Case Control Study
Copyright ©The Author(s) 2025.
World J Psychiatry. Apr 19, 2025; 15(4): 102182
Published online Apr 19, 2025. doi: 10.5498/wjp.v15.i4.102182
Table 1 Characteristics of the study population, n (%)
Variables
Controls (n = 509)
Case (n = 555)
P value
Age (years)50.8 ± 18.642.2 ± 17.7< 0.01
Gender
Male191 (37.5)161 (29.0)0.030
Female318 (62.5)394 (71.0)-
Age of onset (years), mean ± SD-37.3 ± 16.7-
Pulse rate, mean ± SD87.07 ± 13.479.4 ± 12.3< 0.01
Education
Elementary school82 (16.1)36 (6.5)-
Junior middle school131 (25.7)151 (27.2)-
High school154 (30.3)160 (28.8)-
Junior college and above142 (27.9)208 (37.5)-
Profession
Student76 (14.9)154 (27.7)-
Mental labor179 (35.2)194 (35.0)-
Manual labor130 (25.5)71 (12.8)-
Retired or unemployed124 (24.4)136 (24.5)-
Depressive episode
Severe0 (0)277 (49.9)-
Mild/moderate0 (0)278 (50.1)-
No509 (100)0 (0)-
Family history
Positive0 (0)97 (17.5)-
Negative509 (100)458 (82.5)-
Suicide attempt
Yes0 (0)314 (56.6)-
No509 (100)241 (43.4)-
First-episode
Yes0 (0)278 (50.1)-
No509 (100)277 (49.9)-