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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