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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).
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International Journal of Health Geographics

ISSN: 1476-072X