Table 4.

Environmental factors

	Associations with physical activity
Regional locations (urban)	35 (–), 38 (NI), 43 (NI)
Dwelling types and density	30 (living in a flat rather than in a house –; dwelling density NS), 34 (dwelling density NS), 51 (house residence +; dwelling density –), 57 (house residence +)
Nature and green spaces†	25 (–), 51 (–), 55 (+), 66 (+), 79 (+)
Neighborhood infrastructure§	25 (sidewalks and roads, +), 42 (closed infrastructure, no good environments; NI), 51 (proximity to major roads, +)

*Associations with physical activity – Positive (+), Negative (–), Not significant (NS), Not indicated/descriptive (NI).

†Two studies with negative results are for children. and others with positive results are for adults.

§Neighborhood infrastructure excluding nature and green spaces (eg, parks, trails).