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. Author manuscript; available in PMC: 2013 Oct 6.
Published in final edited form as: Ann Clin Psychiatry. 2013 Feb;25(1):41–49.

TABLE 4.

Students with moderate to severe SI, mild SI, and no SI across psychiatric and functional outcomes

No SI (0 on BDI item 9) Mild SI (1 on BDI item 9) Moderate to severe SI (2 or 3 on BDI item 9) ANOVA
n Mean (SD) n Mean (SD) n Mean (SD) F P
Psychiatric outcomes
BDI total score (minus item 9) 163 17.74 (4.88) 111 19.94 (7.35) 13 26.38 (9.80) 8.07a .002a,b
ASQ intensity total score 79 64.05 (26.84) 58 75.34 (27.59) 8 94.13 (37.85) 5.90 .003b
ASQ frequency total score 77 60.77 (26.02) 58 71.98 (27.90) 8 92.38 (36.51) 6.38 .002b
BAI total score 26 11.23 (7.13) 23 21.35 (10.68) 6 28.50 (17.96) 8.80a .004a,b
BHS total score 58 5.12 (3.72) 36 7.81 (4.23) 1 11.00 (n/a) 5.97 .004b,c
Functional outcomes
CPFQ total score 95 21.3 (5.79) 68 21.93 (5.33) 11 21.36 (5.35) 0.26 .773
Q-LES-Q total score 78 48.47 (8.45) 49 47.56 (9.40) 5 38.20 (8.87) 3.20 .044b
GPA 137 3.25 (0.53) 95 3.21 (0.45) 10 3.44 (0.49) 0.99 .377
a

Violates homogeneity of variance. Welch statistic and associated P value reported.

b

Post hoc analyses between the 3 groups for significant outcome variables were significant for all groups except: •Q-LES-Q: No SI and mild SI were not significantly different •ASQ intensity: Mild SI and moderate to severe SI demonstrated a trend toward significance (P = .075) •ASQ frequency: Mild SI and moderate to severe SI demonstrated a trend toward significance (P = .05) •BAI: Moderate to severe SI and mild SI were not significantly different.

c

Post hoc could not be performed due to cell size.

ANOVA: analysis of variance; ASQ: Anxiety Symptom Questionnaire; BAI: Beck Anxiety Inventory; BDI: Beck Depression Inventory; BHS: Beck Hopelessness Scale; CPFQ: The Massachusetts General Hospital Cognitive and Physical Functioning Questionnaire; GPA: grade point average; Q-LES-Q: Quality of Life Enjoyment and Satisfaction Questionnaire–Short Form; SD: standard deviation; SI: suicidal ideation.