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Background  Africa is the most affected continent with 200,000 new born affected by sickle cell anemia annually with of 5% of under five deaths. Nigeria has the largest sickle cell gene pool in the world with about 2% of all babies born to Nigerian parents. This study therefore sets out to assess the prevention practices influencing the frequency of occurrence of vaso-occlusive crisis among patients in Ogun State.    Methods  This study is a descriptive cross-sectional study conducted in Abeokuta South Local Government Area Ogun State. A consecutive non randomized sampling of all the sickle cell patients that attend the selected facilities was recruited into the study. Data were collected with the use of questionnaires which were interviewer administered. A total of 415 patients were recruited into the study. Statistical analyses were conducted using SPSS for Windows version 20.0.    Result  Two- third [64.8%] of study participants have crisis twice or more in a month. The frequency of crisis was statistically significantly associated with the age of the child [ p  = 0.006], use of anti-malaria prophylaxis [ p  = 0.006], analgesics [ p  = 0.0001], taking of plenty fluid [ p  = 0.001] and soothing herbs [ p  = 0.0001]. Lifestyle factors such as giving balance diet [ p  = 0.217], restriction from strenuous activities [ p  = 0.08], and attending Clinic appointments regularly [ p  = 0.126] were not statistically associated with reduction in the frequency of crisis. Logistic regression analysis shows that predictors of frequent crisis were individuals who were using prophylaxis antimalarial drugs [OR = 0.12, CI = 0.05–0.33] and analgesics [OR = 0.15, C.I = 0.06–0.34].    Conclusion  The study reveals that majority of the participants have high frequency of crisis in a month. Drug prophylaxis rather than lifestyle factors may be more important in the prevention of vaso-occlusive crisis among sickle cell patients.    Electronic supplementary material  The online version of this article (doi:10.1186/s12878-017-0077-9) contains supplementary material, which is available to authorized users.

bmc hematology

Prevention practices influencing frequency of occurrence of vaso-occlusive crisis among sickle cell patients in Abeokuta South Local Government Area of Ogun State, Nigeria