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Although essential tremor (ET) is considered the most prevalent adult movement disorder, the available information on its prevalence and distribution worldwide is not completely understood. We investigated the prevalence and distribution of ET in three elderly Spanish populations using a door-to-door, two-phase approach. A brief screening instrument was(More)
Essential tremor (ET) is a late-life neurological disease. Mild cognitive deficits as well as an association with prevalent dementia have been reported in recent case-control studies. We determined whether ET was associated with an increased risk of incident dementia. In a population-based study of older people in central Spain (NEDICES), nondemented ET(More)
To evaluate the mortality, thirteen years after the baseline wave (1994), of participants suffering dementia in the Neurological Disorders in Central Spain (NEDICES) Cohort Study, we conducted a population-based cohort study in the elderly (65 years and more) with 5,278 screened participants at baseline. Mortality has been evaluated by means of the National(More)
OBJECTIVE To estimate the incidence of essential tremor (ET) in three populations in central Spain using data from the Neurologic Disorders in Central Spain (NEDICES), a population-based survey of elderly subjects (65 years and older). METHODS Individuals were evaluated at baseline (1994 to 1995) and at follow-up (a median of 3.3 years later in 1997 to(More)
The prevalence of Parkinson's disease (PD) and other types of parkinsonism in three elderly populations of central Spain was investigated using a door-to-door, two-phase approach. This design called for the administration of a brief questionnaire to subjects 65 years of age or older taken from the census of one urban municipality of Greater Madrid(More)
OBJECTIVE To assess age-, gender, and subtype-specific incidence rates of dementia in three populations in central Spain using data from the Neurological Disorders in Central Spain (NEDICES), a population-based survey of elderly participants. METHODS Individuals were evaluated at baseline (1994-1995) and at follow-up (a median of 3.2 years later in(More)
Health-related quality of life (HRQoL) has been more intensively studied in multiple sclerosis (MS) than in any other neurological disorder. Traditional medical models of impairment and disability are an incomplete summary of disease burden. Quality of life can be thought of as the sum of all sources of satisfaction (including anticipated sources) minus all(More)
There are few data on the co-morbidity of essential tremor (ET) with depression. To assess the associations of ET with self-reported depression and antidepressant medication use. In a population-based study in central Spain, participants were evaluated at baseline (1994-1995) and 3 years later. Self-reported depression and use of antidepressant medications(More)
BACKGROUND AND PURPOSE We determined in a population-based study whether sleep duration was associated with an increased risk of incident dementia. METHODS In a population-based study in central Spain, participants were evaluated at baseline and 3 years later. Baseline demographic variables were recorded and participants indicated their daily sleep(More)