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Table 1 Multiple linear regression analyses predicting annual direct household costs

From: The excess costs of childhood food allergy on Canadian families: a cross-sectional study

  Cases (n = 35) Controls (n = 35) Difference 95% CI of the Difference p-value
Total annual direct costs $12,455.69 $10,078.93 $2376.76 $328.90, $4424.62 0.02
Food costs $12,344.20 $10,063.76 $2280.44 $230.10, $4330.78 0.03
Transportation costs $64.86 $19.61 $45.25 $17.56, $72.94  < 0.01
Medication costs $46.64 $ − 4.43 $51.07 $14.00, $88.14 0.01
  1. Annual household income, number of household members, and allergic comorbidities status (i.e., presence vs. absence) are included as covariates in each of the models
  2. 95% CI 95th percent confidence interval