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Table 1 Measures included in the study and the number of items included in each follow-up

From: 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)

Instrument Domains Assessment
   BL FU1 FU2 Ref.
Main outcome measures      
 Life-Space Mobility (LSA) Within home 3 items 3 items 3 items [16]
Outdoor 3 items 3 items 3 items
Neighborhood 3 items 3 items 3 items
Town 3 items 3 items 3 items
Unlimited 3 items 3 items 3 items
 Quality of life (WHOQOL-BREF) General 2 items 1 items 1 items [22]
Environmental 8 items 8 items 8 items
Physical 7 items - 7 items
Social relationships 3 items - 3 items
Psychological 6 items - 6 items
Physical functioning      
 Mobility disability 2 km 1 item 1 item 1 item [23]
500 m 1 item 1 item 1 item
Stair climbing 1 item - -
Moving indoors 1 item - -
 Pre-clinical mobility limitation 2 km 6 items 6 items 6 items [23]
500 m 6 items - -
Stair climbing 6 items - -
 Assistive devices   7 items - - [24]
 Short Physical Performance Battery (SPPB) Standing balance 1 item - - [25, 26]
Walking 1 item - -
Chair rise 1 item - -
Physical activities      
 Level of physical activity   1 item 1 item 1 item [27]
 Barriers to physical activity   17 items - - [28]
 Avoidance of moving outdoors   2 items - - [29]
 Unmet physical activity need   2 items 2 items 2 items [30]
Environmental factors      
 Perceived environmental barriers Outdoors 15 items - - [13]
Entrance 6 items - -
 Perceived environmental facilitators Outdoors 12 items - -  
Entrance 7 items - -
Exercise facilities 3 items - -
 Type of housing & neighborhood   2 items - -  
 Objective assessment of environment (HE Screening Tool) Outdoors 17 items - - [31]
Entrance 11 items - -
 Transportation Car driving 2 items 2 items 2 items  
Public transport 4 items - -
Going to store 2 items - -
Participation     
 Leisure time activities   5 items - - [32]
 Impact on Autonomy & Participation (IPA) Autonomy outdoors 5 items - - [33, 34]
 Disability in self-care & instrumental activities ADL 5 items - 5 items [35]
IADL 9 items - -
Additional items 2 items - -
Social context      
 Care giver role   2 items - -  
 Social contacts & loneliness Frequency of contacts 3 items - - [36, 37]
Loneliness 1 item - -
Support 1 item - -
Marital status & living 2 items - -
 Socioeconomic status Education 2 items - - [38]
  Financial situation 1 items - -  
  Profession 1 item - -  
  House ownership 1 item - -  
General health      
 Self-rated health & chronic diseases Self-rated health 1 item 1 item 1 item [39]
Chronic diseases 22 items - -  
Weight (loss), height 3 items - - [40]
 Cognitive impairment (MMSE)   30 items - - [41]
 Depressive symptoms (CES-D)   20 items - - [42]
 Sensory functions Vision 4 items 2 items 2 items [43]
Hearing 11 items 8 items 8 items
 Perceived postural balance General 1 item - - [44]
Fear of falling 1 item - -
History of falls 2 items - -
 Interviewer-rated functional status   8 items - - [45]
Personal goals   1 item - - [46]
Relocation & major life events   - 6 items 6 items