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Factors associated with low coverage of the second dose of Measles Containing Vaccine among children aged 19–59 months, Alego-Usonga Sub-County, Kenya, 2020

Joseph Obiero Ogutu
Gladys Mutethya Francis
Denver Mariga Kamau
Maurice Omondi Owiny
Elvis Omondi Oyugi
Grace Kaverenge Ettyang


Introduction: The coverage of the second dose of the measles-containing vaccine (MCV2) in Kenya has remained low since its introduction in 2013. We assessed the MCV2 vaccination coverage and identified the factors associated with low MCV2 coverage in Alego-Usonga Sub-County, Siaya County, Kenya.

Methods: We conducted a community-based cross-sectional study between July and August 2020 in the Alego-Usonga Sub-County targeting parents/guardians of children aged 19 – 59 months. We used the mother-child (MCH) booklet to identify the eligible children and interviewed their parents/guardians at the household level using structured questionnaires. We calculated mean, median, and standard deviations for continuous variables and frequencies and proportions for categorical variables. We calculated prevalence odds ratios (POR) at the bivariate level and adjusted prevalence odds ratios (APOR) at the multivariable level together with their corresponding 95% confidence intervals to identify factors associated with low MCV2 coverage. We considered those factors which had p<0.05 at the multivariable level as independently associated with low MCV2 coverage.

Results: A total of 417 records of the 420 children who were recruited into the study were included in the analysis. Of these, 51.1%(213/417) children had received MCV2 vaccination. The MCV2 vaccination coverage was higher in Urban 58.0%(/(141/243)) compared to rural 41.4% (72/174) populations. Factors that were independently associated with low MCV2 vaccination for the urban area included; a child's birth order (APOR 2.6; 95% CI=1.33–4.89) and caregiver education (APOR 1.9; 95% CI=1.10–3.31). For the rural; child's birth order (APOR 2.8; 95% CI=1.21–6.32); number of ANC visits (APOR 2.30; 95% C.I =1.17–4.52); caregiver not accompanied by the partner to the clinic (APOR=2.6; 95.5% CI=1.26–5.32); and caregiver not preferring nearby health facility (APOR 2.6; 95% CI=1.32–5.22) remained significantly associated with low MCV2 vaccination. Major reasons for non-vaccination were lack of caregiver awareness of MCV2 and vaccine stock-outs.

Conclusion: The MCV2 coverage remained sub-optimal below the WHO-recommended ≥ 95%. Caregivers' lack of information on MCV2 and vaccine stock-outs were the main reason for the low coverage. Efforts should focus on raising public awareness of MCV2 vaccination.

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eISSN: 2664-2824