Table 3 Association between natural outdoor environments and the odds of reporting good health

 The percentage of surrounding green spaces within 1 km buffer

1.64 (1.14–2.37) **

1.32 (0.94–1.86)

 The percentage of surrounding blue spaces within 1 km buffer

3.10 (0.75–12.88)

1.14 (0.31–4.19)

 Logarithm of proximity to the nearest green spaces

0.94 (0.91–0.98) **

0.97 (0.94–1.00)

 Logarithm of proximity to the nearest blue spaces

0.94 (0.88–0.99) *

0.94 (0.89–0.99) *

Age (years)

60–69

70–79

> = 80

OR (95% CI)

OR (95% CI)

OR (95% CI)

 The percentage of surrounding green spaces within 1 km buffer

2.39 (1.27–4.49) **

1.48 (0.66–3.30)

1.01 (0.23–4.35)

 The percentage of surrounding blue spaces within 1 km buffer

2.80 (0.24–32.39)

3.21 (0.13–82.10)

1.91 (0.01–269.42)

 Logarithm of proximity to the nearest green spaces

0.91 (0.85–0.97) **

0.95 (0.87–1.03)

0.94 (0.81–1.09)

 Logarithm of proximity to the nearest blue spaces

0.92 (0.82–1.03)

0.84 (0.72–0.97) *

1.00 (0.78–1.28)

Education

No schooling

Elementary school or junior high school

Senior high school

College or above

OR (95% CI)

OR (95% CI)

OR (95% CI)

OR (95% CI)

 The percentage of surrounding green spaces within 1 km buffer

1.66 (0.70–3.92)

2.09 (1.22–3.59) **

3.44 (0.71–16.60)

2.18 (0.14–33.14)

 The percentage of surrounding blue spaces within 1 km buffer

8.31 (0.35–198.67)

7.17 (0.81–63.61)

0.03 (0.00–2.28)

0.03 (0.00–143.17)

 Logarithm of proximity to the nearest green spaces

0.96 (0.87–1.05)

0.92 (0.87–0.98) **

0.89 (0.79–1.00)

0.86 (0.70–1.06)

 Logarithm of proximity to the nearest blue spaces

0.90 (0.77–1.06)

0.85 (0.77–0.94) **

0.99 (0.83–1.17)

1.09 (0.80–1.49)

Hukou status

Local hukou

Non-local hukou

OR (95% CI)

OR (95% CI)

 The percentage of surrounding green spaces within 1 km buffer

1.53 (0.91–2.57)

4.26 (1.51–12.01) **

 The percentage of surrounding blue spaces within 1 km buffer

3.85 (0.54–27.67)

1.06 (0.18–61.40)

 Logarithm of proximity to the nearest green spaces

0.95 (0.90–1.01)

0.85 (0.78–0.94) **

 Logarithm of proximity to the nearest blue spaces

0.90 (0.82–0.99)

0.88 (0.75–1.04)