Applying psychological theories to evidence-based clinical practice: Identifying factors predictive of managing upper respiratory tract infections without antibiotics

Table 3 Results of the stepwise regression analyses which included all constructs which significantly predicted outcomes.

Predictive Constructs
Outcome: Prescribing antibiotics	Entered	Beta	Adj. R2	df	F
TPB: Attitude Direct; Subjective Norm; PBC Power & PBC Power direct; Intention SCT: Risk Perception; Self-Efficacy Implementation Intentions: Action Planning Operant learning theory: anticipated consequences; Evidence of habitual behaviour CS-SRM: Cause social contact; stress; chance/bad luck	OLT Evidence of habitual behaviour	0.251***	0.059	1, 209	14.1***
Outcome: Behavioural Simulation
TPB: Attitude Indirect & Direct; PBC Power & PBC Power direct; Intention SCT: Risk Perception; Outcome expectancy Self-Efficacy; Generalised self-efficacy Implementation Intentions: Action Planning CS-SRM: Control treatment & doctor; Cause chance/bad luck; coherence Knowledge Operant learning theory: anticipated consequences; Evidence of Habitual Behaviour	TPB PBC Power	0.302***
	OLT Evidence of habitual behaviour	0.237**
	CS-SRM Cause chance/bad luck	0.154**
	TPB Intention	0.178*	0.356	4, 220	31.92***
Outcome: Behavioural Intention
TPB: Attitude Indirect & Direct; PBC Power & PBC Power direct SCT: Risk Perception; Outcome expectancy Self-Efficacy; Generalised self-efficacy CS-SRM: Time cyclical; Control treatment & doctor; Consequence; Coherence Knowledge Operant learning theory: anticipated consequences; Evidence of Habitual Behaviour	OLT Evidence of habitual behaviour	0.410***
	TPB attitudes direct	0.161**
	SCT risk perception	0.149**
	CS-SRM control doctor	0.142**
	TPB PBC power	0.130*
	CS-SRM control treatment	-0.108*	0.494	6, 224	38.36***

*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.

ISSN: 1748-5908