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Table 7 Multiple linear regression analyses predicting annual indirect household costs from income level among food-allergic families

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

  Income above median (n = 20) Income below median (n = 15) Difference 95% CI of the difference p-value
Total annual indirect costs $12,663.55 $9150.23 $3513.32 $ − 1373.48, $8400.12 0.15
Food costs $11,737.86 $8515.96 $3221.90 $ − 1492.64, $7936.45 0.17
Healthcare consultation costs $314.02 $222.47 $91.55 $ − 74.14, $257.23 0.27
Research costs $370.56 $271.93 $98.62 $ − 197.69, $394.94 0.50
Lost wages $241.10 $139.86 $101.24 $ − 140.40, $342.88 0.40
  1. 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