Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 9, Number 1—January 2003
Research

Highly Endemic, Waterborne Toxoplasmosis in North Rio de Janeiro State, Brazil

Lílian Maria Garcia Bahia-Oliveira*, Jeffrey L. Jones†Comments to Author , Juliana Azevedo-Silva*, Cristiane C.F. Alves*, Fernando Oréfice‡, and David G. Addiss†
Author affiliations: *Universidade Estadual do Norte Fluminense, Campos dos Goytacazes, Rio de Janeiro, Brazil; †Centers for Disease Control and Prevention, Atlanta , Georgia, USA; ‡Escola de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil

Main Article

Table 3

Risk for T. gondii seropositivity shown as odds ratios estimated with backward elimination logistic regression for each of the three socioeconomic populationsa



Wald confidence limits

Variable Odds ratio Lower Upper p value
Lower socioeconomic group
Age (yrs)
0–9 Ref.
15–19 4.31 1.15 16.13 0.300
20–29 9.78 2.10 45.46 0.036
30–39 10.02 2.13 47.20 0.036
40–49 5.83 1.60 21.28 0.076
50+ 11.95 2.47 57.86 0.021
Location
Urban Ref.
Rural 0.27 0.10 0.69 0.007b
Other factors (ref. is absence of factor)
Unfiltered water 3.04 1.34 6.93 0.008b
Undercooked beef 2.89 1.05 7.96 0.040
Ate in restaurants 0.40 0.19 0.83 0.014b
Living in region 1 0.31 0.12 0.78 0.013b
Middle socioeconomic group




Age (yrs)




0–9 Ref.
15–19 1.56 1.07 2.26 0.019
20–29 2.06 1.24 3.40 0.005b
30-39 4.70 2.10 10.50 <0.001c
40-49 4.62 2.03 10.50 <0.001b
50+ 4.62 1.81 11.79 0.001b
Other factors (ref. is absence of factor)
Female 0.74 0.54 1.01 0.061
Unfiltered water 1.67 1.22 2.30 0.002b
Lake river or stream water 1.80 1.17 2.76 0.008b
Kibbeh 0.64 0.44 0.95 0.026
Ice cream (in pop-up bags) 1.38 1.00 1.92 0.051
Attend home shows 0.72 0.52 0.98 0.037
Living in region 1 0.74 0.54 1.00 0.052
Lower socioeconomic group




Age (yrs)




0–9 Ref.
40–49 18.24 4.36 76.30 <0.001b
50+ 12.42 1.93 79.89 0.008b
Other factors (ref. is absence of factor)
Female 0.50 0.26 0.99 0.046
Living in region 1 0.05 0.01 0.49 0.011b

aAll variables remaining in the model are shown.

bStatistically significant (p<0.01, rounded) factors.

Main Article

Page created: December 07, 2010
Page updated: December 07, 2010
Page reviewed: December 07, 2010
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external