Table 3

Odds ratios (OR) and 95% confidence intervals (CIs) for the association between nature exposure and psychotropic medication use

	Psychotropic medication use*
	Model 1†		Model 2‡		Model 3§
	OR	95% CI	OR	95% CI	OR	95% CI
Amount of residential green space¶ (n=5987)	0.94	0.89 to 1.00	0.96	0.90 to 1.01	0.96	0.90 to 1.02
Frequency of green space visits (n=5886)
Never/<1 time per week	ref	ref	ref	ref	ref	ref
1–2 times/week	0.76	0.63 to 0.91	0.80	0.66 to 0.97	0.80	0.66 to 0.97
3–4 times/week	0.64	0.53 to 0.78	0.67	0.55 to 0.82	0.67	0.55 to 0.82
≥5 times/week	0.74	0.60 to 0.91	0.77	0.63 to 0.95	0.78	0.63 to 0.96
Green view from home (n=5939)
No	ref	ref	ref	ref	ref	ref
Yes, I look at it seldom/occasionally	0.94	0.79 to 1.13	0.96	0.80 to 1.16	0.97	0.81 to 1.17
Yes, I look at it often	0.93	0.79 to 1.10	0.97	0.82 to 1.15	0.98	0.83 to 1.16
Amount of residential blue space (n=5987)
0%	ref	ref	ref	ref	ref	ref
>0%–10%	1.10	0.95 to 1.27	1.11	0.95 to 1.28	1.10	0.95 to 1.28
>10%	1.04	0.87 to 1.25	1.04	0.86 to 1.27	1.03	0.85 to 1.26
Blue view from home (n=5949)
No	ref	ref	ref	ref	ref	ref
Yes, I look at it seldom/occasionally	1.02	0.74 to 1.42	1.03	0.74 to 1.44	1.03	0.74 to 1.43
Yes, I look at it often	1.00	0.79 to 1.26	1.03	0.81 to 1.32	1.03	0.80 to 1.31

*Anxiolytics, hypnotics and antidepressants, based on the question ’When was the last time you used the following medication?’ Within the last week/1–4 weeks ago/1–12 months ago=YES; never/more than a year ago=NO.
†Model 1 (crude) adjusted for age and sex.
‡Model 2 adjusted for age, sex, marital status, education, employment status, annual household income, smoking, alcohol use, physical activity at work, using recreational property during warm season and area-level annual mean income.
§Model 3 (main) adjusted for age, sex, marital status, education, employment status, annual household income, smoking, alcohol use, physical activity at work, using recreational property during warm season, area-level annual mean income, road traffic noise and NO₂ from road traffic.
¶Within a 1 km radius around the respondent’s home, calculated for 10% increase.