SiordiaC. A critical analysis of the internal logic in the life-space assessment (LSA) composite score and suggested solutions. Clin Rehabil2015. Epub ahead of print 30June2015. DOI: 10.1177/0269215515592251.
2.
BakerPSBodnerEVAllmanRM. Measuring life-space mobility in community-dwelling older adults. J Am Geriat Soc2003; 51: 1610–1614.
3.
ViljanenAMikkolaTMRantakokkoMPortegijsERantanenT. The association between transportation and life-space mobility in community dwelling older people with or without walking difficulties. J Aging Health2015 (in press).
4.
MayDNayakUSIsaacsB. The life-space diary: A measure of mobility in old people at home. Int Rehabil Med1985; 74: 182–186.
5.
YangHYSanfordJA. Home and community environmental features, activity performance, and community participation among older adults with functional limitations. J Aging Res2012; 2012: 625758.
6.
HardySEAlloreHStudenskiSA. Missing data: A special challenge in aging research. J Am Geriat Soc2009; 57: 722–729.
7.
DondersARvan der HeijdenGJStijnenTMoonsKG. Review: A gentle introduction to imputation of missing values. J Clin Epidemiol2006; 59: 1087–1091.
8.
RantanenTPortegijsEViljanenA. Individual and environmental factors underlying life space of older people – study protocol and design of a cohort study on life-space mobility in old age (LISPE). BMC Public Health2012; 12: 1018.
9.
PolkuHMikkolaTMPortegijsE. Life-space mobility and dimensions of depressive symptoms among community-dwelling older adults. Aging Mental Health2015; 19: 781–789.
10.
PortegijsERantakokkoMMikkolaTMViljanenARantanenT. Association between physical performance and sense of autonomy in outdoor activities and life-space mobility in community-dwelling older people. J Am Geriat Soc2014; 62: 615–621.
11.
RantakokkoMPortegijsEViljanenAIwarssonSRantanenT. Life-space mobility and quality of life in community-dwelling older people. J Am Geriat Soc2013; 61: 1830–1832.
12.
PortegijsEIwarssonSRantakokkoMViljanenARantanenT. Life-space mobility assessment in older people in finland; measurement properties in winter and spring. BMC Res Notes2014; 7: 323.