Table 4

Univariate analysis of predictors for Ascaris-specific IgE positivity (n = 271)
Ascaris IgE positive (n = 65)
OR 95% CI p-value
Age 1 1.20 1.11 – 1.29 <0.001
TB contact score1 0.88 0.80 – 0.98 0.02
Male gender 1.22 0.69 – 1.14 0.49
Ethnicity African 0.47 0.21 – 1.06 0.07
Mixed ancestry 2.12 0.94 – 4.76 0.07
BCG history or scar present 0.63 0.32 – 1.25 0.18
Previous TB treatment 1.95 0.45 – 8.37 0.37
History of recent worm 2.08 0.82 – 5.28 0.12
History of recent deworming (< 3 months) 1.27 0.10 – 16.81 0.86
Z-scores Weight for age 0.81 0.63 – 1.05 0.11
Height for age 0.97 0.80 – 1.17 0.76
Weight for height 0.81 0.60 – 1.10 0.18
Socio-economic indicators and household demographics
Presence of a radio in the household 1.30 0.62 – 2.69 0.49
Presence of a refrigerator in the household 1.33 0.62 – 2.83 0.47
Relying on the sale of household assets 0.25 0.03 – 1.98 0.19
Access to flush toilet facility in the house 0.90 0.50 – 1.63 0.73
Piped running water in the house 1.36 0.62 – 3.00 0.44
Living in a brick house 1.23 0.63 – 2.40 0.54
Household composition
Number of adults in household 0.01 0.90 – 1.14 0.83
Number of children in household 1.08 0.94 – 1.25 0.28
Median ratio of adults:children 0.98 0.74 – 1.31 0.91

BCG, bacillus Calmette-Guérin; TB, tuberculosis.

van Soelen et al.

van Soelen et al. BMC Infectious Diseases 2012 12:211   doi:10.1186/1471-2334-12-211

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