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Facility-Based Delivery during the Ebola Virus Disease Epidemic in Rural Liberia: Analysis from a Cross-Sectional, Population-Based Household Survey

Author

Listed:
  • John Ly
  • Vidiya Sathananthan
  • Thomas Griffiths
  • Zahir Kanjee
  • Avi Kenny
  • Nicholas Gordon
  • Gaurab Basu
  • Dale Battistoli
  • Lorenzo Dorr
  • Breeanna Lorenzen
  • Dana R Thomson
  • Ami Waters
  • Uriah G Moore
  • Ruth Roberts
  • Wilmot L Smith
  • Mark J Siedner
  • John D Kraemer

Abstract

Background: The Ebola virus disease (EVD) epidemic has threatened access to basic health services through facility closures, resource diversion, and decreased demand due to community fear and distrust. While modeling studies have attempted to estimate the impact of these disruptions, no studies have yet utilized population-based survey data. Methods and Findings: We conducted a two-stage, cluster-sample household survey in Rivercess County, Liberia, in March–April 2015, which included a maternal and reproductive health module. We constructed a retrospective cohort of births beginning 4 y before the first day of survey administration (beginning March 24, 2011). We then fit logistic regression models to estimate associations between our primary outcome, facility-based delivery (FBD), and time period, defined as the pre-EVD period (March 24, 2011–June 14, 2014) or EVD period (June 15, 2014–April 13, 2015). We fit both univariable and multivariable models, adjusted for known predictors of facility delivery, accounting for clustering using linearized standard errors. To strengthen causal inference, we also conducted stratified analyses to assess changes in FBD by whether respondents believed that health facility attendance was an EVD risk factor. A total of 1,298 women from 941 households completed the survey. Median age at the time of survey was 29 y, and over 80% had a primary education or less. There were 686 births reported in the pre-EVD period and 212 in the EVD period. The unadjusted odds ratio of facility-based delivery in the EVD period was 0.66 (95% confidence interval [CI] 0.48–0.90, p-value = 0.010). Adjustment for potential confounders did not change the observed association, either in the principal model (adjusted odds ratio [AOR] = 0.70, 95%CI 0.50–0.98, p = 0.037) or a fully adjusted model (AOR = 0.69, 95%CI 0.50–0.97, p = 0.033). The association was robust in sensitivity analyses. The reduction in FBD during the EVD period was observed among those reporting a belief that health facilities are or may be a source of Ebola transmission (AOR = 0.59, 95%CI 0.36–0.97, p = 0.038), but not those without such a belief (AOR = 0.90, 95%CI 0.59–1.37, p = 0.612). Limitations include the possibility of FBD secular trends coincident with the EVD period, recall errors, and social desirability bias. Conclusions: We detected a 30% decreased odds of FBD after the start of EVD in a rural Liberian county with relatively few cases. Because health facilities never closed in Rivercess County, this estimate may under-approximate the effect seen in the most heavily affected areas. These are the first population-based survey data to show collateral disruptions to facility-based delivery caused by the West African EVD epidemic, and they reinforce the need to consider the full spectrum of implications caused by public health emergencies. John Kraemer and colleagues estimate changes in facility-based delivery during the Ebola virus disease epidemic in rural Liberia using cross-sectional data from a population-based household survey.Why was this study done?: What did the researchers do and find?: What do these findings mean?:

Suggested Citation

  • John Ly & Vidiya Sathananthan & Thomas Griffiths & Zahir Kanjee & Avi Kenny & Nicholas Gordon & Gaurab Basu & Dale Battistoli & Lorenzo Dorr & Breeanna Lorenzen & Dana R Thomson & Ami Waters & Uriah G, 2016. "Facility-Based Delivery during the Ebola Virus Disease Epidemic in Rural Liberia: Analysis from a Cross-Sectional, Population-Based Household Survey," PLOS Medicine, Public Library of Science, vol. 13(8), pages 1-17, August.
  • Handle: RePEc:plo:pmed00:1002096
    DOI: 10.1371/journal.pmed.1002096
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