?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=Menarchial+Age+of+Secondary+School+Girls+in+Urban+and+Rural+Areas+of+Rivers+State%2C+Nigeria&rft.creator=Chidiebere+Ikechukwu%2C+Ikaraoha&rft.creator=Ikaraoha+Chigaekwu%2C+Mbadiwe&rft.creator=Chidi+Uzoma%2C+Igwe&rft.creator=Dennis+O%2C+Allagua&rft.creator=Okoye%2C+Mezie&rft.creator=Golden+TO%2C+Iwo&rft.creator=Peace+I%2C+Ofori&rft.subject=Online+Journal+of+Health+and+Allied+Sciences&rft.description=The+menarchial+age+of+859+secondary+school+girls+consisting+of+508+from+urban+and+351+from+rural+area+of+Rivers+State%2C+Nigeria+were+determined%2C+using+questionnaires+and+interview+method.+Data+collation+revealed+that+69.2%25+(243)+of+the+rural+population+were+menstruating%2C+while+70.1%25+(356)+of+the+urban+population+were+menstruating.+Mean+ages+of+menarche+were+13.19%C2%B11.32+years+and+14.22%C2%B11.47+years+for+urban+and+rural+areas+respectively+.A+statistically+significant+lower+mean+menarchial+age+was+observed+in+urban+area+girls%2C+compared+to+their+rural+counterparts.+Girls+from+families+of+high+socio-economic+class+has+significantly+lower+mean+menarchial+age+in+both+urban+and+rural+area.+The+mean+age+of+menarche+was+significantly+higher+in+girls+involved+in+vigorous+sporting+activity+in+rural+areas+compared+to+their+non-sporting+counterparts.+Urban+school+girls+attain+menarche+earlier+than+those+in+rural+area.+High+socio-economic+class+and+vigorous+sporting+activity+can+be+predisposing+factors+to+low+and+high+age+of+menarche+respectively.+There+is+need+for+redefinition+of+high+socio-economic+class+in+Nigeria.&rft.publisher=Dr.+B.S.+Kakkilaya&rft.contributor=Kakkilaya+Bevinje%2C+Dr.+Srinivas&rft.date=2005-08&rft.type=Journal+(On-line%2FUnpaginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F4554%2F1%2F2005-2-4.pdf&rft.identifier=++Chidiebere+Ikechukwu%2C+Ikaraoha+and+Ikaraoha+Chigaekwu%2C+Mbadiwe+and+Chidi+Uzoma%2C+Igwe+and+Dennis+O%2C+Allagua+and+Okoye%2C+Mezie+and+Golden+TO%2C+Iwo+and+Peace+I%2C+Ofori++(2005)+Menarchial+Age+of+Secondary+School+Girls+in+Urban+and+Rural+Areas+of+Rivers+State%2C+Nigeria.++%5BJournal+(On-line%2FUnpaginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F4554%2F