Table 2.

Sociodemographic characteristics of the participants by age group (N = 1468).

	Younger adult		Middle-aged adult		Aged adult		Statistical analysis
	N = 368		N = 667		N = 433
	N	%	N	%	N	%	χ2	p	φ
Sex
Male	219	59.5	346	51.9	240	55.4	5.67	0.06	0.06
Female	149	40.5	321	48.1	193	44.6
Residential areas
Not under mild lockdown	201	54.6	340	51.0	199	46.0	6.13	0.047	0.07
Under mild lockdown	167	45.4	327	49.0	234	54.0
Underlying disease
Without	349	94.8	580	87.0	341	78.8	44.31	< 0.001	0.17
With	19	5.2	87	13.0	92	21.2
Marital status
Single	233	63.3	296	44.4	86	19.9	157.41	< 0.001	0.33
Married	135	36.7	371	55.6	347	80.1
Children
Without	260	70.7	310	46.5	66	15.2	253.69	< 0.001	0.42
With	108	29.3	357	53.5	367	84.8
Household income
< 2 million JPY	50	13.6	116	17.4	45	10.4	39.83	< 0.001	0.12a
2–4 million JPY	100	27.2	164	24.6	163	37.6
4–6 million JPY	95	25.8	144	21.6	98	22.6
6–8 million JPY	63	17.1	86	12.9	49	11.3
> 8 million JPY	60	16.3	157	23.5	78	18.0
Employment status
Full-time worker	127	34.5	278	41.7	131	30.3	18.04	0.006	0.08a
No regular employment	123	33.4	198	29.7	147	33.9
Homemaker	49	13.3	89	13.3	61	14.1
Not working	69	18.8	102	15.3	94	21.7
Economically impacted
Unimpacted	195	53.0	335	50.2	277	64.0	21.46	< 0.001	0.09a
Negative impact	159	43.2	311	46.6	146	33.7
Positive impact	14	3.8	21	3.1	10	2.3

^aCramer's V.