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Volume 11, Number 8—August 2005
Research

Sheep Feed and Scrapie, France

Sandrine Philippe*, Christian Ducrot†, Pascal Roy‡, Laurent Remontet‡, Nathalie Jarrige*, and Didier Calavas*Comments to Author 
Author affiliations: *Agence Française de Sécurité Sanitaire des Aliments, Lyon, France; †Institut National de la Recherche Agronomique, Theix, France; ‡Centre Hospitalo-Universitaire Lyon-Sud, Lyon, France

Main Article

Table 3

Multivariate analysis of risk factors

Modalities* No. cases (%) No. controls (%) Multivariate Clog-log 1
Multivariate Clog-log 2
OR† 95% CI OR 95% CI
Direct contacts between flocks and indirect environmental contacts
Purchase of ewes No 39 (41) 123 (35) 1 1
Yes 1.3 0.9–2.0 1.3 0.8–2.0
Feeding
Purchase of raw materials (hay excluded) No 28 (30) 137 (39) 1 1
Yes 0.6 0.4–1.0 0.7 0.4–1.0
Purchase of milk replacers No 28 (30) 63 (18) 1
Yes 1.9 1.2–3.0 NI
Purchase of proprietary concentrates No 87 (93) 271 (77) 1
Yes 1.5 0.7–3.4 NI
Purchase of milk replacers from factory 1 No 18 (19) 21 (6) 1
Yes NI 1.9 1.0–3.5
Purchase of proprietary concentrates from factory 1 No 46 (49) 79 (23) 1
Yes NI 2.0 1.2–3.3
Purchase of proprietary concentrates from factory 2 No 9 (10) 58 (17) 1
Yes NI 0.7 0.3–1.5
Other indirect contacts
Cesarean section performed by veterinarian No 66 (70) 187 (53) 1 1
Yes 1.6 0.9–2.8 1.4 0.8–2.5

*Reference modality = No.
†OR, odds ratio; CI, confidence interval; NI, not in model.

Main Article

Page created: April 23, 2012
Page updated: April 23, 2012
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