Jan Bardelle, Hanna Abady, Michael Paulussen, Peter Lampen-Eberle, Hermann Kalhoff, Antje Pizzulli, Kirn Parasher, Patrick Brzoska, Malik Aydin, Claudia Kiessling
Study protocol of a prospective, interventional non-randomised trial investigating the impact of asthma education on specific disease understanding, health literacy and therapy outcome in childhood
BMJ open
main aim study examine changes relative weight prevalence obesity across tenyear period among 14yearold boys according parental education level data two surveys carried 1987 1997 boys attending 7th grade primary schools wrocaw used analysis heights weights 3165 boys aged 14 years selected cohort 6969 7th 8th grade boys primary schools city wrocaw used data second sample 14yearold boys n 1014 obtained health examination study carried silesian centre preventive medicine dolmed wrocaw 1997 boys attended 7th grade 34 randomly selected primary schools total 129 schools city wrocaw social status assessed basis parental education level scored four categories university secondary school trade school elementary school prevalence overweight obesity defined percentage children 85th 95th percentiles body mass index bmi means 2127 2375 kgm2 respectively prevalence overweight among boys slightly lower 1997 sample whereas prevalence obesity shows opposite trend higher one percent comparison 1987 sample similar trends declining medians increasing variance observed educational groups differences medians two samples within educational groups achieve statistical significance groups parents education elementary level fathers university education trend toward increasing prevalence obesity across decade considered according fathers education level respect mothers education levels dramatic changes bmi obesity occurred elementary education group percentage obese subjects increased twofold significant increase also observed group parents attaining university education