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Table 2 Characteristics of the study sample categorized by the frequency of suicidal thoughts over the preceding year*

From: Perceived parental support in childhood and adolescence and suicidal ideation in young adults: a cross-sectional analysis of the i-Share study

Characteristic All students (n = 10,015) No suicidal thoughts (n = 7872) Occasional suicidal thoughts (n = 1775) Frequent suicidal thoughts (n = 368) p ***
Age, mean (SD) 20.0 (1.8) 20.0 (1.8) 20.0 (1.8) 19.9 (1.8) 0.5081
Female, No. (%) 7579 (75.7) 5926 (75.3) 1366 (77.0) 287 (78.0) 0.1895
Parental divorce or separation, No. (%) 3114 (31.1) 2342 (29.8) 633 (35.7) 139 (37.8) < 0.0001
Parental death, No. (%) 376 (3.8) 274 (3.5) 75 (4.2) 27 (7.3) 0.0004
Did not live in parental home during childhood, No. (%) 196 (2.0) 136 (1.7) 45 (2.5) 15 (4.1) 0.0010
Perceived economic status in childhood, No. (%)      < 0.0001
 Adequate to very comfortable 9193 (91.8) 7297 (92.7) 1730 (97.5) 353 (95.9)  
 Difficult to very difficult 822 (8.2) 575 (7.3) 191 (10.8) 56 (15.2)  
Scholarship, No. (%) 3810 (38.0) 2904 (36.9) 745 (42.0) 161 (43.8) < 0.0001
Half time or more job activities, No. (%) 590 (5.90) 447 (5.7) 123 (6.9) 20 (5.4) < 0.0001
Parental history of depression or anxiety, No. (%) ** 3925 (43.8) 2835 (39.8) 885 (57.7) 205 (65.3) < 0.0001
Personal history of depression or attempted suicide, No. (%) 1374 (13.7) 662 (8.4) 496 (27.9) 216 (58.7) 0.1204
Perceived parental support, No. (%)      < 0.0001
 Extremely strong 3277 (32.7) 2835 (36.0) 382 (21.5) 60 (16.3)  
 Strong 4065 (40.6) 3275 (41.6) 693 (39.0) 97 (26.4)  
 Moderate 1907 (19.0) 1336 (17.0) 450 (25.4) 121 (32.9)  
 Low 610 (6.1) 354 (4.5) 194 (11.0) 62 (16.9)  
 None 156 (1.6) 72 (0.9) 56 (3.2) 28 (7.6)  
  1. *Data are from the i-Share cohort, 2013–2017
  2. ** n = 8970, due to missing data
  3. ***P Values are based on Kruskall-Wallis test for continuous variable and Chi2 test for categorical variables