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Table 5 Neighbourhood environmental attribute associations with MetS status and metabolic health profiles with vs. without MetS (N = 3681)

From: The neighbourhood environment and profiles of the metabolic syndrome

Neighbourhood environmental attribute (T = total effect; D = direct effect)

MetS status

Metabolic health profiles

MetS vs. no MetS (ref.)

LC2 MetS vs LC1 no MetS (ref.)

LC3 MetS vs LC1 no MetS (ref.)

LC2 MetS vs LC2 no MetS (ref.)

LC3 MetS vs LC2 no MetS (ref.)

LC2 MetS vs LC3 no MetS (ref.)

LC3 MetS vs LC3 no MetS (ref.)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

Population density (persons/ha)

 T

0.997 (0.989, 1.006)

1.001 (0.987, 1.016)

0.998 (0.988, 1.008)

1.001 (0.987, 1.016)

0.999 (0.989, 1.010)

0.997 (0.975, 1.021)

0.995 (0.974, 1.016)

 D

1.001 (0.989, 1.014)

1.005 (0.984, 1.028)

0.995 (0.980, 1.009)

1.006 (0.984, 1.028)

0.995 (0.979, 1.011)

1.024 (0.988, 1.060)

1.013 (0.982, 1.045)

Commercial land use (%)

 T

0.998 (0.985, 1.011)

0.978 (0.951, 1.006)

1.010 (0.995, 1.025)

0.966 (0.940, 0.993)*

0.998 (0.984, 1.013)

0.972 (0.931, 1.014)

1.004 (0.969, 1.040)

 D

0.996 (0.982, 1.009)

0.974 (0.946, 1.003)

1.007 (0.992, 1.023)

0.962 (0.935, 0.990)**

0.994 (0.979, 1.010)

0.976 (0.933, 1.021)

1.009 (0.971, 1.048)

Parkland (%)

 T

1.002 (0.996, 1.009)

1.004 (0.994, 1.014)

0.998 (0.990, 1.005)

1.009 (0.998, 1.019)

1.003 (0.995, 1.012)

0.994 (0.977, 1.011)

0.988 (0.973, 1.004)

 D

1.004 (0.997, 1.011)

1.004 (0.994, 1.015)

1.000 (0.993, 1.008)

1.008 (0.997, 1.019)

1.003 (0.995, 1.012)

0.992 (0.975, 1.010)

0.988 (0.972, 1.004)

Blue space (%)

 T

0.976 (0.936, 1.018)

0.943 (0.857, 1.037)

0.982 (0.939, 1.028)

0.947 (0.861, 1.041)

0.987 (0.940, 1.036)

0.970 (0.837, 1.123)

1.011 (0.895, 1.142)

 D

0.980 (0.939, 1.022)

0.960 (0.877, 1.050)

0.987 (0.942, 1.033)

0.964 (0.881, 1.055)

0.993 (0.945, 1.043)

0.985 (0.846, 1.147)

1.014 (0.889, 1.156)

Land use mix (other)

 T

1.392 (0.734, 2.641)

2.342 (0.867, 6.338).

1.505 (0.742, 3.052)

1.947 (0.701, 5.405)

1.383 (0.653, 2.929)

1.708 (0.295, 9.894)

1.208 (0.246, 5.943)

 D

1.031 (0.514, 2.069)

1.785 (0.613, 5.194)

0.850 (0.397, 1.818)

2.137 (0.728, 6.279)

1.064 (0.476, 2.380)

3.802 (0.563, 25.670)

1.862 (0.322, 10.765)

Street intersection density (/km2)

 T

1.001 (0.998, 1.004)

1.002 (0.997, 1.008)

1.004 (1.000, 1.007)*

0.998 (0.993, 1.004)

1.000 (0.996, 1.003)

0.996 (0.987, 1.004)

0.997 (0.990, 1.004)

 D

1.000 (0.997, 1.003)

1.001 (0.995, 1.007)

1.001 (0.998, 1.005)

0.999 (0.993, 1.005)

0.999 (0.995, 1.003)

0.995 (0.986, 1.004)

0.995 (0.987, 1.003)

Area SES (IRSAD)

 T

0.955 (0.925, 0.987)**

curvilinear**

p = .0090

0.928 (0.894, 0.964)***

curvilinear*

p = .0496

0.961 (0.924, 0.999)*

1.035 (0.943, 1.136)

1.024 (0.944, 1.112)

 D

0.961 (0.927, 0.996)*

curvilinear** p = .0077

curvilinear*

p = .0101

curvilinear*

p = .0165

0.957 (0.917, 0.999)*

curvilinear*

p = .0239

1.042 (0.953, 1.140)

Air pollution: NO2 (ppb)

 T

0.999 (0.946, 1.055)

0.991 (0.895, 1.098)

0.987 (0.928, 1.049)

1.060 (0.957, 1.173)

1.062 (0.993, 1.136).

0.891 (0.773, 1.027)

0.891 (0.793, 1.001).

 D

0.995 (0.942, 1.048)

0.992 (0.895, 1.100)

0.981 (0.923, 1.042)

1.064 (0.960, 1.179)

1.060 (0.991, 1.133).

0.897 (0.777, 1.034)

0.889 (0.791, 0.999)*

Air pollution: PM2.5 (μg/m3)

 T

1.049 (0.993 1.108)

0.992 (0.869, 1.131)

1.070 (1.005, 1.138)*

0.955 (0.844, 1.082)

1.030 (0.963, 1.103)

0.930 (0.782, 1.107)

1.005 (0.880, 1.147)

 D

1.048 (0.992, 1.107)

0.991 (0.867, 1.132)

1.072 (1.007, 1.140)*

0.950 (0.837, 1.077)

1.026 (0.959, 1.098)

0.937 (0.786, 1.117)

1.014 (0.887, 1.159)

  1. Abbreviations: MetS the Metabolic Syndrome, LC latent class, NO2 nitrogen dioxide, PM2.5 particulate matter < 2.5 μm, ppb parts per billion, SES socio-economic status, IRSAD Index of Relative Socioeconomic Advantage and Disadvantage, ref. reference category
  2. Land use mix (other) encompassed land use excluding commercial land use, parkland and blue space. A description of the metabolic health profiles is given in Table 3. Minimal sufficient adjustment sets of covariates for each neighbourhood attribute were based on the directed acyclic graph (DAG) (see Additional file 1: Fig. A1 and Table 1). p < .10; * p < .05; ** p < .01; *** p < .001. Significant curvilinear associations are presented in Fig. 2 and A2