Maternal food allergy is associated with daughters’ menarche in early adolescence

Table 1 Demographic characteristics of mother-daughter dyads (N = 154)

	n	%
Maternal characteristics
Ever smoked	66	42.9
Ethnicity
Caucasian	133	86.4
Indigenous	15	9.7
Visible minority	6	3.9
Highest education
No post-secondary	19	13.2
Post-secondary	125	86.8
Income ($)
< 49,999	46	32.2
> 50,000	97	67.8
Region
Urban	90	58.4
Rural	64	41.6
Ever breastfed daughter	130	84.4
Maternal depression after daughter’s birth
No	74	56.1
Yes	58	43.9
Allergic disease
Asthma
Ever	44	28.6
Pre-pubertal	18	42.9
Food allergy	29	18.8
Eczema	42	27.3
Rhinitis	70	45.5
Daughters' characteristics
Born at 38+ weeks	136	88.3
Thelarche^a	109	79.5
Menarche^b	64	41.6