Prevalence of suicidal ideation and suicide attempt by demographic variables
| Number | Suicidal ideation | Test of difference | Suicidal attempt | Test of difference | |
|---|---|---|---|---|---|
| N | N (%) | N (%) | |||
| Total | 5988 | 982 (16.4) | 114 (1.9) | ||
| Gender | χ2=60.63 df=1 p=0.0000 | χ2=12.95 df=1 p=0.0002 | |||
| Male | 3203 | 414 (12.9) | 42 (1.3) | ||
| Female | 2785 | 568 (20.4) | 72 (2.6) | ||
| Residence place of family | χ2=6.26 df=5 p=0.2819 | χ2=8.92 df=5 p=0.1123 | |||
| Provincial capital or direct-controlled municipality | 924 | 175 (18.9) | 26 (2.8) | ||
| County-level city | 1353 | 218 (16.1) | 27 (2.0) | ||
| County | 803 | 124 (15.4) | 19 (2.4) | ||
| Township | 861 | 129 (15.0) | 15 (1.7) | ||
| Suburban countryside | 930 | 151 (16.2) | 12 (1.3) | ||
| Remote countryside | 1114 | 184 (16.5) | 15 (1.3) | ||
| Specialty of study | χ2=33.16 df=2 p=0.0000 | χ2=4.51 df=2, p=0.105 | |||
| Engineering | 2036 | 289 (14.2) | 30 (1.5) | ||
| Science | 2310 | 351 (15.2) | 44 (1.9) | ||
| Liberal arts | 1642 | 342 (20.8) | 40 (2.4) | ||
| School year | χ2=21.22 df=3 p=0.0001 | χ2=5.61 df=3 p=0.1322 | |||
| Freshman | 2770 | 493 (17.8) | 58 (2.1) | ||
| Sophomore | 1748 | 270 (15.4) | 31 (1.8) | ||
| Junior | 1134 | 191 (16.8) | 24 (2.1) | ||
| Senior | 336 | 28 (8.3) | 1 (0.3) | ||
| Age, (years) | χ2=8.56 df=2 p=0.0138 | χ2=3.79 df=2 p=0.1500 | |||
| 14–18 | 828 | 150 (18.1) | 15 (1.8) | ||
| 19–21 | 4390 | 732 (16.7) | 91 (2.1) | ||
| 22–26 | 770 | 100 (13.0) | 8 (1.0) |
In the study population, three students did not report the region of permanent family residence.