The association between Bacillus Calmette-Guérin vaccination (1331 SSI) skin reaction and subsequent scar development in infants

Table 1 Baseline characteristics for children randomized to BCG in the study on the association between BCG vaccination skin reaction and the development of a scar

	BCG skin reaction & scar study
	n = 492
Sex (male)^a	257 (52%)
Prematurity (GA < 37)	10 (2%)
Caesarean section	108 (22%)
Birth weight in grams (mean ± SD)	3501 ± 504
Age at time of randomization <1 day	75 (15%)
Maternal BCG	92 (19%) [2]
At least one parent of non-Danish ethnicity	98 (20%)[0]
Maternal smoking during pregnancy	49 (10%)[0]
Level of maternal education	[1]
Basic schooling and non-theoretical education	96 (20%)
Theoretical education incl. BA level	212 (43%)
Master level or more	183 (37%)
Siblings	192 (39%)
Atopic predisposition^b	336 (68%)

^a n number (Frequency) [not available] unless otherwise stated
^b Atopic predisposition defined as at least one first degree relative with atopic disease. Atopic disease is defined as physician-diagnosed atopic eczema, asthma, and allergic rhino conjunctivitis or food allergy

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