Volume 23, Number 7—July 2017
Research
Case−Control Study of Risk Factors for Meningococcal Disease in Chile
Andrea Olea
, Isabel Matute, Claudia González, Iris Delgado, Lucy Poffald, Elena Pedroni, Tania Alfaro, Macarena Hirmas, Manuel Nájera, Ana Gormaz, Darío López, Sergio Loayza, Catterina Ferreccio, Doris Gallegos, Rodrigo Fuentes, Pablo Vial, and Ximena Aguilera
, Isabel Matute, Claudia González, Iris Delgado, Lucy Poffald, Elena Pedroni, Tania Alfaro, Macarena Hirmas, Manuel Nájera, Ana Gormaz, Darío López, Sergio Loayza, Catterina Ferreccio, Doris Gallegos, Rodrigo Fuentes, Pablo Vial, and Ximena Aguilera
Table 6
Multivariate model of risk factors for development of meningococcal disease caused by Neisseria meningitidis serogroup W, Santiago (metropolitan region) of Chile, January 2012−March 2013*
| Risk factor |
β |
SE |
p value |
OR (95% CI) |
| Nonrespiratory chronic disease | 1.76 | 0.37 | <0.001 | 5.78 (2.78–12.04) |
| Age <1 y | 1.44 | 0.42 | 0.001 | 4.23 (1.86–9.60) |
| Hospitalization for asthma or acute lower RTI | 1.04 | 0.38 | 0.006 | 2.83 (1.35–5.95) |
| Overcrowding | 0.84 | 0.40 | 0.034 | 2.32 (1.07–5.06) |
| Constant | −4.38 | 1.04 | <0.001 | 0.01 |
*OR, odds ratio; RTI, respiratory tract infection; R2 = 20%.
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