From: The impact of intergenerational programs on social capital in Japan: a randomized population-based cross-sectional study
Duration
2004–2005
2006–2010
2011–2015
No intervention
(Term 1)
(Term 2)
(Term 3)
3
7
11
Number
One place
Two places
Three places
(Type 1)
(Type 2)
(Type 3)
9
2