Skip to main content

Table 1 Demographics of Study Participants (N = 1422)

From: Psychological characteristics of suicide attempters among undergraduate college students in China: a cross-sectional study

Demographics Suicide Attempt Total Statistic p-value Cohen d
Yes (n = 237) No (n = 1185) (n = 1422)
Age (years)
 Mean ± SD 21 ± 0.09 21 ± 0.04 21 ± 0.04 1.44 0.150a 1.36
 Median (min, max) 20 (18, 24) 21 (18, 24) 21 (18, 24) 132,499.00 0.159b 0.08d
Gender (n, %)
 Male 96 (41%) 444 (38%) 540 (38%) 0.77 0.379c NA
 Female 141 (59%) 741 (62%) 882 (62%)    
  1. 1. There is no significant difference between mean age for male and female
  2. 2. Out of total population sample of 11,806, 237 students reported to have attempted suicide before (based on answer option of Item 1 who responded 4(a) or 4(b)). These 237 participants are grouped under the “Suicide Attempter” group
  3. 3. Out of the remaining sample of 11,569 (11,806–237), simple random sampling using SPSS random number generators function is done to extract 1185 samples and these participants are grouped under the “Non-Suicide Attempter” group
  4. 4. aIndependent samples t-test; bMann-Whitney U test; cPearson Chi-Square Test
  5. 5. dCalculation obtained from https://www.psychometrica.de/effect_size.html