Several (70.3%) of our participating doctors were concerned about secondary bacterial infection, and we speculate high amoxicillin and co-amoxiclav prescribing represents an anxiety to prevent bacterial complications.
As primarily those persons participated who were concerned about possible health effects caused by exposure to mobile telecommunication networks a selection bias is possible.
Since mainly those parents and their children respectively those adolescents participated who were concerned about possible adverse health effects to electromagnetic fields an overestimation of subjective exposure seems to be likely.
Some participants were concerned about the benefits of participating in biobanking.
FP declining to participate may have lower patient CRC screening rates and be concerned about participating, the perception of being evaluated, and how it reflects on their practice.
Within the 304 women who refused participation, 56% stated that the study was too demanding, 26% was not interested in participating and 18% was concerned about the need to collect biological samples and to be submitted to neurocognitive tests.
Questionnaire on motivation for refusal: at enrollment, 304 pregnant women refused to participate to the Phime project: 56% stated that the study was too demanding and that they had no time to participate, 26% was not interested to participate and 18% was concerned about the need to collect biological samples and to be submitted to neurocognitive tests.
Brown went with his teammates to a team camp at Pittsburg State last summer but did not participate because he was concerned about being hurt.
Most patients who did not want to participate in CTs were concerned about the efficacy and effectiveness of CTs.
The PNAS paper may have flaws the scientists who participated may represent a "selection bias" in that they wouldn't have participated if they weren't concerned about the problem.
