| Moderate-severe level depression | p | Suicide-related ideation | p | Severe suicide-related ideation | p | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
(+) | (−) | (+) | (−) | (+) | (−) | ||||||||||
n | % | n | % | n | % | n | % | n | % | n | % | ||||
Sex | Â | Â | Â | Â | 0.533 | Â | Â | Â | Â | 0.865 | Â | Â | Â | Â | 0.318 |
 Women | 135 | 48 | 986 | 46 |  | 73 | 45 | 1038 | 46 |  | 24 | 53 | 1087 | 46 |  |
 Men | 147 | 52 | 1162 | 54 |  | 88 | 55 | 1217 | 54 |  | 21 | 47 | 1284 | 54 |  |
Age | Â | Â | Â | Â | 0.009 | Â | Â | Â | Â | 0.138 | Â | Â | Â | Â | 0.060 |
 <20 | 100 | 35 | 943 | 44 |  | 60 | 37 | 975 | 43 |  | 13 | 29 | 1022 | 43 |  |
 20− | 182 | 65 | 1218 | 56 |  | 102 | 63 | 1292 | 57 |  | 32 | 71 | 1362 | 57 |  |
Hometown | Â | Â | Â | Â | 0.004 | Â | Â | Â | Â | 0.226 | Â | Â | Â | Â | 0.642 |
 Outside Akita | 189 | 67 | 1248 | 58 |  | 88 | 54 | 1342 | 59 |  | 28 | 62 | 1402 | 59 |  |
 Within Akita | 94 | 33 | 913 | 42 |  | 74 | 46 | 926 | 41 |  | 17 | 38 | 983 | 41 |  |
Living alone | Â | Â | Â | Â | 0.002 | Â | Â | Â | Â | 0.745 | Â | Â | Â | Â | 0.505 |
 Alone | 193 | 70 | 1281 | 60 |  | 99 | 62 | 1368 | 61 |  | 29 | 66 | 1438 | 61 |  |
 Not alone | 84 | 30 | 859 | 40 |  | 60 | 38 | 876 | 39 |  | 15 | 34 | 921 | 39 |  |
Exercise | Â | Â | Â | Â | <.001 | Â | Â | Â | Â | 0.006 | Â | Â | Â | Â | 0.011 |
 Highest quartile | 49 | 19 | 502 | 26 |  | 28 | 19 | 484 | 24 |  | 7 | 17 | 541 | 25 |  |
 Second highest quartile | 54 | 21 | 497 | 26 |  | 30 | 21 | 518 | 25 |  | 9 | 22 | 541 | 25 |  |
 Second lowest quartile | 62 | 24 | 492 | 25 |  | 34 | 23 | 520 | 25 |  | 6 | 15 | 546 | 25 |  |
 Lowest quartile | 93 | 36 | 447 | 23 |  | 53 | 37 | 520 | 25 |  | 19 | 46 | 518 | 24 |  |
Smoking | Â | Â | Â | Â | <.001 | Â | Â | Â | Â | 0.009 | Â | Â | Â | Â | 0.003 |
 Current | 19 | 7 | 52 | 2 |  | 9 | 6 | 62 | 3 |  | 5 | 11 | 66 | 3 |  |
 Past | 12 | 4 | 46 | 2 |  | 8 | 5 | 50 | 2 |  | 2 | 4 | 56 | 2 |  |
 Never | 252 | 89 | 2062 | 95 |  | 145 | 90 | 2155 | 95 |  | 38 | 84 | 2262 | 95 |  |
Alcohol | Â | Â | Â | Â | <.001 | Â | Â | Â | Â | <.001 | Â | Â | Â | Â | <0.001 |
 5-7/week | 13 | 5 | 33 | 2 |  | 9 | 6 | 37 | 2 |  | 4 | 9 | 42 | 2 |  |
 3-4/week | 16 | 6 | 73 | 3 |  | 11 | 7 | 77 | 3 |  | 6 | 13 | 82 | 3 |  |
 1-2/week | 62 | 22 | 419 | 19 |  | 28 | 17 | 452 | 20 |  | 7 | 16 | 473 | 20 |  |
 Never~seldom | 192 | 68 | 1631 | 76 |  | 114 | 70 | 1697 | 75 |  | 28 | 62 | 1783 | 75 |  |
Social network service daily use | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
 Either sound or video | 73 | 26 | 379 | 18 | <.001 | 37 | 23 | 411 | 18 | 0.1339 | 12 | 27 | 436 | 18 | 0.150 |
Worries | Â | Â | Â | Â | <.001 | Â | Â | Â | Â | 0.0025 | Â | Â | Â | Â | 0.303 |
 Financial strain | 63 | 22 | 465 | 22 |  | 39 | 24 | 487 | 22 |  | 10 | 23 | 516 | 22 |  |
 Academic record | 80 | 28 | 492 | 23 |  | 43 | 27 | 526 | 23 |  | 12 | 27 | 557 | 23 |  |
 Leisure | 56 | 20 | 628 | 29 |  | 36 | 22 | 642 | 28 |  | 10 | 23 | 668 | 28 |  |
 Social support | 56 | 20 | 301 | 14 |  | 35 | 22 | 321 | 14 |  | 10 | 23 | 346 | 15 |  |
 Physical activity | 26 | 9 | 270 | 13 |  | 8 | 5 | 287 | 13 |  | 2 | 5 | 293 | 12 |  |
Anyone to consult about worries | Â | Â | Â | <.001 | Â | Â | Â | Â | <.001 | Â | Â | Â | Â | <0.001 | |
 Yes | 148 | 52 | 1760 | 81 |  | 75 | 46 | 1821 | 80 |  | 24 | 53 | 1872 | 79 |  |
 None | 135 | 48 | 400 | 19 |  | 87 | 54 | 446 | 20 |  | 21 | 47 | 512 | 21 |  |