TABLE 2.
Effect of wash time on the reduction of Shigella flexneri on the hands
| Test | Wash time (s) | Treatment (no. of subjects) | Log10 count/hand (95% CI)
|
|
|---|---|---|---|---|
| Baselinea | Single-wash reduction | |||
| 1 | 15 | Antimicrobial (8) | 6.16 (6.03-6.29) | 2.90 (2.40-3.40)b,c |
| Nonantimicrobial (8) | 6.13 (6.04-6.22) | 1.72 (1.56-1.88)b,d | ||
| 2 | 30 | Antimicrobial (10) | 5.99 (5.89-6.09) | 3.33 (3.04-3.62)b,c |
| Nonantimicrobial (10) | 5.97 (5.81-6.13) | 1.67 (1.43-1.89)b,d | ||
a
P > 0.5 (ANOVA; antimicrobial baseline versus nonantimicrobial baseline within each test).
b
P < 0.001 (ANOVA; single wash; antimicrobial versus nonantimicrobial soap within each test).
c
P = 0.086 (ANOVA; antimicrobial soap; test 1 versus test 2).
d
P > 0.6 (ANOVA; nonantimicrobial soap; test 1 versus test 2).