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Table 1 GPS-based activity space areas of Walk The Talk Study participants (n = 95) by sociodemographic group and resource characteristics

From: Generating GPS activity spaces that shed light upon the mobility habits of older adults: a descriptive analysis

Sociodemographic group n SDE area (in hectares) MCP area (in hectares) DPA area (in hectares)
   Median (IQR) p a Median (IQR) p a Median (IQR) p a
All 95 1121.9 (3900.8)   1753.6 (7097.9)   837.2 (1389.1)  
Sex    0.3467   0.4616   0.6060
 Female 63 1183.8 (4903.2)   1753.6 (7256.0)   837.2 (1603.6)  
 Male 32 972.7 (2355.6)   1752.6 (4974.1)   839.8 (1147.7)  
Age (years)    0.0289   0.0617   0.1293
 65-69 26 3071.1 (8827.8)   4764.5 (12583.2)   1448.6 (1588.1)  
 70-74 29 1909.6 (3362.5)   1952.4 (6744.7)   958.4 (1150.5)  
 75-79 26 680.5 (1423.0)   1031.3 (2325.3)   566.5 (937.2)  
 80+ 14 483.2 (1397.3)   791.8 (2624.7)   532.6 (548.3)  
Race    0.2727   0.3351   0.4617
 Non-white 18 693.5 (5189.3)   1163.0 (5545.7)   786.4 (1486.7)  
 White 77 1379.6 (3539.9)   1896.0 (6854.3)   837.2 (1353.0)  
Education    0.8895   0.7534   0.8814
 Secondary school or less 26 982.5 (2522.6)   1456.0 (2396.1)   846.1 (838.7)  
 Some or completed trade/technical school or college 36 1652.6 (7491.1)   2837.4 (9796.7)   949.9 (1853.6)  
 Some university or higher 33 887.0 (3896.6)   1569.1 (5537.3)   837.2 (1192.6)  
Marital status    0.5785   0.8197   0.8308
 Not married 88 1160.3 (3735.0)   1817.2 (7119.1)   833.8 (1489.2)  
 Married 7 616.6 (5038.3)   1317.0 (4865.3)   1035.2 (1085.0)  
Living with someone else    0.7248   0.9715   0.7171
 No 80 1129.3 (3764.0)   1731.2 (7124.3)   781.8 (1600.1)  
 Yes 15 942.8 (4024.0)   2777.3 (4865.3)   1035.2 (1079.6)  
Dog ownership    0.5570   0.8752   0.9120
 No 84 1160.3 (4036.8)   1794.8 (7134.7)   830.2 (1396.0)  
 Yes 11 887.0 (2538.0)   1753.6 (5488.9)   837.2 (1280.9)  
Walkabilityb    0.0182   0.0096   0.0116
 Car dependent (0–49) 19 3018.3 (16101.5)   7982.4 (23676.8)   2037.2 (2720.9)  
 Somewhat walkable (50–69) 24 1194.6 (2898.6)   1888.4 (6268.4)   1037.9 (1355.4)  
 Very walkable (70–89) 27 1614.0 (4074.9)   2243.0 (7064.9)   751.0 (1268.4)  
 Walker’s paradise (90–100) 25 605.4 (1830.6)   1008.9 (2615.6)   542.4 (773.5)  
Length of time in neighborhood    0.4415   0.6514   0.7263
 ≤ 2 years 27 1593.0 (4628.6)   1912.1 (7060.9)   958.4 (1592.3)  
 Between 2 and up to 6 years 28 839.8 (5695.7)   1535.3 (9962.9)   794.1 (1476.8)  
 Between 6 and up to 9 years 17 942.8 (3631.5)   2243.0 (6116.3)   752.4 (1498.6)  
 > 9 years 23 770.4 (3672.6)   1096.2 (7321.2)   701.9 (1310.5)  
Valid driver’s license    0.0624   0.0501   0.0309
 No 23 617.6 (2543.3)   1053.7 (3075.3)   544.5 (1013.9)  
 Yes 72 1218.1 (4266.3)   1904.0 (6986.1)   942.5 (1529.9)  
Access to a vehicle    0.0061   0.0027   0.0010
 No 37 617.6 (2002.8)   1008.9 (2928.5)   504.7 (900.9)  
 Yes 56 1613.7 (4678.6)   2501.9 (7009.7)   997.4 (1511.6)  
Social support/companionship to go outside    0.5381   0.3413   0.2613
 No 44 982.5 (3446.7)   1456.8 (5476.1)   741.0 (1265.3)  
 Yes 51 1183.8 (3789.5)   1896.0 (7054.8)   958.4 (1532.4)  
Physical support to go outside    0.0537   0.0405   0.0510
 No 51 887.0 (2731.0)   1305.4 (3766.4)   695.0 (893.0)  
 Yes 44 1942.6 (8296.2)   2937.3 (11791.8)   1047.8 (1757.7)  
Like to walk outsidec    0.8864   0.9967   0.8929
 Less than very much 28 813.5 (4273.7)   1222.3 (6828.0)   741.7 (1469.7)  
 Very much 67 1136.8 (3683.4)   1896.0 (7124.4)   854.9 (1402.9)  
Confidence walking outsidec    0.6580   0.7116   0.8444
 Less than very much 20 684.3 (6950.3)   1168.8 (11618.3)   716.5 (1919.9)  
 Very much 75 1183.8 (3482.5)   1896.0 (6947.3)   849.2 (1355.9)  
Falls in past 6 months    0.8301   0.8444   0.9164
 No 75 1252.4 (3900.8)   1952.4 (7118.7)   854.9 (1389.1)  
 Yes 20 1004.4 (3384.5)   1596.8 (6563.9)   824.3 (1407.8)  
Use of a mobility aid for walking    0.5248   0.5185   0.3691
 No 78 1152.8 (3596.6)   1888.4 (7125.3)   852.1 (1421.1)  
 Yes 17 1002.7 (6047.0)   1241.5 (9690.6)   752.4 (1556.3)  
  1. Abbreviations: Interquartile range (IQR), Standard Deviation Ellipse using one standard deviation (SDE), Minimum Convex Polygon (MCP), Daily Path Area using a 200-meter buffer (DPA).
  2. ap-value from Kruskal-Wallis non-parametric one-way Analysis of Variance (ANOVA) or Wilcoxon Rank Sum test across sociodemographic and resource categories.
  3. bMeasured by Street Smart Walk Score for home address.
  4. cLess than very much (1–4 on a 5-point scale); Very much (5 on a 5-point scale).