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Table 3

Multivariate regression models for Toxoplasma gondii seropositivity based on age group.

18–25 years N (positive) Seroprevalence in % (95% CI) OR (95% CI) p-value
Region
 Gafsa 100 (25) 25.00 (16.51–33.49)
 Monastir 190 (74) 38.95 (32.01–45.88) 2.50 (1.38–4.52) 0.002
Residence area
 Rural 28 (15) 53.57 (35.10–72.04)
 Urban 262 (84) 32.06 (26.41–37.71) 0.26 (0.11–0.63) 0.003
Hand washing before eating
 No 42 (14) 33.33 (19.08–47.59)
 Yes
248 (85)
34.27 (28.37–40.18)
1.07 (0.50–2.25)
0.857a
26–35 years
N (positive)
Seroprevalence in % (95% CI)
OR (95% CI)
p-value
Region
 Gafsa 132 (82) 62.12 (35.85–70.40)
 Monastir 108 (58) 53.70 (44.30–63.11) 0.65 (0.37–1.13) 0.132a
Residence area
 Rural 31 (25) 80.65 (66.74–94.55)
 Urban 209 (115) 55.02 (48.28–61.77) 0.36 (0.14–0.95) 0.039
Hand washing before eating
 No 75 (55) 73.33 (63.33–83.34)
 Yes
165 (85)
51.52 (43.89–59.14)
0.38 (0.20–0.70)
0.002
36–45 years
N (positive)
Seroprevalence in % (95% CI)
OR (95% CI)
p-value
Region
 Gafsa 108 (28) 25.93 (17.66–34.19)
 Monastir 67 (35) 52.24 (40.28–64.20) 3.03 (1.58–5.82) 0.001
Residence area
 Rural 34 (12) 35.29 (19.23–51.36)
 Urban 141 (51) 36.17 (28.24–44.10) 0.86 (0.37–2.01) 0.746a
Hand washing before eating
 No 64 (30) 46.88 (34.65–59.10)
 Yes
111 (33)
29.73 (21.23–38.23)
0.50 (0.26–0.97)
0.042
More than 45 years
N (positive)
Seroprevalence in % (95% CI)
OR (95% CI)
p-value
Region
 Gafsa 60 (28) 46.67 (34.04–59.29)
 Monastir 35 (25) 71.43 (56.46–86.40) 3.02 (1.20–7.54) 0.018
Residence area
 Rural 18 (8) 44.44 (21.49–67.40)
 Urban 77 (45) 58.44 (47.43–69.45) 1.83 (0.58–5.80) 0.299a
Hand washing before eating
 No 33 (23) 69.70 (54.02–85.38)
 Yes 62 (30) 48.39 (35.95–60.83) 0.38 (0.15–0.96) 0.041
a

Non-significant results.

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