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Table 4 Estimates from linear regression analyses for physical activity intensity [light physical activity (minutes/day) and moderate-to-vigorous physical activity (MVPA, minutes/day)a]

From: Neighborhood walkability, physical activity, and walking for transportation: A cross-sectional study of older adults living on low income

 

Light physical activity (min/day)

MVPA (min/day)

Predictor

Crude

Adjusted

Crude

Adjusted

   

Model 2c

Model 3d

   

Model 4c

 

Model 5e

 
 

(n = 141)b

 

(n = 141)

 

(n = 134)

 

(n = 141)b

 

(n = 141)

 

(n = 138)

 
 

β (95% CI)

P

β (95% CI)

P

β (95% CI)

P

β (95% CI)

P

β (95% CI)

P

β (95% CI)

P

Street Smart Walk Score (10-point change)

−3.48 (−8.69, 1.73)

0.189

−2.73 (−7.80, 2.33)

0.288

−5.22 (−10.83, 0.39)

0.068

1.04 (0.95, 1.15)

0.395

1.07 (0.97, 1.18)

0.164

1.00 (0.92, 1.09)

0.950

Women

40.93 (14.48, 67.38)*

0.003

40.55 (14.44, 66.66)*

0.003

34.09 (5.67, 62. 50)*

0.019

0.70 (0.42, 1.17)

0.175

0.69 (0.42, 1.13)

0.144

0.53 (0.34, 0.84)*

0.007

Age (10-year change)

−22.97 (−44.24,−1.71)*

0.034

−20.72 (−41.61, 0.18)

0.052

−6.20 (−29.20, 16.81)

0.595

0.54 (0.36, 0.79)*

0.002

0.51 (0.34, 0.76)*

0.001

0.66 (0.47, 0.93)*

0.019

Vehicle available

-

-

-

-

-

-

0.61 (0.37, 0.99)*

0.045

-

-

0.71 (0.48, 1.06)

0.097

Aestheticsf

19.58 (1.00, 38.15)*

0.039

-

-

6.26 (−13.03, 25.55)

0.522

1.56 (1.10, 2.20)*

0.012

-

-

1.18 (0.87, 1.60)

0.275

Traffic hazardsg

17.82 (−5.43, 41.07)

0.132

-

-

11.33 (−10.79, 33.45)

0.313

-

 

-

-

-

-

Body mass index (kg/m2)

−3.59 (−5.90,−1.28)*

0.003

-

-

−2.97 (−5.38,−0.57)*

0.016

0.89 (0.85, 0.93)*

<0.001

-

-

0.93 (0.89, 0.97)*

<0.001

Comorbiditiesh

−6.44 (−12.55,−0.34)*

0.039

-

-

−1.97 (−8.46, 4.52)

0.549

0.80 (0.71, 0.89)*

<0.001

-

-

0.92 (0.83, 1.02)

0.108

Gait speed (m/s)i

101.82 (52.37, 151.27)*

<0.001

-

-

59.43 (−2.77, 121.63)

0.061

11.97 (4.91, 29.17)*

<0.001

-

-

2.93 (1.08, 7.98)*

0.035

Very much like to walkj

36.86 (9.63, 64.08)*

0.008

-

-

10.59 (−19.24, 40.43)

0.483

3.57 (2.21, 5.76)*

<0.001

-

-

2.00 (1.25, 3.21)*

0.004

Ambulatory confidencek

6.83 (−1.02, 14.69)

0.088

-

-

0.78 (−8.74, 10.31)

0.871

1.33 (1.16, 1.53)*

<0.001

-

-

1.02 (0.87, 1.18)

0.844

  1. aMVPA (min/day) presented as exponentiated regression coefficients
  2. bnvehicle available = 140; naesthetics = 140; ntraffic hazards = 135; ncomorbidities = 139
  3. cadjusted for Street Smart Walk Score, gender, and age
  4. dadjusted for all variables listed in this table with the exception of vehicle availability, since vehicle availability was not associated with time spent in light physical activity (min/day) at p ≤ 0.2 in bivariate analyses
  5. eadjusted for all variables listed in this table with the exception of traffic, since traffic was not associated with time spent in MVPA (min/day) at p ≤ 0.2 in bivariate analyses
  6. fNEWS-A (Neighbourhood Environment Walkability Scale—abbreviated) Subscale F: Aesthetics (four-point scale)
  7. gNEWS-A Subscale G: Traffic hazards (four-point scale); reverse coded so that higher score indicates better walkability
  8. hTotal number; measured with the Functional Comorbidity Index
  9. iAssessed as part of the 4-m walk (usual pace) component of the Short Physical Performance Battery
  10. jVery much like to walk (5 on a 5-point scale) vs. less than very much liking to walk (1–4 on a 5-point scale)
  11. kAssessed by the Ambulatory Self-Confidence Questionnaire
  12. *p < 0.05
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BMC Geriatrics

ISSN: 1471-2318

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