Hélka Urponen

Self-rated health status as a health measure: The predictive value of self-reported health status on the use of physician services and on mortality in the working-age population

Seppo Miilunpalo, Ilkka Vuori, Pekka Oja et al. · Journal of Clinical Epidemiology · 1997 · 1.5K citations

Quality Of Life, Health Policy, Physician Services +7

Self-evaluations of factors promoting and disturbing sleep: An epidemiological survey in Finland

Hélka Urponen, I. Vuori, Jóel Hasan et al. · Social Science & Medicine · 1988 · 175 citations

Quality Of Life, Sleep, Sleep Disorders +12

Daytime sleepiness: a risk factor in community life

Kirsti Martikainen, Jóel Hasan, Hélka Urponen et al. · Acta Neurologica Scandinavica · 1992 · 106 citations

Disturbed Night Sleep, Quality Of Life, Sleep Health +15

Epidemiology of exercise effects on sleep.

I. Vuori, Hélka Urponen, Jóel Hasan et al. · PubMed · 1988 · 96 citations

Sleep Disorders, Sleep Health, Physical Activity +19

The impact of somatic health problems on insomnia in middle age

Kirsti Martikainen, Markku Partinen, Jóel Hasan et al. · Sleep Medicine · 2002 · 43 citations

Sleep Disorders, Sleep, Psychiatry +9