Fig 1.
Flowchart of selection of statistical series and topic-relevant articles.
Fig 2.
Publication years and number of articles in statistical series from highest to lowest.
Table 1.
Characteristics of included statistical series ranked by number of covered aspects.
We considered 44 aspects, see S3 File.
Fig 3.
Extent of explanation of general aspects of regression modeling in statistical series: One sentence only (light grey), more than one sentence to one paragraph (grey) and more than one paragraph (black).
Fig 4.
Extent of explanation of aspects of functional forms of continuous predictors in statistical series: One sentence only (light grey), more than one sentence to one paragraph (grey) and more than one paragraph (black).
Fig 5.
Extent of explanation of aspects of selection of variables in statistical series: One sentence only (light grey), more than one sentence to one paragraph (grey) and more than one paragraph (black).