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Table 1 Univariate and multivariate analyses of the association of reported wheezing over the past 12 months with gender, age, intestinal helminthic infection, and diarrhoea in the studied population

From: The presence of serum anti-Ascaris lumbricoides IgE antibodies and of Trichuris trichiura infection are risk factors for wheezing and/or atopy in preschool-aged Brazilian children

  Wheezing
Variables N = 682 Yes (257) No (425) OR Adjusted OR
  n (%) n (%) N (%) [95% CI] [95% CI]
Gender      
Female 317 (46.5) 100 (31.5) 217 (68.5) 1# 1
Male 365 (53.5) 157 (43.0) 208 (57.0) 1.64 [1.20;2.24] 1.55 [1.12;2.14]
Age (months)      
19 to 50 326 (47.8) 120 (36.8) 206 (63.2) 1 1
0 to 18 356 (52.2) 137 (38.5) 219 (61.5) 1.07 [0.79;1.46] 1.07 [0.76;1.51]
Maternal literacy      
Illiterate/primary 159 (23.3) 71 (44.7) 88 (55.3) 1 1
Secondary (incomplete) 278 (40.8) 106 (38.1) 172 (61.9) 0.76 [0.51;1.13] 0.79 [0.53;1.20]
Secondary (complete) 245 (35.9) 80 (32.7) 165 (67.3) 0.61 [0.40;0.92] 0.72 [0.47;1.11]
Sewer system      
Yes 341 (50.0) 113 (33.1) 228 (66.9) 1 1
No 341 (50.0) 144 (42.2) 197 (57.8) 1.47 [108;2.01] 1.43 [1.04;1.97]
T. trichiura eggs      
No 602 (88.3) 208 (34.6) 394 (65.4) 1 1
Yes 80 (11.7) 49 (61.2) 31 (38.8) 2.99 [1.85;4.84] 2.60 [1.54;4.38]
A. lumbricoides eggs      
No 544 (79.8) 196 (36.0) 348 (64.0) 1 1
Yes 138 (20.2) 61 (44.2) 77 (55.8) 1.41 [0.93;2.05] 1.09 [0.71;1.66]
Days with diarrhoea      
None 157 (23.0) 50 (31.8) 107 (68.2) 1 1
<6 days 273 (40.0) 100 (36.6) 173 (63.4) 1.24 [0.82;1.88] 1.21[0.79;1.87]
≥6 days 252 (37.0) 107 (42.5) 145 (57.5) 1.58 [1.04;2.40] 1.40 [0.89;2.21]
  1. # Class reference of the variable. Bold numbers are statistically significant at 0.05.