Table 2.

Most important items after Round 3 of the Delphi

Domain of TDF [12]	Item stem	Median (IQR)
Beliefs about consequences	SDD increases antibiotic resistance	8 (7 to 9)
Decision processes	The decision to adopt SDD requires consensus between my colleagues	8 (7 to 9)
Knowledge	Research to date has not adequately addressed concerns about antibiotic resistance and SDD	8 (7 to 9)
Decision processes	The decision to adopt SDD requires a review and appraisal of the current best evidence	8 (7 to 9)
Behavioural regulation	My hospital tries to reduce antibiotic use	8 (7 to 9)
Decision processes	Part of the decision to adopt SDD requires agreement about which patients will receive it	8 (7 to 9)
Beliefs about consequences	SDD would increase ICU Clostridium difficile infections	8 (6 to 8)
Knowledge	I know the SDD evidence base well enough to have an informed opinion regarding its use	8 (6 to 8)
Motivation	We are addressing hospital-acquired infections using other strategies	7 (6.5 to 9)
Motivation	We are addressing ventilator-associated pneumonia using other strategies	7 (7 to 8)

Data presented as medians and interquartile ranges on scale of 1 to 9 (1 = ‘strongly disagree’ and 9 = ‘strongly agree’). IQR, interquartile range; SDD, selective decontamination of the digestive tract; TDF, Theoretical Domains Framework.