While in Austria, France, the Netherlands and the UK levels of protest mobilization have remained rather stable over time, in Germany, Spain and Switzerland the levels increased more or less steadily.
The population sizes of the other three groups have remained rather stable over time.
According to a Finnish review, BMI has increased remarkably but the socioeconomic differences seem to have remained rather stable [ 19].
However, dust deposition measurements shows that the lead emissions from the smelter in Landskrona have not decreased, but remained rather stable since 1988, and there is a tendency towards an increase in the emission levels in the industrial area.
Demands on employees [−1/0/1] – Indicator specifying whether the demands on firms' employees had increased (= − 1), decreased (=1), or remained rather stable (=0) during the three years preceding the interview.
Moreover, their strategy use remained rather stable over time.
The differences remained rather stable during the whole study period.
In 1990 97, the use of adjuvant tamoxifen and chemotherapy remained rather stable in the Netherlands.
For men, the remaining LE increased for all ages except for the 90-year-olds where it remained rather stable.
However, this is not believed to be a severe limitation because research has found that memories of harrowing events remain rather stable over long periods of time (36, 37).
