They underline the importance of research in private practices to improve health care and prevention in youth as well as linking population based and school health surveys data to clinical care research.
Methods: Prospective, descriptive study carried out between 2007 2009 and 2012 2015 among teenagers school population, based on surveys before and after BLS - CPR classes.
A population based study of Finnish school children did find a higher risk of TTH for those children whose fathers were lower level white collar workers as opposed to independent traders/employees, but found no association between episodic TTH and family unemployment, economic problems and single parent families [7].
But, as one would expect from a population based sample, most high school students 73-800%), regardless of gender, did not have problems with any form of aggression.
We carried out a population based study in a school community of ninth-graders (N = 452, mean age 14.85, SD 0.58) in southern Germany.
This motivated the present study to further explore the protective effect of normal to high IQ (>85) in a case-control selected sample from a population based study of primary school children aged 7-11 years, including a subsample of children with CI.
In Denmark there is no formal agency for approval of population based surveys and the schools decide autonomously whether to participate in such surveys.
Since there are no culturally defined cut-off points, we chose to include both the 80th and the 90th percentile in the analyses of caseness, using the adjusted values from the Akershus study [ 34], a Norwegian population based study from 2001 including 36,465 school-children aged 9 - 19 years.
In this context this paper examines the economic differentials in school attendance using large-scale population based survey data in India.
Most large population based studies among adolescents are conducted at mainstream schools, thus targeting only the majority group of adolescents [ 6, 11, 15].
Two other population based studies reported that students missed on average 7.2 school days in the last six months due to migraine, which is comparable to our study (about 3 days in the last 3 months) [23,24].
