Table 2.
Comparison between long- and short-training groups (n = 119).
| Long | Short | Long vs short | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| n | % | Mean | SD | n | % | Mean | SD | p value | ||
| Age (years) | 60 | 48.9 | 8.47 | 59 | 45.7 | 10.89 | 0.07a | |||
| Sex | Male | 34 | 56.7 | 42 | 71.2 | 0.10b | ||||
| Female | 26 | 43.3 | 17 | 28.8 | ||||||
| Other | 0 | 0 | 0 | 0 | ||||||
| Employment status | ||||||||||
| Full-time worker | 50 | 83.3 | 43 | 72.9 | 0.37b | |||||
| Part-time worker | 9 | 15.0 | 12 | 20.3 | ||||||
| Employment position | 0.72b | |||||||||
| Manager | 16 | 27.1 | 15 | 26.8 | ||||||
| Non-manager | ||||||||||
| Analyst/specialist | 11 | 18.6 | 8 | 14.3 | ||||||
| Sales representative | 2 | 3.4 | 0 | 0.0 | ||||||
| Technician/engineer | 12 | 20.3 | 12 | 21.4 | ||||||
| Administrative assistant | 14 | 23.7 | 15 | 26.8 | ||||||
| Others | 4 | 6.8 | 6 | 10.7 | ||||||
| Sleep difficulties (AIS) | ||||||||||
| ≥6 | 27 | 45.0 | 21 | 35.6 | 0.37b | |||||
| ≤5 | 33 | 55.0 | 36 | 61.0 | ||||||
| Physical disease treatment status | ||||||||||
| Under treatment | 13 | 21.7 | 9 | 15.3 | 0.37b | |||||
| Not treated | 46 | 76.7 | 49 | 83.1 | ||||||
| Mental illness treatment status | ||||||||||
| Under treatment | 1 | 1.7 | 2 | 3.4 | 0.55b | |||||
| Not treated | 58 | 96.7 | 56 | 94.9 | ||||||
| Depression tendency (K6) | ||||||||||
| ≥5 | 22 | 36.7 | 19 | 32.2 | 0.71b | |||||
| ≤4 | 38 | 63.3 | 38 | 64.4 | ||||||
| ADHD tendency | ||||||||||
| (ASRS v.1.1 part A) | + | 8 | 13.3 | 6 | 10.2 | 0.67b | ||||
| − | 51 | 85.0 | 49 | 83.1 | ||||||
| Autistic traits (AQ-J) | ||||||||||
| ≥7 | 5 | 8.3 | 3 | 5.1 | 0.53b | |||||
| ≤6 | 54 | 90.0 | 52 | 88.1 | ||||||
| Intrinsic Motivation (IMI) | 57 | 42 | ||||||||
| Interest/enjoyment | 26.8 | 6.23 | 23.9 | 6.61 | 0.03a | |||||
| Perceived choice | 35.3 | 7.01 | 33.0 | 7.71 | 0.12a | |||||
| Value/usefulness | 32.0 | 9.19 | 27.8 | 10.28 | 0.04a | |||||
| Total | 94.1 | 18.58 | 84.7 | 21.07 | 0.02a | |||||
SD, standard deviation; AIS, Athens Insomnia Scale; K6, Kessler Psychological Distress Scale; ASRS, Adult ADHD Self-Report Scale v.1.1 part A; AQ-J, Autism-Spectrum Quotient-Japanese version; IMI, Intrinsic Motivation Inventory.
a Student’s t-test.
b Pearson’s chi-square test.