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Table 2 Results from linear or logistic regression of distance to roads on markers of cardiac structure in JHS (N = 4826)a

From: Residential distance to major roadways and cardiac structure in African Americans: cross-sectional results from the Jackson Heart Study

Distance to A1 or A2 road

<150 m (n = 103)

150–299 m (n = 158)

300–999 m (n = 1156)

≥1000 m (n = 3409)

Log-transformed distance to A1 or A2 road (continuous)

 LVMI, g/m2.7, beta (95% CI)

1.3

(−0.9, 3.6)

−0.7

(−2.5, 1.1)

−0.3

(−1.1, 0.4)

REF

−0.01

(−0.3, 0.3)

 LV hypertrophy, OR (95% CI)b

1.59

(0.88, 2.90)

0.73

(0.37, 1.42)

0.77

(0.58, 1.03)

REF

0.98

(0.88, 1.09)

 LV end-diastolic diameter, mm, beta (95% CI)

0.7

(−0.2, 1.5)

−0.03

(−0.7, 0.7)

0.1

(−0.2, 0.4)

REF

−0.06

(−0.2, 0.06)

 LV end-systolic diameter, mm, beta (95% CI)

1.2

(0.2, 2.1)*

−0.05

(−0.8, 0.7)

0.008

(−0.3, 0.3)

REF

−0.1

(−0.2, 0.03)

Distance to A1 road

<150 m

(n = 34)

150–299 m (n = 93)

300–999 m

(n = 793)

≥1000 m (n = 3906)

Log-transformed distance to A1 road (continuous)

 LVMI, g/m2.7, beta (95% CI)

3.6

(−0.3, 7.4)

0.0

(−2.3, 2.3)

−0.06

(−0.9, 0.8)

REF

−0.2

(−0.6, 0.2)

 LV hypertrophy, OR (95% CI)b

1.21

(0.44, 3.31)

0.82

(0.35, 1.94)

0.89

(0.64, 1.23)

REF

0.97

(0.85, 1.10)

 LV end-diastolic diameter, mm, beta (95% CI)

1.7

(0.2, 3.2)*

0.09

(−0.8, 1.0)

0.03

(−0.3, 0.4)

REF

−0.08

(−0.2, 0.06)

 LV end-systolic diameter, mm, beta (95% CI)

2.0

(0.4, 3.7)*

−0.08

(−1.1, 0.9)

0.04

(−0.3, 0.4)

REF

−0.08

(−0.2, 0.08)

  1. aModels adjusted for age, sex, body mass index, alcohol consumption, education level, occupation, neighborhood socioeconomic status z-score, type of medical insurance, and smoking status
  2. bLV hypertrophy was modeled using logistic regression; all other models use linear regression
  3. *p < 0.05