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Table 3 Odds ratios (OR) and 95% confidence intervals (CI) for being classified as obese for differences in neighborhood greenness among 10,208 adults resident in Perth, Western Australia who responded to the Health and Wellbeing Survey 2004-2009

From: The association between neighborhood greenness and weight status: an observational study in Perth Western Australia

Population   Unadjusted OR (95% CI) AdjustedaOR (95% CI)
All adults Mean greenness in 1600 m service area b   
16+ years Low 1 1
Moderate 0.93 (0.82, 1.05) 0.92 (0.82, 1.04)
High 0.77 (0.68, 0.87) 0.78 (0.69, 0.89)
  Variation in greenness in 1600 m service area c   
  Low 1 1
Moderate 0.80 (0.71, 0.90) 0.81 (0.72, 0.92)
High 0.73 (0.64, 0.82) 0.75 (0.66, 0.85)
Young adults Mean greenness in 1600 m service area b   
16-24 years Low 1 1
Moderate 0.40 (0.22, 0.74) 0.42 (0.22, 0.78)
High 0.54 (0.31, 0.95) 0.60 (0.34, 1.06)
  Variation in greenness in 1600 m service area c   
  Low 1 1
Moderate 0.84 (0.49, 1.45) 0.84 (0.48, 1.47)
High 0.60 (0.33, 1.09) 0.63 (0.34, 1.17)
Mid-age adults Mean greenness in 1600 m service area b   
25-64 years Low 1 1
Moderate 1.04 (0.90, 1.21) 1.01 (0.87, 1.17)
High 0.82 (0.70, 0.95) 0.82 (0.71, 0.96)
  Variation in greenness in 1600 m service area c   
  Low 1 1
Moderate 0.78 (0.68, 0.91) 0.80 (0.69, 0.93)
High 0.71 (0.61, 0.82) 0.76 (0.66, 0.89)
Older adults Mean greenness in 1600 m service area b   
65+ years Low 1 1
Moderate 0.78 (0.62, 0.98) 0.77 (0.61, 0.98)
High 0.69 (0.55, 0.87) 0.73 (0.57, 0.92)
  Variation in greenness in 1600 m service area c   
  Low 1 1
Moderate 0.86 (0.68, 1.08) 0.91 (0.72, 1.15)
High 0.78 (0.62, 0.98) 0.84 (0.66, 1.07)
  1. a Risk/protective factors: age, sex, education, fruit and vegetable intake, smoking.
  2. b Tertiles for mean greenness: Low (mean NDVI < 0.066, reference level), Moderate (0.067 ≤ mean NDVI ≤ 0.094), High (mean NDVI > 0.094).
  3. c Tertiles for variation in greenness: Low (SD NDVI < 0.097, reference level), Moderate (0.097 ≤ SD NDVI ≤ 0.109), High (SD NDVI > 0.109).
  4. Bold text indicates statistical significance at the 5% (α) level.