Impact of a web-based treatment decision aid for early-stage prostate cancer on shared decision-making and health outcomes: study protocol for a randomized controlled trial

Table 2 Other measures

Measures	Instrument	T1	T2	T3
Implementation (intervention only)
DA-Acceptability	Self-developed	X
(health) skills
Self-efficacy	Decision self-efficacy scale	X
Health numeracy	HRS Experimental numeracy module		X
Health literacy	STOHFLA-brief		X
Psychosocial variables
Anxiety and depression	HADS, PC-max	X	X	X
Personality	LOT-R, BFI-10	X
Information seeking preferences	API, NFC-short, Maximization scale	X
Sociodemographics and other healthcare utilization		X	X	X

ISSN: 1745-6215