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Table 2 Multiple linear regression analyses predicting annual indirect 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 indirect costs $10,038.76 $12,294.12 $ − 2255.36 $ − 4553.10, $42.37 0.06
Food shopping and preparation costs $9373.09 $11,931.53 $ − 2558.44 $ − 4763.57, $ − 353.32 0.02
Healthcare consultation costs $238.47 $131.41 $107.06 $ − 6.53, $220.65 0.06
Research costs $282.43 $149.65 $132.78 $ − 14.52, $280.08 0.08
Lost wages $144.78 $81.54 $63.24 $ − 126.53, $253.01 0.51
  1. Indirect costs refer to lost wages or time. For instance, indirect food shopping and preparation costs quantify the costs associated with the time lost as a result of food shopping and preparation. 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