Which factors explain variation in intention to disclose a diagnosis of dementia? A theory-based survey of mental health professionals

Foy, Robbie; Bamford, Claire; Francis, Jillian J; Johnston, Marie; Lecouturier, Jan; Eccles, Martin; Steen, Nick; Grimshaw, Jeremy

doi:10.1186/1748-5908-2-31

Implementation Science

Table 4 Regression analyses for the three disclosure behaviours.

From: Which factors explain variation in intention to disclose a diagnosis of dementia? A theory-based survey of mental health professionals

Behaviour	Model	Predictor variables	Standardised regression coefficient	R² (%)
Explore what patient already knows or suspects (n = 373)	TPB constructs	Subjective norm	0.424	23.5***
		Perceived behavioural control	0.161	4.0***
		Emotional attitude	0.094	1.1*
		Attitude	0.098	0.8*
		Total R ²		29.4
	SCT constructs	Self efficacy	0.417	22.0***
		Outcome expectancies	0.158	2.2**
		Total R ²		24.2
	Team variables	Rely on colleagues	0.384	13.1***
		Perceived role	0.140	1.2**
		Number of professional groups	-0.113	1.2*
		Total R ²		15.5
	Combined constructs	Subjective norm	0.334	23.5***
		Perceived behavioural control	0.213	4.0***
		Perceived reliability of colleagues	0.252	4.6***
		Outcome expectancies	0.145	1.9**
		Number of professional groups responsible for behaviour	-0.128	1.6**
		Total R ²		35.6
Use explicit terminology (n = 366)	TPB constructs	Subjective norm	0.407	38.8***
		Attitude	0.374	13.1***
		Emotional attitude	0.143	1.8***
		Total R ²		53.7
	SCT constructs	Outcome expectancies	0.470	40.1***
		Self efficacy	0.316	7.4***
		Total R ²		47.5
	Team variables	Rely on colleagues	0.566	37.6***
		Perceived role	0.220	4.6***
		Total R ²		42.2
	Combined constructs	Outcome expectancies	0.422	40.1***
		Perceived reliability of colleagues	0.284	15.8***
		Subjective norm	0.183	3.7***
		Self efficacy	0.154	1.8***
		Perceived role	0.127	1.3***
		Emotional attitude	-0.133	0.8**
		Total R ²		63.5
Explore what diagnosis means to patient (n = 371)	TPB constructs	Subjective norm	0.434	36.4***
		Perceived behavioural control	0.389	12.2***
		Total R2		48.6
	SCT constructs	Self efficacy	0.470	29.4***
		Outcome expectancies	0.149	1.7**
		Total R2		31.1
	Team variables	Rely on colleagues	0.349	10.8***
		Perceived role	0.269	7.2***
		Total R2		18.0
	Combined constructs	Subjective norm	0.334	36.3***
		Perceived behavioural control	0.296	12.3***
		Self efficacy	0.161	1.9***
		Perceived role	0.127	1.2**
		Perceived reliability of colleagues	0.109	1.0**
		Total R2		52.7

p < 0.05; ** p < 0.01; *** p < 0.001. These significance levels are associated with the increase in R² as explanatory variables are added incrementally to the regression models.

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ISSN: 1748-5908

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