Eiríkur Líndal

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The lifetime prevalence of anxiety disorders was estimated in a study of the prevalence of mental disorders in Iceland. The survey instrument was an Icelandic translation of the US National Institute of Mental Health Diagnostic Interview Schedule. The cohort consisted of one half of those born in the year 1931. The participation rate was 79.3%. The overall(More)
The lifetime prevalence rates are presented for mental disorders in a random sample of people born in Iceland in 1931, interviewed at the age of 55-57 years. The diagnoses are made according to DSM-III, on the basis of the National Institute of Mental Health's diagnostic Interview Schedule (NIMH-DIS) used by trained lay interviewers. The most common(More)
The study was carried out to estimate the prevalence of chronic fatigue syndrome (CFS) in Iceland. No previous prevalence studies known to us have been undertaken in Iceland or in Scandinavia. A 95-item custom-made questionnaire was sent to 4000 randomly selected people. The response rate was 63%. The questionnaire was constructed to include questions on(More)
The results of a genomewide scan for genes conferring susceptibility to anxiety disorders in the Icelandic population are described. The aim of the study was to locate genes that predispose to anxiety by utilizing the extensive genealogical records and the relative homogeneity of the Icelandic population. Participants were recruited in two stages: (1)(More)
UNLABELLED Factors pertaining to post-surgical rehabilitation were investigated. These included personality, mental, and pain issues. The investigation covered the first year of bypass operations. SUBJECTS 60 patients undergoing coronary artery bypass graft (CABE) operations. INSTRUMENTS a questionnaire, a personality inventory (MMPI), and a test of(More)
The prevalence of lifetime psychiatric disorders was investigated among all known systemic lupus erythematosus (SLE) patients in Iceland. The participation rate was 81%. Over 49% of the subjects received a lifetime psychiatric diagnosis. The number of diagnoses per person was 2.3. The most common disorder among those with a disorder was phobia (56%),(More)
A specially designed pain questionnaire was administered to 52 consecutive out-patients referred to an orthopaedic clinic of a general hospital over a two week period because of pain in the lower back. A clinical evaluation, based on the patients' markings on 'pain drawings', and on the degree of compatibility between their reported pain symptoms and the(More)
The Mini-Mental State Examination was taken by 862 subjects from the general population, all born in 1931 and 55 to 57 years of age at the time of the study. These responses were analyzed in detail to obtain normative data for the test, and comparisons were made between the members of the group who had lifetime histories of psychiatric disorder and those(More)
The association between pain in general, back pain and smoking was studied in a sample of subjects from the general public (n = 862). The results show that smoking men had pain problems more frequently than women (p < 0.0001). In comparison with non-smokers, smokers were found to have back pains more frequently (p < 0.01). Male smokers were also found to(More)
Our objective was to analyze the frequency and quality of visions in a general-population sample compared with those experienced among schizophrenics. A sample group from the general population (n = 862) was compared with a group of schizophrenic patients (n = 19). Significant and qualitative differences were found in visions experienced by schizophrenic(More)