Sentence examples for in previous population from inspiring English sources

These questions are not part of the international (or European) mandatory questions but they have been used, with small variations, in previous population censuses organised by the Estonian state.

A subset of these markers has already been successfully used in previous population studies [ 36, 19].

Individuals that had been used in previous population genetic studies were preferentially chosen [ 21, 22].

Similar frequencies of undiagnosed bronchial obstruction has been found in previous population based studies [ 18- 20].

However, the prevalence reported is similar to that in previous population surveys.

The self-administrated questionnaires were not validated in this population but most of the questions have been used in previous population studies in Norway.

A close association between insomnia and migraine has been described in previous population-based studies [8 16].

In addition, the prevalence of migraine, anxiety, depression, poor sleep quality and insomnia in the data of KHSS were similar to that in previous population-based studies [16, 35, 36] Therefore, we could assure that we successfully investigated migraine and insufficient sleep in the present study.

This was found in this trial, as well as in previous population-based surveys [ 26- 29].

The second algorithm was similar to the outcome definition used in previous population-based studies [ 18- 20].

In our group of healthy controls, the 12-month incidence (16.1%) was considerably lower than in previous population-based data serving as a reference for previous studies.