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Volume 28, Number 5—May 2022
Research

Effects of Tick-Control Interventions on Tick Abundance, Human Encounters with Ticks, and Incidence of Tickborne Diseases in Residential Neighborhoods, New York, USA

Felicia Keesing1Comments to Author , Stacy Mowry, William Bremer, Shannon Duerr, Andrew S. Evans, Ilya R. Fischhoff, Alison F. Hinckley, Sarah A. Hook, Fiona Keating, Jennifer Pendleton, Ashley Pfister, Marissa Teator, and Richard S. Ostfeld1
Author affiliations: Bard College, Annandale, New York, USA (F. Keesing); Cary Institute of Ecosystem Studies, Millbrook, New York, USA (S. Mowry, W. Bremer, S. Duerr, I.R. Fischhoff, F. Keating, J. Pendleton, A. Pfister, M. Teator, R.S. Ostfeld); Dutchess County Department of Behavioral and Community Health, Poughkeepsie, New York, USA (A.S. Evans Jr.); Centers for Disease Control and Prevention, Fort Collins, Colorado, USA (A.F. Hinckley, S.A. Hook)

Main Article

Table 2

Cumulative diagnosed cases of tickborne diseases, averaged across the 6 residential neighborhoods in each treatment group of tick-control interventions, New York, USA*

Cases and treatment groups Per capita cases (SE) Cases/neighborhood (SE) p value
Cases of diagnosed tickborne diseases in humans reported by participants, n = 130
Control
 0.05 (0.01)
 5.17 (2.11)
Active TCS boxes
 0.05 (0.01)
 4.67 (1.91)
 NS
Active Met52
 0.06 (0.02)
 6.00 (2.45)
 NS
Active TCS boxes and active Met52
 0.06 (0.01)
 5.83 (2.38)
 NS
Cases of diagnosed tickborne diseases in humans confirmed by healthcare providers, n = 35†
Control
 0.009 (0.00)
 1.00 (0.41)
Active TCS boxes
 0.012 (0.00)
 1.17 (0.48)
 NS
Active Met52
 0.019 (0.01)
 2.17 (0.88)
 NS
Active TCS boxes and active Met52
 0.016 (0.01)
 1.50 (0.61)
 NS
Cases of diagnosed tick-borne diseases in outdoor pets reported by participants, n = 77
Control
 0.17 (0.03)
 4.67 (1.91)
Active TCS boxes
 0.08 (0.02)
 2.50 (1.02)
 ‡
Active Met52
 0.08 (0.03)
 2.67 (1.09)
 ‡
Active TCS boxes and active Met52 0.11 (0.04) 3.00 (1.22) NS

*For detailed statistical results, see Appendix Tables 16, 18, and 19 (https://wwwnc.cdc.gov/EID/article/28/5/21-1146-App1.pdf). Data represent the mean of the cumulative value (+SEM) over the 4 years of treatments, averaged across neighborhoods in a treatment group. NS, not significant. †Cases in humans confirmed by healthcare providers were less common than cases reported by participants because some participants did not grant permission to the investigators to pursue confirmation from healthcare providers, some healthcare providers did not respond to repeated requests for information, and some diagnoses from healthcare providers did not confirm patient reports. ‡Statistically significant differences.

Main Article

1These authors contributed equally to this article and were co-principal investigators.

Page created: March 07, 2022
Page updated: April 19, 2022
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