Sickle cell disease in western Sudan: genetic epidemiology and predictors of knowledge attitude and practices.
Trop Med Int Health
; 21(5): 642-53, 2016 May.
Article
en En
| MEDLINE
| ID: mdl-27028397
ABSTRACT
OBJECTIVE:
To investigate the epidemiology of sickle cell disease (SCD) and determinants of knowledge, attitudes and practices (KAP) towards SCD in western Kordofan State, Sudan.METHODS:
A community-based, descriptive, cross-sectional study was conducted in three towns. Three hundred and seventy-two households were polled, and blood samples for haemoglobin phenotyping were collected from 1116 individuals. Sociodemographic, socio-economic and KAP data were collected using investigator-administered questionnaires. Descriptive, frequency distribution and multiple regression analyses were performed.RESULTS:
About 50.9% of the study population were Misseriya tribes. Consanguineous marriages were reported by 67.5% of the households. The highest percentage of homozygous SCD was 2.8% among children under 5 years of age. About 24.9% were carriers of HbS allele (HbAS). HbS allele frequency was highest in children aged 5-11 years (18.3%, CI 13.7-22.9%) and lowest in males >15 years old (12.0%, CI 6.1-17.9%). The average HbS frequency across all age groups was 14.5% (95% CI 12.2-16.8%). The most frequent ß-globin gene cluster haplotype was the Cameroon (30.8%), followed by the Benin (21.8%), the Senegal (12.8%) and the Bantu (2.2%) haplotypes. About 17.0% of all-cause child deaths were due to SCD. The estimated change in log odds of having the SS genotype per year increase in age was (-) 0.0058 (95% CI -0.0359, 0.0242). This represents a non-statistically significant 2.9% increase in 5-year mortality for individuals with the SS genotype relative to those with AS and AA genotypes. About 46.9% of the households had poor knowledge, 26.1% had satisfactory knowledge, and 26.9% had good knowledge about sickle cell disease. Mothers' and fathers' educational levels were significant predictors of good knowledge about SCD (P < 0.05). About 48.0% had a satisfactory attitude towards sickle cell disease while 30.7% had poor attitude and only 21.3 showed good attitudes. Poor knowledge about SCD and low socio-economic status were the strongest positive predictors of poor attitude and practices towards SCD (P < 0.01).CONCLUSIONS:
Sickle cell disease is a major health problem in West Kordofan, Sudan. Knowledge, attitude and practices towards the disease are not satisfactory. The development of public health programs is highly recommended to control and manage SCD in western parts of Sudan.Palabras clave
Anemia falciforme; Sudán Occidental; actitudes y prácticas (CAP); attitudes et pratiques (CAP); connaissances; conocimientos; drépanocytose; epidemiología genética; genetic epidemiology; haplotipos; haplotypes; knowledge attitude and practices; ouest du Soudan; sickle cell disease; western Sudan; épidémiologie génétique
Texto completo:
1
Colección:
01-internacional
Banco de datos:
MEDLINE
Asunto principal:
Conocimientos, Actitudes y Práctica en Salud
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Epidemiología Molecular
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Anemia de Células Falciformes
Tipo de estudio:
Observational_studies
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Prevalence_studies
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Prognostic_studies
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Qualitative_research
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Risk_factors_studies
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Screening_studies
Límite:
Adolescent
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Adult
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Child
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Child, preschool
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Female
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Humans
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Infant
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Male
País/Región como asunto:
Africa
Idioma:
En
Revista:
Trop Med Int Health
Asunto de la revista:
MEDICINA TROPICAL
/
SAUDE PUBLICA
Año:
2016
Tipo del documento:
Article
País de afiliación:
Estados Unidos