Table 4

Waste carbon footprint

PreinterventionOne month after interventionFour months after interventionP value*P value†
TotalTotalTotal
Landfill waste, kgCO2e (%)76.6 (17.5)87.8 (29.3)82.6 (29.9)0.0590.781
RMW, kgCO2e (%)362.1 (82.5)212.1 (70.7)204 (70.1) 0.010 0.866
Total carbon footprint, kgCO2e 438.7299.9286.6 0.018 0.841
  • Bold means statistically significant.

  • kgCO2e, carbon dioxide equivalents— equivalence of 1 kg of landfill waste to 1kgCO2e and 1 kg of RMW to 3kgCO2e was applied.11–16

  • *P value for preintervention versus 1 month after intervention based on paired-samples t-test.

  • †P value for 1 month after intervention versus 4 months after intervention based on paired-samples t-test.

  • RMW, regulated medical waste.