Prevention of anxiety and depression in the age group of 75 years and over: a randomised controlled trial testing the feasibility and effectiveness of a generic stepped care programme among elderly community residents at high risk of developing anxiety and depression versus usual care [ISRCTN26474556]

Table 1 Instruments used to establish primary and secondary outcomes

Outcome measures	Instrument
Primary outcome
depressive/anxiety disorder	MINI diagnostic interview
Secondary outcome
reduction of depressive symptoms	CES-D
reduction of anxiety symptoms	HADS-A
quality of life	MOS-SF-36
health care utilisation	TIC-P
patient satisfaction	GGZ thermometer

ISSN: 1471-2458