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Table 1 Influence of Product Application Volume on Antibacterial Efficacy and Dry-Times

From: How long is enough? Identification of product dry-time as a primary driver of alcohol-based hand rub efficacy

Application Volume

Mean Log10 Reduction Factor (SD)

Mean Dry-time

p-value

EN 1500 Testing (SD)

Uncontaminated Hands (SD)

Comparison of Dry-timesa

Overall Comparison of Dry-times at All Volumesb

1 mL

1.99 (0.66)

24 s (7 s)

20 s (5 s)

0.006

0.004

2 mL

2.96 (0.84)

50 s (14 s)

39 s (12 s)

0.005

3 mL

3.28 (0.96)

67 s (20 s)

59 s (15 s)

0.030

  1. N = 15. All data produced with the same participants
  2. aPaired t-test, one-tailed
  3. bRepeated measures linear model, one-tailed