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Table 3 Pearson’s correlation of the PHQ-9 sum score, PHQ-9 percentile, PSQ-20 subscales and the MBI dimensions

From: Mental health of postgraduate trainees in primary care: a cross-sectional study

  [a] [b] [c] [d] [e] [f] [g] [h] [i]d
PHQ-9 sum score (0–27) r .83a .72a .67a .64a .51a .73a .53a .38a .23a
n 202 205 204 204 204 199 201 204 208
PHQ-9: percentile [a] c r   .66a .65a .62a .50a .70a .52a .38a .26a
n   200 199 199 199 194 195 198 202
PSQ-20 scale: worries (0–1) [b] r    .73a .72a .66a .88a .57a .36a .19a
n    206 206 206 202 201 203 207
PSQ-20 scale: tension (0–1) [c] r     .76a .72a .92a .57a .43a .24a
n     205 205 202 200 202 206
PSQ-20 scale: joy (0–1) [d] r      .56a .87a .60a .56a .30a
n      205 202 200 202 206
PSQ-20 scale: demands(0–1) [e] r       .84a .51a .31a .15b
n       202 201 203 206
PSQ-20 scale: sum score (0–1) [f] r        .64a .47a .27a
n        196 198 201
MBI-EE [g] r         .34a .54a
n         200 203
MBI –PA (reverse) [h] r          .32a
n          205
  1. Note.r = Pearson’s correlation coefficient: .0–.20: no correlation .20–.40: mild correlation .40–.60: moderate correlation >.60: high correlation >.80: strong correlation a. Level of significance: 0.01 (2-sided).b. Level of significance: 0.05 (2-sided). ccompared to the general population (age- and gender-standardised). d [i] Maslach Burnout Inventory Depersonalisation Scale (MBI-DP). PHQ-9: Patient Health Questionnaire-9. PSQ-20: Perceived Stress Questionnaire-20. MBI: MBI-EE: Dimension of the Maslach Burnout Inventory “Emotional Exhaustion”. MBI-PA: Dimension of the Maslach Burnout Inventory “Personal Accomplishment