Background: To evaluate the effects of a case management intervention for frail older people (aged 65+ years) by cost and utility. Materials and methods: One hundred and fifty-three frail older people living at home were randomly assigned to either an intervention (n = 80) or a control group (n...

This paper is a contribution to the second World Happiness Report. It makes five main points. 1. Mental health is the biggest single predictor of life-satisfaction. This is so in the UK, Germany and Australia even if mental health is included with a six-year lag. It explains more of the variance...