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Table 2 Odds ratios (OR) and 95% confidence intervals (CI) for being classified as overweight-or-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 1.03 (0.93, 1.13) 0.98 (0.89, 1.09)
High 0.87 (0.79, 0.96) 0.84 (0.76, 0.92)
  Variation in greenness in 1600 m service area c   
  Low 1 1
Moderate 0.83 (0.75, 0.91) 0.80 (0.73, 0.89)
High 0.76 (0.69, 0.84) 0.75 (0.68, 0.82)
Young adults Mean greenness in 1600 m service area b   
16-24 years Low 1 1
Moderate 0.84 (0.60, 1.18) 0.83 (0.58, 1.19)
High 0.91 (0.65, 1.27) 0.91 (0.64, 1.29)
  Variation in greenness in 1600 m service area c   
  Low 1 1
Moderate 0.72 (0.51, 1.00) 0.67 (0.47, 0.95)
High 0.72 (0.51, 1.01) 0.73 (0.51, 1.04)
Mid-age adults Mean greenness in 1600 m service area b   
25-64 years Low 1 1
Moderate 1.08 (0.96, 1.22) 1.03 (0.91, 1.17)
High 0.84 (0.74, 0.95) 0.82 (0.72, 0.93)
  Variation in greenness in 1600 m service area c   
  Low 1 1
Moderate 0.81 (0.72, 0.92) 0.81 (0.71, 0.92)
High 0.74 (0.65, 0.83) 0.75 (0.66, 0.85)
Older adults Mean greenness in 1600 m service area b   
65+ years Low 1 1
Moderate 0.92 (0.77, 1.11) 0.90 (0.75, 1.09)
High 0.86 (0.82, 1.03) 0.87 (0.72, 1.05)
  Variation in greenness in 1600 m service area c   
  Low 1 1
Moderate 0.89 (0.74, 1.07) 0.90 (0.75, 1.09)
High 0.79 (0.66, 0.95) 0.83 (0.69, 1.00)
  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.