Table 1.

Relative importance of reasons for volunteering (mean Likert scale scores^†) according to volunteer status and city.

	Volunteer Status		City
	Tree Volunteers	Potential Volunteers	New York City	Philadelphia	All Groups
Neighborhood Improvement	3.85	3.66^*	3.80	3.78	3.79
Education About Trees/Nature	3.37	3.14^*	3.33	3.27	3.30
Social Interaction	2.82	2.75	2.70	2.93^*	2.80

↵† a score of 4 was assigned for “great,” 3 for “some,’ 2 for “little,” and 1 for “none”
↵* significantly different @ <.01