eTable 3.

Linear Regression Analysis of Overall- and Domain-Specific Food Allergy-Related HRQL Scores for Mothers of Children Aged 0 to 3 Years Compared With Children Aged 4 to 8 Years

Domain	Age (y)	Unadjusted		Model 1a		Model 2b		Model 3c
		β	95% CI	β	95% CI	β	95% CI	β	95% CI
Overall HRQL	0-3	Ref		Ref		Ref		Ref
	4-8	−0.28	−1.29 to 0.74	−0.69	−1.96 to 0.57	−0.69	−2.02 to 0.64	−0.67	−2.55 to 1.21
EI	0-3	Ref		Ref		Ref		Ref
	4-8	−0.24	−1.20 to 0.72	−0.66	−1.87 to 0.54	−0.65	−1.94 to 0.63	0.49	−2.29 to 1.31
FA	0-3	Ref		Ref		Ref		Ref
	4-8	−0.09	−1.23 to 1.05	−0.62	−2.04 to 0.79	−0.63	−2.12 to 0.87	−0.60	−2.71 to 2.51
SDL	0-3	Ref		Ref		Ref		Ref
	4-8	−0.41	−1.51 to 0.69	−0.73	−2.11 to 0.65	−0.73	−2.18 to 0.71	−0.95	−2.96 to 1.05

Abbreviations: CI, confidence interval; EI, emotional impact; FA, food anxiety; HRQL, health-related quality of life; Ref, reference category; SDL, social and dietary limitation.

^aAdjusted for number of children in the home, mother's highest level of education, and family income.

^bAdjusted for confounders identified in model 1, including childcare during the pandemic.

^cAdjusted for confounders identified in model 2, including history of anaphylaxis and the number of foods the child must avoid.