Volume 11, Number 10—October 2005
Research
Antibacterial Cleaning Products and Drug Resistance
Allison E. Aiello*
, Bonnie Marshall†, Stuart B. Levy†, Phyllis Della-Latta‡, Susan X. Lin‡, and Elaine Larson‡
, Bonnie Marshall†, Stuart B. Levy†, Phyllis Della-Latta‡, Susan X. Lin‡, and Elaine Larson‡
Table 3
Logistic regression models for examining factors associated with carriage of organisms with antimicrobial resistance or increased triclosan MICs*
| Outcome 1 (>1 organism with resistance to antimicrobial agents on hand) | OR | 95% CI , p value | aOR† | 95% CI, p value |
|---|---|---|---|---|
| Baseline characteristics (N = 164) | ||||
| Antibacterial product use in household‡ | 1.16 | 0.62–2.17, 0.63 | 0.97 | 0.50–1.89, 0.91 |
| Observed no. of seconds for handwash by primary caregiver | 1.05 | 1.01–1.09, 0.01 | 1.05 | 1.01–1.09, 0.01 |
| Above average log total CFU on hands of primary caregiver after handwash | 2.06 | 1.08–3.93, 0.03 | 1.81 | 0.93–3.52, 0.08 |
| Reported no. of hands washes per day for primary caregiver | 1.01 | 0.97–1.04, 0.74 | – | – |
| >1 household members with job in healthcare or daycare | 1.28 | 0.68–2.40, 0.44 | – | – |
| Year-end characteristics (N = 201) | ||||
| Antibacterial product use in household | 1.44 | 0.82–2.52, 0.20 | 1.33 | 0.74–2.41, 0.34 |
| Observed no. of seconds for handwash by primary caregiver | 1.00 | 0.97–1.04, 0.91 | – | – |
| Above average log total CFU on hands of primary caregiver after handwash | 0.62 | 0.35–1.98, 0.09 | – | – |
| Reported no. of hands washes per day for primary caregiver | 0.94 | 0.89–0.99, 0.04 | 0.95 | 0.89–1.01, 0.10 |
| >1 household members with job in healthcare or daycare |
0.51 |
0.29–0.90, 0.02 |
0.52 |
0.29–0.95, 0.04 |
| Outcome 2 (>1 organism with increased triclosan MIC on hand) |
OR |
95% CI , p value |
aOR† |
95% CI, p value |
| Baseline (N = 164) | ||||
| Antibacterial product use in household‡ | 1.59 | 0.84–3.01, 0.16 | – | – |
| Year-end (N = 201) | ||||
| Antibacterial product use in household | 1.73 | 0.97–3.09, 0.06 | – | – |
*OR, odds ratio; CI, confidence interval; aOR, adjusted odds ratio.
†OR adjusted for all variables that were significant in univariate analyses at p<0.05.
‡Prior reported antibacterial product use was controlled for but did not have any effect on the point estimate. Therefore, "group" point estimates reflect use of antibacterial product after randomization.
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