Table 1

Summary of the principal component analysis
Factor loading Communality
1st principal component
Political group .641 .410
Industry group/ Trade association .480 .231
Volunteer group .760 .578
Civic/Consumer movement group .803 .644
Religious group .368 .135
Sport group .556 .309
Neighborhood associaiton/Senior citizens’club .582 .338
Hobby group .602 .363
Eigenvalue 3.001
Contribution 37.600

Takagi et al.

Takagi et al. BMC Public Health 2013 13:701   doi:10.1186/1471-2458-13-701

Open Data