This study concentrates mainly on the 12-year time trends of annual average ion concentrations in bulk precipitation from 10 Estonian monitoring stations. Trends revealed by the nonparametric Mann-Kendall test mostly show a statistically significant decline and, according to the order of ion decline per year, three groups of stations could be differentiated: stations directly affected by an ind...

OBJECTIVES To investigate the prevalence of idiopathic Parkinson's disease (PD) in Tartu district of South Estonia, with a population of 153,240 on prevalence day, 1 January 1996. METHODS The community-based method of case ascertainment was used, followed by neurologic examination. RESULTS The age-adjusted prevalence was 152 per 100,000 population, 159 for urban and 139 for the rural group,...

Pairwise Variability Index (PVI) gives a measure of the amount of variation between adjacent speech units, making it possible to arrange languages in a continuum of relative variability. In the present study, the PVI of Estonian speakers living in Sweden for over 60 years was compared to the PVI of Swedish and of Estonian spoken in Estonia. The results show that (1) PVI is significantly higher ...

Estonia is seen as a remarkable success story in the context of e-government. Several studies that have mapped the major factors affecting the evolution of e-government in Estonia are mainly grounded in information systems theory; even if competencies of the private sector and public-private partnerships are examined, their treatment remains too general. The current article argues for the impor...

There is a lack of empirical knowledge about nurses' perceptions of their workplace characteristics and conditions, such as level of autonomy and decision authority, work climate, teamwork, skill exploitation and learning opportunities, and their work motivation in relation to practice outputs such as patient safety. Such knowledge is needed particularly in countries, such as Estonia, where hos...

In 2002, a paper was published that highlighted the strong correlation noticed between melanoma incidence and the number of surrounding frequency modulation (FM) transmitters in the Nordic countries since 1955. In the report the development of future numbers of melanoma cases in Estonia were estimated since they got the FM broadcasting system rolled out not until 1992. Here, we report what happ...