Table 1 Descriptive characteristics of the participants (n = 7012), Tsukuba, Japan (2017)
| Â | Percent | Number |
|---|---|---|
Mental health | ||
 Flourishing | 12.4 | (870) |
 Non-flourishing | 87.6 | (6142) |
Job-related stress, mean ± SD |  |  |
 Workload | 2.16 | ± 0.88 |
 Mental workload | 2.22 | ± 0.86 |
 Problem in personal relationships | 2.00 | ± 0.79 |
Buffer against job-related stress, mean ± SD | ||
 Job control | 2.76 | ± 0.76 |
 Reward from work | 2.77 | ± 0.86 |
 Support from colleagues and superiors | 2.80 | ± 0.69 |
Sex | ||
 Men | 62.8 | (4402) |
 Women | 37.2 | (2610) |
Age group | ||
 20–29 | 9.3 | (654) |
 30–39 | 25.9 | (1818) |
 40–49 | 31.4 | (2200) |
 50–59 | 26.9 | (1885) |
 60–64 | 6.5 | (455) |
Marital status | ||
 Never married | 25.7 | (1804) |
 Divorced/bereaved | 3.8 | (264) |
 Married | 70.5 | (4944) |
Educational attainment | ||
 High school | 13.2 | (923) |
 College, etc. | 11.7 | (823) |
 University | 27.0 | (1891) |
 Graduate school | 48.1 | (3375) |
Annual household income (yen) | ||
 Less than 4 million | 15.4 | (1082) |
 4–8 million | 35.9 | (2514) |
 8–12 million | 33.6 | (2359) |
 12 million or above | 15.1 | (1057) |
Type of employment | ||
 Part-time, temporary | 20.7 | (1448) |
 Full-time (fixed-term) | 17.4 | (1223) |
 Full-time (permanent) | 61.9 | (4341) |
Occupation | ||
 Researcher/academic | 41.6 | (2920) |
 Technician/engineer | 22.5 | (1578) |
 Clerk/administration | 35.9 | (2514) |
Physical activity per week | ||
 Less than once | 53.3 | (3735) |
 Once or more | 46.7 | (3277) |
Smoking status | ||
 Currently smoking | 10.8 | (757) |
 Not smoking | 89.2 | (6255) |
Self-rated health | ||
 Poor/fair | 15.7 | (1098) |
 Good/very good | 84.3 | (5914) |