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Table 1 The characteristics of variables of the first survey of each study extracted from the ATHLOS cohort to the analysis dataset (N = 24,982)

From: Using multiple imputation and intervention-based scenarios to project the mobility of older adults

Variable HRSa ELSAa H2000a
Baseline wave 2000 2002 2000
Number of individuals 9765 10,815 4402
Age (mean) 62.9 66.0 66.1
Sex (%, men) 45.4 45.7 42.2
Education (% with low education) 25.3 48.1 60.3
Mobility limitation outcomes
 Stair climbing (% with limitations) 14.9 15.8 22.9
 Moving (% with limitations) 4.8 3.5 10.0
ADL items
 Bathing or showering (% with limitations) 4.6 12.9 11.0
 Getting dressed (% with limitations)   13.8 12.8
 Using the toilet (% with limitations) 4.3 3.8 6.6
 Getting in or out of bed (% with limitations) 5.6 6.9 13.6
 Continence (% with limitations) 15.4 15.7 21.3
 Eating (% with limitations) 2.2 1.9 4.5
IADL items
 Making telephone calls (% with limitations) 2.5 1.9 7.0
 Shopping groceries (% with limitations) 6.5 9.9 17.1
 Preparing meals (% with limitations) 4.2 4.6 15.2
 Doing housework (% with limitations) 31.4 16.8 39.8
 Taking medications (% with limitations) 2.2 1.6 6.4
 Managing money (% with limitations) 3.7 2.6  
Factors associated with mobility limitations
 Smoker (%) 18.3 17.3 20.4
 Obesity (%) 28.1 28.7b 27.0
 Alcohol use (%) 48.1 87.8 69.2
 Arterial hypertension (%) 45.4 41.2b 58.2
 Vigorous exercise (%) 46.7 26.7 51.4
  1. aHRS The Health and Retirement Study, ELSA The English Longitudinal Study of Ageing, H2000 The Health 2000 and 2011 Surveys
  2. bPrevalence of ELSA survey 2004 are presented since obesity and arterial hypertension were not available for ELSA survey 2002