… Using the example of risk factors for ADHD, we find that … potential explanation for the stronger
evidence for bias in our study is that bias in study samples at the onset of cohort studies is …

… non-participation peril the representativeness of health examination surveys (HESs). … the
potential increase in the costs, the new practice may be applied for everyone in the next survey. …

… Cross-sectional and epidemiological studies have … , and E, is associated with reduced risk
of age-associated cognitive … has the potential to explain the plethora of research reporting null …

… avoid weight gain and thus reduce their all-cause mortality risk. … BMI were categorised as
having a correct self-selected BMI. … if effective would have the potential to change methodology …

… We will focus on cohort studies in which prevalent cases at baseline have been excluded, …
. Perils and potentials of self-selected entry to epidemiological studies and surveys. JR Stat …

… , with 38 percent recruiting self-selected volunteers and the … To see this, let Y1i denote the
potential treated outcome for … of their home instead of risk being pressured into the study or …

… (intentional selection) and/or self-selected because of low baseline response rates or …
Perils and potentials of self-selected entry to epidemiological studies and surveys. JR Statist …

… up as a cohort for the purpose of studying potential risk factors for many types of cancer. The
… Also, as volunteers self-selected to participate in the study, selection bias may arise if the …

Participants in epidemiologic and genetic studies are rarely true random samples of the
populations they are intended to represent, and both known and unknown factors can influence …

… based research cohorts, by assuming an implicit ‘self-selected … potential event time T i or
censoring time C i ⁠, and the observed time X i = min ( T i , C i ) ⁠. We assume that the potential …