Abstract
Background/purposeDiabetes has been on the rise in Africa. This study aimed to estimate for the first time the national prevalence and its correlates of pre-diabetes and diabetes among individuals aged 18–69 years in Zambia.MethodsNationally representative cross-sectional data were analyzed from 3608 persons aged 18–69 years (median age: 31 years) that participated in the “2017 Zambia STEPS survey,” with complete blood glucose measurements.ResultsResults indicate that 8.8% of 18–69 year-olds had pre-diabetes and 7.2% diabetes.In adjusted multinomial logistic regression analysis, rural residence (adjusted relative risk ratio = ARRR: 2.01, 95% confidence interval = CI: 1.40–2.89), and raised total cholesterol (ARRR: 1.78, 95% CI: 1.08–2.94) were positively, and high physical activity (ARRR: 0.57, 95% CI: 0.39–0.83) was negatively associated with pre-diabetes. Being 50–69 years old (ARRR: 3.03, 95% CI: 2.03–4.52), having central obesity (ARRR: 1.90, 95% CI: 1.20–3.03), and hypertension (ARRR: 2.24, 95% CI: 1.61–3.13) were positively associated with diabetes.In addition, in the unadjusted analysis, female sex, lower education, alcohol family problems, and alcohol dependence were associated with pre-diabetes and/or diabetes. Only 8.4% of the study sample reported that they ever had their blood glucose examined by a health care professional. Having had blood glucose measured was higher among women (9.6%) than men (7.2%) were but not significant (p = 0.08). Residents in urban areas (11.8%) had significantly more often their blood glucose ever measured than residents in rural areas (5.4%) (p < 0.001). Among study participants with diabetes, 22.3% were aware, 9.4% were currently taking treatment, and 17.1% had controlled their diabetes (< 7.0 mmol/L).ConclusionAlmost one in ten participants had pre-diabetes and diabetes and several associated variables were detected which can aid in designing intervention strategies.
Highlights
This investigation aimed to estimate the prevalence and its correlates of pre-diabetes and diabetes among 18-69 year-old persons in Zambia
Almost one in ten participants had pre-diabetes and diabetes and several associated variables were detected which can aid in designing intervention strategies
More details on the survey methodology and the data can be accessed; the response rate was 74.3%.”21 “The study was approved by the University of Zambia (UNZA) Research Ethics Committee (REC), and written informed consent was obtained from participants.”[21]
Summary
This investigation aimed to estimate the prevalence and its correlates of pre-diabetes and diabetes among 18-69 year-old persons in Zambia. In a large community-based study among adults in 16 communities from 5 of 10 provinces in 2010 in Zambia, “the age-standardised prevalence of diabetes was 3.5%”.4. In the 2008 STEPS survey in Lusaka district, Zambia, among participants 25 years or older “the combined prevalence for impaired glucose level or diabetes was 4.0%,”5 and in an investigation of bank employees (N=121) in Ndola, Zambia, the prevalence of diabetes mellitus was 15%.6. In a large community-based study among adults in 16 communities from 5 of 10 provinces in 2010 in Zambia, “the age-standardised prevalence of diabetes was 3.5%”.4 In the 2008 STEPS survey in Lusaka district, Zambia, among participants 25 years or older “the combined prevalence for impaired glucose level or diabetes was 4.0%,”5 and in an investigation of bank employees (N=121) in Ndola, Zambia, the prevalence of diabetes mellitus was 15%.6 In other African countries, the national prevalence of diabetes was 5.8% in Burkina Faso,7 3.3% in Ethiopia,8 5.7% in Guinea,9 5.6% (pre-diabetes 4.2%) in Malawi[10] and 1.4% (pre-diabetes 2.0%) in Uganda.[11]
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