Hello Smitha, there are generic models that can be used with individuals and groups or with communities. My book covers communities of interest such as the elderly:

 1.      Laverack (2007) Health Promotion Practice: Building Empowered

Communities. London. MaGraw-Hill. ISBN: 978-033522057-1

http://www.mheducation.co.uk/9780335220571-emea-health-promotion-practice-building-empowered-communities-group

I can send you an e-version or look on my publications list on researchgate 

Also see paper by Susanne Brandstetter in researchgate on the elderly:

Empowerment for healthy nutrition in German communities: a study framework

Article in Health Promotion International · October 2015

DOI: 10.1093/heapro/dav092

Thank you very much Mr.Glenn