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Table 2 Non-respondent analyses and subgroup analyses

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)

  Total sample Substudy
  Non-participants Participants Chi-square Accelerometer Diary-only Not in substudy Chi-square
  (n = 811) (n = 833) P-value (n = 170) (n = 354) (n = 309) P-value
Gender (women) 66.1 62.1 .089 63.5 59.3 64.4 0.367
Housing type    .511     0.008
 Apartment block 56.7 55.9   49.4 60.7 54.0  
 Row house 14.5 16.6   19.4 17.8 13.6  
 Semi-detached/ detached house 28.7 27.5   31.1 21.4 32.4  
Living situation    .006     0.009
 Alone 49.7 53.9   55.3 49.7 57.9  
 With spouse 44.2 43.1   44.1 47.7 37.2  
 With other person 6.1 3.0   0.6 2.5 4.9  
Self-rated health    <.001     0.056
 Very good 3.0 5.3   7.1 5.9 3.6  
 Good 25.2 32.5   35.2 34.5 28.8  
 Moderate 49.9 52.3   52.9 50.3 54.4  
 Poor 19.9 9.7   4.7 9.3 12.9  
 Very poor 2.0 0.1   0 0 0.3  
Difficulty in outdoor mobility    <.001     <0.001
 No difficulties 52.5 60.5   67.1 62.7 54.4  
 Minor difficulties 30.4 28.9   30.6 28.2 28.8  
 Major difficulties 10.6 8.0   2.4 7.1 12.3  
 Unable with / without help 6.4 2.5   0.0 2.0 4.5  
Frequency of outdoor mobility    <.001     <0.001
 Daily 63.5 75.9   84.1 77.1 69.9  
 4-6 times/week 15.2 13.0   13.5 13.0 11.0  
 1-3 times/week 13.5 8.8   1.8 8.5 12.9  
 < once /week 7.9 2.4   0.6 0.3 4.5  
  1. Sample characteristics represented as proportions (%) and tested group differences.