Evaluating an intervention to reduce fear of falling and associated activity restriction in elderly persons: design of a randomised controlled trial [ISRCTN43792817]

Table 2 Primary and secondary outcome measures of the effect evaluation

Variables	No. of items	Range*	S	B	FU1	FU2	FU3
Primary outcome measures
fear of falling	1	1 to 5	SQ	Q	Q	Q	Q
fall-related self-efficacy (FES) [7]	10	10 to 40	-	TI	TI	TI	TI
outdoor items fall-related self-efficacy [19]	4	4 to 16	-	TI	TI	TI	TI
perceived control over falling (PCOF) [20]	4	4 to 20	-	Q	Q	Q	Q
avoidance of activity due to fear of falling	1	1 to 5	SQ	Q	Q	Q	Q
daily activity (FAI) [21, 22]	15	15 to 60	-	Q	Q	Q	Q
Secondary outcome measures
perceived general health (MOS SF-20 item one) [23, 24]	1	1 to 5	SQ	Q	Q	Q	Q
self-rated life satisfaction [25]	1	1 to 7	-	Q	Q	Q	Q
activities of daily life (ADL subscale of the GARS) [26]	11	11 to 44	-	TI	TI	TI	TI
feelings of anxiety (HADS) [27, 28]	7	0 to 21	-	Q	Q	Q	Q
symptoms of depression (HADS) [27, 28]	7	0 to 21	-	Q	Q	Q	Q
social support interactions (SLL12-I) [29]	12	12 to 48	-	Q	Q	Q	Q
feelings of loneliness	1	1 to 6	-	Q	Q	Q	Q
number of falls in the previous 6 months	1	1 to 6	SQ	-	-	Q	Q
number of falls in the previous 2 months	1	1 to 6	-	Q	Q	-	-
number of indoor falls	1	N/A	-	C>	C>	C>	C>
number of outdoor falls	1	N/A	-	C>	C>	C>	C>
number of times medical attention required due to falls	1	N/A	-	C>	C>	C>	C>
perceived consequences of falling (CoF) [30]	12	12 to 48	-	TI	TI	TI	TI
perceived risk of falling (RoF) [30]	3	3 to 12	-	TI	TI	TI	TI

* The underlined scores indicate the most favourable scores.
S = screening; B = baseline; FU1 = direct follow-up; FU2 = 6-month follow-up; FU3 = 12-month follow-up
SQ = screening questionnaire; Q = questionnaire; TI = telephone interview; C> = calendar (continuous registration)
N/A = not applicable

ISSN: 1471-2458