A theory-based process evaluation alongside a randomised controlled trial of printed educational messages to increase primary care physicians’ prescription of thiazide diuretics for hypertension [ISRCTN72772651]

Table 4 Results of analysis of covariance for primary outcome of change in intention (N = 426)

Effects	F	p	B	SE	95 % CI
Effects	F	p	B	SE	Lower	Upper
Covariate
Baseline Intention	231.37	<0.01	0.61	0.04	0.53	0.69
Main effects
Insert PEM	0.46	0.50	0.08	0.12	−0.15	0.31
Outsert PEM (atheoretical)	0.42	0.52	0.09	0.14	−0.19	0.37
Outsert PEM (TPB)	0.01	0.95	−0.01	0.15	−0.30	0.28

ISSN: 1748-5908