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Table 3 Associations between sociodemographic groups, resource characteristics and GPS-based activity space area and compactness of Walk The Talk Study Participants (n = 95)

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

  Area Compactness
  SDE MCP DPA SDE MCP DPA
  Percent difference (95% CL) Percent difference (95% CL) Percent difference (95% CL) Mean difference (95% CL) Mean difference (95% CL) Mean difference (95% CL)
Male −25.5 (−69.8, 83.6) −19.0 (−66.6, 96.6) −15.0 (−47.3, 37.2) 0.03 (−0.03, 0.09) 0.02 (−0.02, 0.07) 0.02 (−0.07, 0.11)
Age (years)a       
 65-69 125.8 (−43.4, 801.1) 91.7 (−50.8, 647.7) 46.1 (−30.0, 204.5) −0.07 (−0.17, 0.02) −0.04 (−0.12, 0.03) −0.08 (−0.22, 0.07)
 70-74 71.1 (−54.5, 543.6) 63.4 (−55.6, 501.1) 30.8 (−35.3, 164.2) −0.06 (−0.16, 0.03) −0.05 (−0.12, 0.01) −0.06 (−0.20, 0.08)
 75-79 −43.3 (−85.0, 114.5) −40.3 (−83.9, 120.7) −17.1 (−59.1, 68.0) −0.08 (−0.17, 0.02) −0.05 (−0.12, 0.01) 0.03 (−0.11, 0.17)
Educationa       
 Some or completed trade/technical school or college −15.2 (−69.9, 138.6) −4.5 (−65.5, 164.1) −1.9 (−43.4, 69.9) 0.05 (−0.02, 0.12) 0.06 (0.00, 0.11) 0.05 (−0.06, 0.15)
 Some university or higher −5.6 (−67.3, 172.5) 0.7 (−64.5, 185.7) 5.1 (−40.1, 84.6) −0.01 (−0.08, 0.07) −0.02 (−0.07, 0.04) 0.02 (−0.09, 0.13)
Walkabilitya       
 Car Dependent (0–49) 447.8 (54.8, 1838.7) 525.2 (80.4, 2066.1) 146.4 (26.0, 381.9) 0.02 (−0.07, 0.11) 0.01 (−0.06, 0.07) −0.16 (−0.30, −0.03)
 Somewhat Walkable (50–69) 213.7 (0.6, 877.8) 237.7 (10.4, 932.7) 102.3 (10.6, 269.9) 0.09 (0.01, 0.17) 0.07 (0.01, 0.13) −0.11 (−0.23, 0.01)
 Very Walkable (70–89) 225.5 (7.4, 886.6) 267.0 (23.3, 991.7) 95.8 (8.7, 252.7) 0.03 (−0.05, 0.11) 0.05 (−0.01, 0.10) −0.09 (−0.21, 0.02)
Length of time in Neighborhooda       
 Between 2 and up to 6 years ------b ------b ------b 0.00 (−0.07, 0.08) 0.00 (−0.06, 0.05) 0.04 (−0.07, 0.15)
 Between 6 and up to 9 years ------b ------b ------b −0.06 (−0.15, 0.03) −0.03 (−0.09, 0.03) −0.03 (−0.16, 0.10)
 > 9 years ------b ------b ------b 0.06 (−0.02, 0.14) 0.02 (−0.04, 0.07) 0.03 (−0.08, 0.15)
Have a valid driver’s license 46.4 (−62.0, 463.3) 50.5 (−60.0, 466.4) 17.7 (−42.4, 140.8) 0.03 (−0.07, 0.12) −0.01 (−0.08, 0.06) −0.01 (−0.15, 0.13)
Have access to a vehicle 285.1 (25.0, 1085.9) 304.4 (33.8, 1122.4) 139.8 (32.0, 335.6) −0.02 (−0.09, 0.06) −0.02 (−0.07, 0.04) −0.16 (−0.27, −0.04)
Have physical support to go outside 184.2 (18.5, 581.2) 184.9 (20.6, 573.2) 75.0 (10.0, 178.4) −0.03 (−0.09, 0.03) −0.02 (−0.06, 0.02) −0.08 (−0.17, 0.01)
Like to walk outside very much ------b ------b ------b −0.09 (−0.15, −0.03) −0.06 (−0.11, −0.02) −0.03 (−0.12, 0.06)
  1. Abbreviations: Confidence Limits (CL), Standard Deviation Ellipse using one standard deviation (SDE), Minimum Convex Polygon (MCP), Daily Path Area using a 200-meter buffer (DPA). Bold values indicate estimates with p < 0.05.
  2. aReference categories: 80+ years old; secondary school or less; Walker’s Paradise (Walk Score 90–100); living in neighborhood less than 2 years.
  3. bNot tested in models of area due to lack of significance in bivariate analysis.