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ObjectivesAggregate data on childhood immunisation from urban settings may not reflect the coverage among the urban poor. This study provides information on complete childhood immunisation coverage among the urban poor, and explores its household and neighbourhood-level determinants.SettingUrban poor community in the Southeast district of Delhi, India.ParticipantsWe randomly sampled 1849 children aged 1-3.5 years from 13 451 households in 39 clusters (cluster defined as area covered by a community health worker) in 2 large urban poor settlements. Of these, 1343 completed the survey. We collected information regarding childhood immunisation (BCG, oral polio vaccine, diphtheria-pertussis-tetanus vaccine, hepatitis B and measles) from vaccination cards or mothers' recall. We used random intercept logistic regression to explore the sociodemographic determinants of complete immunisation.ResultsComplete immunisation coverage was 46.7% and 7.5% were not immunised. The odds of complete vaccination (OR, 95% CI) were lower in female children (0.70 (0.55 to 0.89)) and Muslim households (0.65 (0.45 to 0.94)). The odds of complete vaccination were higher if the mother was literate (1.6 (1.15 to 2.16)), if the child was born within the city (2.7 (1.97 to 3.65)), in a health facility ( 1.5 (1.19 to 2.02)), belonged to the highest wealth quintile (compared with the poorest; 2.46 (1.5 to 4.02)) or possessed a birth certificate (1.40 (1.03 to 1.91)). Cluster effect due to unmeasured neighbourhood factors expressed as median OR was 1.32.ConclusionsImmunisation coverage in this urban poor area was much lower than that of regional surveys reporting overall urban data. Socioeconomic status of the household, female illiteracy, health awareness and gender inequality were important determinants of coverage in this population. Hence, in addition to enhancing the infrastructure for providing mother and child services, efforts are also needed to address these issues in order to improve immunisation coverage in deprived urban communities.Trial registration numberCTRI/2011/091/000095.

Original publication

DOI

10.1136/bmjopen-2016-013015

Type

Journal

BMJ open

Publication Date

26/08/2016

Volume

6

Addresses

Indian Institute of Public Health, Delhi, Public Health Foundation of India, Gurgaon, Haryana, India.

Keywords

Humans, Cluster Analysis, Logistic Models, Cross-Sectional Studies, Family Characteristics, Mothers, Sex Factors, Poverty, Islam, Child, Preschool, Infant, Urban Population, Educational Status, Immunization Programs, India, Female, Male, Surveys and Questionnaires, Vaccination Coverage