Results
A total of 4597 subjects was included in the survey comprising 1935 men (42.1%) and 2662 women (57.9%).
Mean age of subjects was 37.2 ± 16.5 years.
Prevalence of diabetes and impaired fasting glycaemia
Hyperglycaemia corresponding to diabetes mellitus was detected in 414 subjects giving a prevalence rate of
9.0%. In these subjects presenting diabetes only 53 were previously known diabetic. The proportion of undiagnosed
diabetes in Borgou department was then 87.1%. The prevalence of impaired fasting glycemia was 12.4%
(569 out of 4597 subjects).
As it appears in Table 1, prevalence of diabetes grows significantly with subjects’ age.
The prevalence observed in the different districts investigated is reported in Table 2. It ranges from 0.6% to 15.3% and the districts of Nikki, Sinende and Tchaourou show the highest prevalence rates.
Six ethnic groups were represented in this survey. The prevalence of diabetes in the different ethnic groups is
shown in Table 3.
The highest prevalence rate of diabetes was observed in the Bariba ethnic group.
The association of the prevalence of diabetes with different factors is presented in Table 4 with:
Gender: Men and women
Matrimonial situation regroups: married, widowed, divorced or separated, unmarried
School instruction regroups: none, alphabetized, primary school, secondary school 1 and 2, and university
Tobacco consumption (yes or no); Obesity (yes or no); High blood pressure (yes or no)There was no association with gender or with tobacco consumption. According to the level of instruction, investigated
subjects were classified as having none instruction, primary school level, secondary level or university
level. In the Borgou department the prevalence of diabetes was not associated with instruction level of subjects
but a very significant association was found with matrimonial status.