Table 2: Details of reviewed articles of mental conditions and the built environment.

Author Sample
(n, country)		 Age Independent Variables (BE) BE
Variable		 Health variable Statistical Association
Berke et al. [84] 740
USA		 ≥65 1. Walkability score O Depressive symptoms - (for men);
NS (for women)
Brown et al. [86] 273 low-socioeconomic-status Hispanics
USA		 ≥65 1. Front entrance variables
2. Window area
3. Low sill height
4. Ground-floor parking
5. Small setback		 O Psychological distress NS
NS
NS
NS
NS
Chan et al. [80] 4489 Singapore ≥60 1. Housing type ≤2 rooms S Depressive symptoms +
Evans et al. [85] 497
USA		 ≥60 1. Housing quality O Positive affect NS
Howden-Chapman [78] 6762
UK		 55-80 1. Housing Quality problems S Minor psychiatric morbidity +
Lai & Guo [81] 497
China		 ≥60 1. Satisfaction with housing S Depressive symptoms -
Saarlos et al. [82] 5218 men
Australia		 65-79 1. Walkability
2. Street connectivity
3. Residential density
4. Land-use mix
5. Retail availability		 O Depression rate NS
NS
NS
+
+
Stewart et al. [83] 218
UK		 ≥65 1. Accommodation quality O Depression -

(+) Statistically significant, positive effect on outcome; (-) Statistically significant, negative effect on outcome; (NS) Not statistically significant; (O) Objective measure of BE; (S) Self-rated measure of BE; (M) Mixed measure, including objective and self-rate.