Table 1.

Demographic Characteristics of Enrolled Subjects

Characteristic	Overall (n = 227)	Intradermal H5 HA Group (n = 113)	Intramuscular H5 HA Group (n = 114)
Age, years
Mean (SD)	30.1 (7.7)	29.7 (7.4)	30.5 (8.0)
Median (range)	27.9 (18–49)	27.5 (18–49)	28.0 (20–49)
Sex
Male	93 (41)	39 (35)	54 (47)
Female	134 (59)	74 (65)	60 (53)
Ethnicity
Non-Hispanic	182 (80)	90 (80)	92 (81)
Hispanic	45 (20)	23 (20)	22 (19)
Race
Asian	36 (16)	19 (17)	17 (15)
Black/African	28 (12)	13 (12)	15 (13)
American
White	144 (63)	70 (62)	74 (65)
Multiracial	14 (6)	8 (7)	6 (5)

Data are no. (%) of subjects, unless otherwise indicated.