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Table 3 Weekly change in odds of outcome success for the pre-training (weeks 1–8) and post-training (weeks 13–28) periods

From: The Clean pilot study: evaluation of an environmental hygiene intervention bundle in three Tanzanian hospitals

  n Crude odds ratio (CI)§ p value N Adjusted odds ratio (CI)*§ p value
Microbiological cleanliness (ACC < 2.5 cfu/cm2)
 Pre-intervention 361 1.22 (1.04–1.44) 0.014 355 1.33 (1.11–1.60) 0.002
 Post-intervention 668 1.08 (1.03–1.12)  < 0.001 652 1.08 (1.03–1.13)  < 0.001
Absence of S. aureus
 Pre-intervention 367 1.03 (0.85–1.26) 0.731 361 1.12 (0.87–1.45) 0.379
 Post-intervention 673 1.04 (0.96–1.13) 0.350 657 1.02 (0.93–1.11) 0.734
Cleaning action (gel dots)
 Pre-intervention 647 1.23 (1.13–1.33)  < 0.001 634 1.25 (1.15–1.36)  < 0.001
 Post-intervention 1252 0.95 (0.92–0.98) 0.002 1190 0.97 (0.94–1.01) 0.098
  1. *Controlled for hospital, ward type, and bed occupancy
  2. §Accounts for site level clustering