1. Department of Social Work, Umeå University, and Centre for Demographic and Ageing Research, Umeå University , 901 87, Umeå , Sweden
2. Department of Sociology, Centre for Demographic and Ageing Research, Umeå University , 901 87, Umeå , Sweden
3. Mannheim Centre for European Social Research (MZES) , 68159 Mannheim , Germany