural control	-0.08(-0.19, 0.04)	0.203
FSH			86%
Attitude	0.94 (0.81, 1.06)	< 0.001
Subjective norm	0.33 (0.14, 0.51)	< 0.01
Perceived behavioural control	0.12 (-0.05, 0.28)	0.156
HPS			65%
Attitude	0.46 (0.10, 0.81)	0.013
Subjective norm	0.41 (0.12, 0.71)	0.008
Perceived behavioural control	-0.10 (-.20, -.00)	0.048
Predictor of behaviour
Ferritin
Intentions	-1.78 (-3.59, 0.03)	0.061	8.5%
FSH
Intentions	-0.82 (-1.70, 0.06)	0.075	7.7%
HPS
Intentions	0.28 (-1.98, 2.54)	0.808	0.1%

* Coefficient interpreted as the change in intentions (or behaviour) for each unit change in the construct (predictor)

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