Table 1.
Overview of included studies
| # | Study | Study design | Study population | WASH intervention component | Outcomes | Reduction in HCAI |
| a | Korbkitjaroen et al (2011)55 | Cluster randomised control trial | Adult patients (Mean age=60) |
Hand hygiene education+sterilisation of skin and equipment | Overall HCAIs | ✓ |
| Catheter associated-urinary tract infections | ✗ | |||||
| Ventilator-associated pneumonia | ✓ | |||||
| Catheter associated-bloodstream infections | ✓ | |||||
| b | Chen et al (2015)56 |
Cohort study | Neonates (preterm) Born <33 weeks gestational age (Mean age=2 days) |
Hand hygiene education | Invasive Candida infections | ✓ |
| c | Raza and Avan (2013) | Matched case-control study | Neonates (Ages not reported) |
Clean care delivery kits (soap, spirit for clean cord care, sterile equipment) | Neonatal tetanus infection | ✓ |
HCAI, healthcare-associated infection; WASH, water, sanitation and hygiene.