SK conducted the re-contacting of study participants in 1999 and participated in the statistical analyses.
Second, the personal contact of Study 1 was reduced in Study 2, with thermal imaging reports sent to the householders instead of being presented personally by the researcher.
In EPIC, follow-up is based on population cancer registries (Denmark, Italy, Netherlands, Norway, Spain, Sweden and the United Kingdom) and other methods, such as health insurance records, pathology registries and active contact of study subjects or next of kin (France, Germany and Greece).
Two reviewers screened full text copies of relevant articles to determine whether they met eligibility criteria for inclusion and suitability for inclusion in the meta-analysis or for contact of study authors.
If the pre-pregnancy weight was missing on the record, the weight at the first contact of study participation (less than 10 weeks gestation) was used as pre-pregnancy weight.
Researchers forecasting costs for industry stakeholders may not have a strong influence on participant recruitment, but it seems likely to foster better trust and stronger relations between research stakeholders and almost certainly enhances retention or re-contact of study participants.
Third, we are in contact with victim support associations and professional service associations, who notify their members and contacts of the study through newsletters and personal messages.
For the recruitment of the general nurses we addressed invitations to the heads of nursing homes and outpatient nursing services selected by personal contacts of the study team.
Table 3 shows the socio-economic impact of the influenza viral types and subtypes on the household contacts of the study children.
The prevalence of nasal colonization with S. aureus was 28/77 (36%) in the household contacts of the study group versus 16/77 (21%) in the control group (p = 0.032).
