Applying psychological theories to evidence-based clinical practice: identifying factors predictive of lumbar spine x-ray for low back pain in UK primary care practice

Grimshaw, Jeremy M; Eccles, Martin P; Steen, Nick; Johnston, Marie; Pitts, Nigel B; Glidewell, Liz; Maclennan, Graeme; Thomas, Ruth; Bonetti, Debbie; Walker, Anne

doi:10.1186/1748-5908-6-55

Implementation Science

Table 4 Results of the stepwise regression cross-theoretical construct analyses

From: Applying psychological theories to evidence-based clinical practice: identifying factors predictive of lumbar spine x-ray for low back pain in UK primary care practice

Predictive Constructs	Entered
Outcome: Ordering lumbar spine x-rays		IRR	Adj. R ²
TPB: Attitude Indirect and Direct; PBC Power; Intention SCT: Risk Perception; Self Efficacy Operant learning theory: anticipated consequences; Evidence of habitual behaviour Implementation Intention CS-SRM Timeline cyclical; Control - by patient; Cause - family problems, poor prior medical care, ageing, bad luck; Coherence Knowledge	Coherence	1.122*
	Control - by patient	0.897*
	Attitude Direct	1.017***
	Cause - poor prior medical care	1.848**	0.015†
Outcome: Behavioural Simulation		Beta	Adj. R ²	df	F
TPB: Attitude Indirect and Direct; PBC Power and PBC Power direct; Intention SCT: Risk Perception; Outcome expectancy Self Efficacy Operant learning theory: Anticipated Consequences; Evidence of Habitual Behaviour Implementation Intention CS-SRM: Control - by treatment, patient, doctor; Cause - ageing; Coherence; Emotional Response Precaution Adoption Process	Action Planning	0.272***
	PBC Power	0.252***
	Cause - ageing	0.126*	0.165	3, 277	19.4***
Outcome: Behavioural Intention		Beta	Adj. R ²	df	F
TPB: Attitude Indirect and Direct; Subjective Norm; PBC Power and PBC Power direct SCT: Risk Perception; Outcome expectancy Self Efficacy Operant learning theory: anticipated consequences; Evidence of Habitual Behaviour CS-SRM: Control - by treatment, patient and doctor; Cause- stress; Coherence; Emotional Response Precaution Adoption Process Knowledge	PBC Power	0.273***
	Evidence of Habitual Behaviour	0.286***
	Outcome expectancy	0.169**
	Control - by treatment	-0.115*	0.335	4, 275	36.1***

*p ≤ 0.05; ** p ≤ 0.01; ***p ≤ 0.001.
PBC = perceived behavioural control; TPB = Theory of Planned Behaviour; SCT = Social Cognitive Theory; CS-SRM = Common Sense Self-Regulation Model;
† McFadden's pseudo R²

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ISSN: 1748-5908

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