Ian J. Deary|Catharine R. Galé|Marlene Stewart|F. G. R. Fowkes|Gordon Murray|G. David Batty|Jackie F. Price
Intelligence and persisting with medication for two years: Analysis in a randomised controlled trial
University of Edinburgh|Medical Research Council|MRC Epidemiology Unit|University of Southampton|University of Edinburgh|University of Edinburgh|University of Edinburgh|MRC/CSO Social and Public Health Sciences Unit|University of Glasgow|Medical Research Council|University of Edinburgh|Medical Research Council
study examined whether verbal intelligence associated persisting take medication two years design prospective followup compliance taking medication highrisk individuals participating randomised placebocontrolled trial set central scotland participants 1993 people aged 50 77 years ankle brachial index 095 medication 100 mg aspirin placebo dailythe principal outcome measure continuing taking medication stopping due changed ones mind higher verbal intelligence associated greater likelihood continuing take medication two years randomisation standard deviation increase mill hill vocabulary scale score risk stopping medication first two years study 075 95 ci 064 087 p 0001 comparing highest lowest quartiles iq lowest iq groups relative rate stopping medication 251 95 ci 152 422 effect attenuated adjustment sex smoking level deprivation verbal intelligence associated continuing mediumtolong term engagement health selfcare even face uncertainty whether active treatment received whether treatment known effective general whether helpful individual taking persisting potentially helpful health behaviours face uncertainty might partly explain people higher intelligence live longer suffer less morbidity chronic diseases