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. 2021 Sep 14;63(1):e12273. doi: 10.1002/1348-9585.12273

TABLE 1.

Participants’ characteristics for full‐time employees in Japan (N = 800)

N (%) Mean (SD) [min‐max]
Gender
Male 424 (53.0)
Female 376 (47.0)
Age
20‐29 years old 127 (15.9) 41.93 (10.30) [22 ‐ 60]
30‐39 years old 216 (27.0)
40‐49 years old 226 (28.2)
50‐59 years old 218 (27.3)
≥60 years old 13 (1.6)
Marital status
Unmarried 401 (50.1)
Married 399 (49.9)
Presence of children
Childless 463 (57.9)
With children 337 (42.1)
Educational attainmenta
Junior high school 6 (0.8)
High school 180 (22.5)
Junior college/vocational school/technical college 185 (23.1)
University 384 (48.0)
Graduate school 45 (5.6)
Type of industry
Manufacturing 202 (25.3)
Medical and welfare 103 (12.9)
Retail and wholesale business 77 (9.6)
Finance, insurance, real estate 66 (8.3)
Public service 65 (8.1)
Information and technology services 67 (8.4)
Life‐related services and entertainment 54 (6.8)
Professional and technical services 43 (5.4)
Transportation 12 (4.5)
Education and learning support 36 (4.5)
Construction 29 (3.6)
Eating/drinking, hotel business 12 (1.5)
Agriculture and industry 3 (0.4)
Others 7 (0.9)
Company size
≧1000 employees 259 (32.4)
300‐999 144 (18.0)
50‐299 213 (26.6)
<50 161 (20.1)
Unknown 23 (2.9)
Occupational type
Managers 92 (11.5)
Non‐manual 505 (63.1)
Manual 203 (25.4)
Geographic block
Hokkaido 32 (4.0)
Tohoku 43 (5.4)
Kanto 330 (41.3)
Chubu 146 (18.3)
Kansai (Kinki) 136 (17.0)
Chugoku & Shikoku 61 (7.6)
Kyushu & Okinawa 52 (6.5)

Abbreviation: SD, standard deviation.

a

The education attainment was measured at T2.