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

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]

^# Class reference of the variable. Bold numbers are statistically significant at 0.05.

Alcântara-Neves et al. Respiratory Research 2010 11:114   doi:10.1186/1465-9921-11-114