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Table 1 Descriptive statistics by gender

From: Gender-differences in risk factors for suicidal behaviour identified by perceived burdensomeness, thwarted belongingness and acquired capability: cross-sectional analysis from a longitudinal cohort study

  Males (n=547) Females (n=739)   
Mean SD Mean SD F P
Perceived burdensomeness 1.47 0.72 1.55 0.86 2.70 .101
Thwarted belongingness 2.24 1.29 2.10 1.23 3.79 .052
Acquired capability for suicide 2.80 0.80 2.46 0.84 52.18 <.001
Age 34.69 1.47 34.65 1.52 0.19 .666
Years of education 14.31 1.38 14.52 1.52 6.50 .011
Number of stressful events 1.13 1.48 1.21 1.43 1.01 .316
Number of lifetime traumas 1.40 1.50 1.26 1.38 3.00 .084
Positive support from friends 4.74 1.24 5.15 1.16 35.85 <.001
Negative interactions from friends 2.88 1.69 2.76 1.62 1.67 .196
Positive support from family 5.37 1.11 5.32 1.18 0.54 .461
Negative interactions from family 3.61 1.99 4.11 2.16 17.16 <.001
Ruminative style score 7.89 5.93 10.20 6.27 41.91 <.001
Mastery score 22.35 3.54 21.78 3.50 7.60 .006
Neuroticism (wave 1) 3.79 3.17 5.46 3.35 81.37 <.001
Extroversion (wave 1) 7.99 3.47 8.29 3.44 2.31 .129
Psychoticism (wave 1) 2.94 1.76 2.34 1.69 36.95 <.001
SF-12 physical health 52.92 6.51 51.18 7.82 17.66 <.001
SF-12 mental health 49.09 9.52 47.26 9.95 10.87 <.001
  Frequency Percent Frequency Percent χ2 p
Presence of suicidal ideation 47 8.9% 64 8.9% 0.00 .965
Presence of plan/attempt 6 1.1% 12 1.6% 0.63 .426
PHQ-9 clinically significant major depression 23 4.4% 69 9.6% 12.10 <.001
GAD-7 clinically significant generalized anxiety disorder 20 3.8% 39 5.4% 1.78 .182
Marital status      5.86 .053
Married 335 61.4% 415 56.2%   
Separated/divorced/widowed 26 4.8% 56 7.6%   
Single, never married 185 33.9% 268 36.3%   
  1. Note: bold values indicate P < 0.01; SF-12: Short Form-12; PHQ: Patient Health Questionnaire; GAD: Generalized Anxiety Disorder.