Short-term aerobic exercise for depression in acute geriatric psychiatry: study protocol for a randomized controlled trial

Table 2 Objectives and instrumental set-up of the trial

	Variable	Instrument
Primary outcome	Depressive symptoms	CGI – Global improvement scale [34]
Secondary outcome	Depressive symptoms	BDI II [35] HAMD [36]
	Physical (in)activity	Body fixed Motion Sensor (McRoberts, The Hague, NL)
	Endurance performance	6-min walk test [37]
	Application of antidepressive medication	Fluoxetin equivalents (FED) [38]

ISSN: 1745-6215