KlaasJan Hajema

Fried phenotype of frailty: cross-sectional comparison of three frailty stages on various health domains

Linda P. M. Op het Veld, Gertrudis I. J. M. Kempen, Henrica C. W. de Vet et al. · BMC Geriatrics · 2015 · 174 citations · Full text

Medicine, Geriatric Medicine, Functional Decline +16

Dementia awareness and risk perception in middle-aged and older individuals: baseline results of the MijnBreincoach survey on the association between lifestyle and brain health

Irene Heger, Kay Deckers, Martin P.J. van Boxtel et al. · BMC Public Health · 2019 · 139 citations · Full text

Medicine, Geriatric Medicine, Preventive Medicine +16

Changes in social roles as predictors of changes in drinking behaviour

KlaasJan Hajema, Ronald A. Knibbe · Addiction · 1998 · 111 citations

Social Sciences, Social Psychology, Sociology +14

Risk factors of loneliness across the life span

Elody Hutten, Ellen M.M. Jongen, KlaasJan Hajema et al. · Journal of Social and Personal Relationships · 2021 · 77 citations · Full text

Social Sciences, Demography, Sociology +11

Lonely at the bottom: a cross-sectional study on being ill, poor, and lonely

Hans Bosma, Maria Jansen, Suzanne Schefman et al. · Public Health · 2015 · 69 citations

Social Sciences, Psychology, Sociology +12