Julia C Young, Vinali L Dias, Kate L Loveland
Defining the window of germline genesis in vitro from murine embryonic stem cells
Biology of reproduction
studies date focused headaches quality life academic performance children determine effect headaches life schoolchildren association headaches academic performance conducted crosssectional study one hundred ninetyfive students elementary school randomly selected 355 students aged 10 15 years old semistructured interview pediatric quality life inventory version 40 childrens depression inventory statetrait anxiety inventory used variables relating academic performance obtained consulting academic records prevalence headaches headache 973 179184 migraine 51 94184 tensiontype headache 33 61184 primary stabbing headache 76 14184 unclassified headaches 54 10184 migraine relative risk 311 95 confidence interval 154630 severe headaches relative risk 793 95 confidence interval 265237 associated lower quality life p 01 multivariate logistic regression severe headaches associated lower grades school p 01 multiple linear regression variables relating headaches associated failing school year p 05 chisquare test fishers exact test headaches found associated lower quality life poor academic performance