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Table 2 Univariable linear regression of objectively measured built environment attributes with selected CVD risk factors

From: The relationship between objectively-measured attributes of the built environment and selected cardiovascular risk factors in a South African urban setting

Variables BMI (kg/m2) SBP (mmHg) DBP (mmHg) MPA (counts/minute)† VPA (counts/minute)† MVPA (counts/minute)†
β (95% to CI) β (95% to CI) β (95% to CI) β (95% to CI) β (95% to CI) β (95% to CI)
Objectively measured Built environment (m)
 Community center
  500 (ref)       
   1000 0.70 (−1.81 to 3.21) 3.91 (−2.67 to 10.48) 4.02* (0.38 to 7.62) −63.23 (− 127.18 to 0.73) 0.01 (−1.60 to 1.61) 31.44 (−24.42 to 87.30)
   1600 1.84 (−0.28 to 3.95) 5.90 (− 2.12 to 13.51) 5.43* (1.13 to 9.73) −26.07 (− 180.00 to 27.86) −0.26 (− 1.66 to 1.45) −40.25 (−88.99 to 8.48)
 Shopping center
  500 (ref)       
   1000 2.31* (0.53 to 4.09) 4.63 (− 0.74 to 10.09) 4.51* (− 8.36 to 0.68) 23.23 (− 13.97 to 60.38) − 0.01 (− 1.19 to 1.17) −21.61 (−60.11 to 17.00)
   1600 2.40* (0.14 to 4.57) 2.82 (− 4.01 to 9.62) − 0.32 (−3.24 to 2.67) − 43.30(− 89.34 to 2.76) 0.12 (− 1.58 to 1.83) − 46.24 (−93.90 to 1.54)
 Taxi Rank
   500 (ref)       
   1000 −1.71 (−4.32 to 0.98) −2.21 (− 10.28 to5.38) −5.22** (− 8.88 to − 1.52) − 30.40 (− 83.18 to 22.31) 0.40 (− 0.83 to 1.55) −32.33 (− 87.00 to 22.38)
   1600 −1.60 (− 4.12 to 0.92) 1.73 (− 3.67 to 7.02) 2.24 (− 0.81 to 5.14) −42.34 (− 88.3 to 3.74) − 0.30 (− 1.96 to 1.36) −46.41 (− 94.06 to 1.35)
  1. BMI body mass index, SBP systolic blood pressure, DBP diastolic blood pressure, MPA moderate physical activity, VPA vigorous physical activity, MVPA moderate vigorous physical activity; subsample of 155; β beta coefficient, CI confidence interval; m meter; *p < 0.05; **p < 0.01
  2. Physical activity variables