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Table 1 Characteristics of the sample

From: Physical activity benefits of attending a senior center depend largely on age and gender: a study using GPS and accelerometry data

 Senior center membersNon-membersPa
Sample
 N (individuals)97130 
 N of valid days654848 
 Days per participant (Avg)6.746.52 
Demographics
 Average Age (SD)76.6 (5.9)73.5 (7.3) 
Gender  0.966
 Male43 (44.3%)58 (44.6%) 
 Female54 (55.7%)72 (55.4%) 
Health
 BMI  0.726
  Normal weight18 (18.6%)22 (16.9%) 
  Overweight + obesity65 (67%)70 (53.8%) 
  nd.14 (14.4%)38 (29.2%) 
 Self-reported Health  0.262
  Poor4 (4.1%)3 (2.3%) 
  Regular28 (28.9%)40 (30.8%) 
  Good65 (67%)98 (52.3%) 
Weekly PA minutes (SD)b285.9 (317.8)225.3 (234.3)0.235
Mobility
 Usual mode of transport  0.420
  Walking57 (58.7%)89 (68.5%) 
  Public18 (18.6%)19 (14.6%) 
  Private20 (20.6%)22 (16.9%) 
 Travel time to senior centerc  0.558
  1–10 min60 (61.9%)71 (54.6%) 
  11–20 min20 (20.6%)33 (25.4%) 
   > 20 min17 (17.5%)19 (14.6%) 
  nd.0 (0%)7 (5.4%) 
  1. a Based on chi-Square statistics for categorical variables and ANOVA for continuous variables
  2. b Self-reported minutes of physical activity obtained using the IPAQ short questionnaire
  3. c Self-reported travel time (in minutes) that it would take to walk from home to the closest senior center