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Table 2 Multivariable analysis of factors associated with wheezing in the last 12 months

From: High prevalence of asthma symptoms in Warao Amerindian children in Venezuela is significantly associated with open-fire cooking: a cross-sectional observational study

  Univariate analysis Multivariable analysis
Characteristic n (%) % wheezing last 12 months OR (95% CI) p-value AOR (95% CI)
Age (years)     <0.01  
 2 - 3 154 (25) 36 1   1
 4 - 5 157 (25) 24 0.54 (0.33 - 0.88)   0.51 (0.30 - 0.86)
 6 - 7 150 (24) 26 0.62 (0.38 - 1.01)   0.68 (0.40 - 1.14)
 8 - 10 167 (26) 19 0.42 (0.25 - 0.70)   0.46 (0.27 - 0.78)
Sex     0.037  
 Male 316 (50) 30 1   1
 Female 312 (50) 22 0.68 (0.48 - 0.98)   0.74 (0.50 - 1.08)
Region     <0.01  
 Curiapo 273 (43) 35 1   1
 Manuel Renaud 92 (15) 21 0.50 (0.28 - 0.87)   0.67 (0.36 - 1.26)
 Padre Barral 186 (30) 20 0.49 (0.32 - 0.76)   0.61(0.37 - 1.01)
 Santos de Abalgas 79 (13) 17 0.38 (0.20 - 0.72)   0.52(0.25 - 1.07)
Cooking method     <0.01  
 Gas 123 (20) 15 1   1
 Gas and woodsmoke 203 (31) 20 1.38 (0.76 - 2.51)   1.44 (0.78 - 2.67)
 Woodsmoke 299 (48) 35 3.05 (1.77 - 5.24)   2.12 (1.18 - 3.84)
 Gasoline and woodsmoke 3 (1) 0 #   #
Wall status of house     <0.01  
 With walls 431 (69) 20 1   1
 Without walls 196 (31) 40 2.66 (1.84 - 3.85)   1.83 (1.20 - 2.79)
 Unknown 1 (0) 0 #   #
Number of cigarettes per day smoked in household     <0.01  
 0 318 (51) 28 1   1
 1 - 10 281 (45) 22 0.73 (0.50 - 1.06)   0.89 (0.57 -1.38)
 > 10 27 (4) 56 3.30 (1.48 - 7.32)   2.69 (1.11 - 6.48)
Relation of smoker to child     0.79  
 Father 206 (33)* 25 1   
 Brother 13 (3) 17 0.55 (0.12 - 2.58)   
 Grandparents 83 (13) 29 0.58 (0.67 - 2.02)   
 Mother 25 (4) 20 0.72 (0.26 - 1.95)   
 Others 65 (10) 29 0.77 (0.61 – 2.04)   
  1. * Percentage of the total of 630 children (in some cases more than one smoking relation per child was present).