Post harmonization guidelines were developed to overcome the differences in measurement instruments between the cohorts.
However, given the differences in assessment instruments between the two surveys, it is difficult to make direct prevalence comparisons between the 1997 and 2007 surveys.
For 2013, the EBA found that "remuneration practices within institutions were not sufficiently harmonised, in particular, the application of deferral and payout in instruments differs significantly between member states and between institutions".
Change in instrument scores between baseline and follow-up were explored, and were tested on significance with a paired samples t-test or in case of a skewed distribution with a Wilcoxon signed-rank test.
*Costing of nurse consultations for required distinct unit costs owing to differences in data collection instruments between patient reported and nurse reported data.
Fisher's exact test was used to compare the number of missing values in each instrument between orders of presentation.
Clearly the viability of such a system depends on the number of firms using it, and changing existing corporate behaviour will take time.However, over the next few years some such model seems likely to succeed, including perhaps a big increase in direct trading of financial instruments between non-bank corporations.
To assess between-group differences in instrument item scores, Mann Whitney U tests were used.
There were no significant differences in score change on any instrument between residents who participated in many reminiscence sessions and residents who participated in fewer sessions, even after taking baseline cognitive function into account (data not shown).
Data of the Consumer Quality Index GP care (CQI GP care) were used, which were collected for the development of this instrument between 2005 2007 in 32 GP practices in the Netherlands with a total of more than 16,000 patients [ 14].
