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Lay health workers in primary and community health care for maternal and child health and the management of infectious diseases

Cochrane database of systematic reviews, 2010-03, Vol.2010 (3), p.CD004015-CD004015 [Peer Reviewed Journal]

Copyright © 2010 The Cochrane Collaboration. Published by John Wiley & Sons, Ltd. ;ISSN: 1469-493X ;EISSN: 1469-493X ;EISSN: 1465-1858 ;DOI: 10.1002/14651858.CD004015.pub3 ;PMID: 20238326

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  • Title:
    Lay health workers in primary and community health care for maternal and child health and the management of infectious diseases
  • Author: Lewin, Simon ; Munabi-Babigumira, Susan ; Glenton, Claire ; Daniels, Karen ; Bosch-Capblanch, Xavier ; van Wyk, Brian E ; Odgaard-Jensen, Jan ; Johansen, Marit ; Aja, Godwin N ; Zwarenstein, Merrick ; Scheel, Inger B
  • Subjects: Breast Feeding ; Child Abuse ; Child Abuse - prevention & control ; Child health ; Child Health Services ; Child Health Services - standards ; Child Mortality ; Child, Preschool ; Community Health Workers ; Community Health Workers - standards ; Delivery of healthcare services ; Effective practice & health systems ; Health Promotion ; Home Health Aides ; Humans ; Immunization ; Infant, Low Birth Weight ; Infant, Newborn ; Maternal Health Services ; Maternal Health Services - standards ; Medical and Health Sciences ; Medicin och hälsovetenskap ; Medicine General & Introductory Medical Sciences ; Parent-Child Relations ; Randomized Controlled Trials as Topic ; Tuberculosis, Pulmonary ; Tuberculosis, Pulmonary - prevention & control ; Who provides care
  • Is Part Of: Cochrane database of systematic reviews, 2010-03, Vol.2010 (3), p.CD004015-CD004015
  • Description: BACKGROUND: Lay health workers (LHWs) are widely used to provide care for a broad range of health issues. Little is known, however, about the effectiveness of LHW interventions. OBJECTIVES: To assess the effects of LHW interventions in primary and community health care on maternal and child health and the management of infectious diseases. SEARCH STRATEGY: For the current version of this review we searched The Cochrane Central Register of Controlled Trials (including citations uploaded from the EPOC and the CCRG registers) (The Cochrane Library 2009, Issue 1 Online) (searched 18 February 2009); MEDLINE, Ovid (1950 to February Week 1 2009) (searched 17 February 2009); MEDLINE In-Process & Other Non-Indexed Citations, Ovid (February 13 2009) (searched 17 February 2009); EMBASE, Ovid (1980 to 2009 Week 05) (searched 18 February 2009); AMED, Ovid (1985 to February 2009) (searched 19 February 2009); British Nursing Index and Archive, Ovid (1985 to February 2009) (searched 17 February 2009); CINAHL, Ebsco 1981 to present (searched 07 February 2010); POPLINE (searched 25 February 2009); WHOLIS (searched 16 April 2009); Science Citation Index and Social Sciences Citation Index (ISI Web of Science) (1975 to present) (searched 10 August 2006 and 10 February 2010). We also searched the reference lists of all included papers and relevant reviews, and contacted study authors and researchers in the field for additional papers. SELECTION CRITERIA: Randomised controlled trials of any intervention delivered by LHWs (paid or voluntary) in primary or community health care and intended to improve maternal or child health or the management of infectious diseases. A 'lay health worker' was defined as any health worker carrying out functions related to healthcare delivery, trained in some way in the context of the intervention, and having no formal professional or paraprofessional certificate or tertiary education degree. There were no restrictions on care recipients. DATA COLLECTION AND ANALYSIS: Two review authors independently extracted data using a standard form and assessed risk of bias. Studies that compared broadly similar types of interventions were grouped together. Where feasible, the study results were combined and an overall estimate of effect obtained. MAIN RESULTS: Eighty-two studies met the inclusion criteria. These showed considerable diversity in the targeted health issue and the aims, content, and outcomes of interventions. The majority were conducted in high income countries (n = 55) but many of these focused on low income and minority populations. The diversity of included studies limited meta-analysis to outcomes for four study groups. These analyses found evidence of moderate quality of the effectiveness of LHWs in promoting immunisation childhood uptake (RR 1.22, 95% CI 1.10 to 1.37; P = 0.0004); promoting initiation of breastfeeding (RR = 1.36, 95% CI 1.14 to 1.61; P < 0.00001), any breastfeeding (RR 1.24, 95% CI 1.10 to 1.39; P = 0.0004), and exclusive breastfeeding (RR 2.78, 95% CI 1.74 to 4.44; P <0.0001); and improving pulmonary TB cure rates (RR 1.22 (95% CI 1.13 to 1.31) P <0.0001), when compared to usual care. There was moderate quality evidence that LHW support had little or no effect on TB preventive treatment completion (RR 1.00, 95% CI 0.92 to 1.09; P = 0.99). There was also low quality evidence that LHWs may reduce child morbidity (RR 0.86, 95% CI 0.75 to 0.99; P = 0.03) and child (RR 0.75, 95% CI 0.55 to 1.03; P = 0.07) and neonatal (RR 0.76, 95% CI 0.57 to 1.02; P = 0.07) mortality, and increase the likelihood of seeking care for childhood illness (RR 1.33, 95% CI 0.86 to 2.05; P = 0.20). For other health issues, the evidence is insufficient to draw conclusions regarding effectiveness, or to enable the identification of specific LHW training or intervention strategies likely to be most effective. AUTHORS' CONCLUSIONS: LHWs provide promising benefits in promoting immunisation uptake and breastfeeding, improving TB treatment outcomes, and reducing child morbidity and mortality when compared to usual care. For other health issues, evidence is insufficient to draw conclusions about the effects of LHWs.
  • Publisher: Chichester, UK: John Wiley & Sons, Ltd
  • Language: English
  • Identifier: ISSN: 1469-493X
    EISSN: 1469-493X
    EISSN: 1465-1858
    DOI: 10.1002/14651858.CD004015.pub3
    PMID: 20238326
  • Source: MEDLINE
    Alma/SFX Local Collection
    Cochrane Library (Open Aceess)
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