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Table 2 Comparison of observed and expected number of critical events for handwashing during structured observation (SO) among households during a 90-minute observation, rural Bangladesh, 2007

From: Impact of duration of structured observations on measurement of handwashing behavior at critical times

Variables Observed in long observation households (unadjusted) Expected in short observation households (adjusted) Observed in short observation households (adjusted) P-value
  (n = 49)   (n = 50)  
Mean number of events(all types) 6.7 (SE 0.37) 1.91 2.0 (SE 0.62) 0.78
Mean number of food preparation events 1.0 (SE 0.10) 0.14 0.25 (SE 0.23) 0.38
Mean number of food serving events 1.3 (SE 0.15) 0.27 0.5 (SE 0.28) 0.12
Mean number of eating events 1.3 (SE 0.13) 0.45 0.25 (SE 0.18) 0.04
Mean number of child feeding events 2.3 (SE 0.20) 0.64 0.75 (SE 0.40) 0.61
Mean number of defecation events 0.06 (SE 0.03) 0.03 0.00 (SE 0.03) 0.06
Mean number of events of cleaning a child who defecated 0.61 (SE 0.12) 0.22 0.25 (SD 0.10) 0.52