… Finally, the population-based sampling used in this study limits our ability to generalize the
… to a clinical sample of patients with ADHD. Replication of the current work in a sample of …

… -based cohorts of 9-year-old and adult twins. A further study … the study sample, which resulted
in a final sample of 297,840 … A further limitation is that our follow-up data were restricted to …

… of the disease. Antibiotic use could have influenced the outcome, for example by affecting
… Prevalence of ADHD among 7-9-year-old children in Israel. A comparison between jewish …

… sample including individuals with an ADHD diagnosis and a large … Participants lost to
follow-up showed no significant … in the population-based BCS sample to the BGALS sample, we …

… These findings require further follow-up investigations pertaining to identifying the most
suitable instruments for neuropsychiatric evaluation in children with CP, particularly for the more …

… -representative sample of twins born in 1994 and 1995 in England and Wales. The E-Risk …
a long time of follow-up of the individuals. Furthermore, despite the similarities, the population …

… Attention-deficit/hyperactivity disorder (ADHD) is one of the … had completed the 9-year
compulsory education at follow-up (… in sample size, age at IQ evaluation, follow-up interval, and …

… For each study included in the meta-analyses, sample sizes at follow-up, demographic
data (gender, age at first clinical assessment, age at last clinical assessment, duration of …

… The sample size in our study was quite large, and the positive relationship between PA and
mental health was found at two time points in 6- to 9-year-… of the German population due to …

… Similarly, in a sample of 509 adults with ADHD with a mean … for psychotic symptoms during
a 10-year follow-up period (16)… general population who were not randomly sampled but …