Table 3. Characteristics of 206 households whose members were infected with SARS-CoV-2 B.1.1.214 or Alpha variants, Kyoto, Japan, November 2020–May 2021*.

Variables	Alpha	Non-VOC	p value
No. households	106	100
Median household size	3	4
IQR	3–4	3–4	0.19
Range	2–10	2–9
No. index cases	106	100
Median age, y	38	47.5
IQR	23–56	27.75–58	0.12
Range	5–93	7–91
Sex, no. (%)
M	73 (68.9)	70 (70.0)	0.95
F	33 (31.1)	30 (30.0)
No. household contacts	282	282
Median age, y	35.5	35.5
IQR	13–53	16–52	0.96
Range	0–90	1–95
Sex, no. (%)
M	129 (45.7)	130 (46.1)	0.90
F	153 (54.3)	152 (53.9)

*Alpha variant B.1.1.7 or non-VOC B.1.1.214. IQR, interquartile range; VOC, variant of concern.