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. 2021 Jul 20;304:114132. doi: 10.1016/j.psychres.2021.114132

Table 2.

PHQ-9, GAD-7, CPSS-14 and ISI scores of community epidemic prevention workers and community residents.

Variables Community epidemic prevention workers (n = 660, 58.1%) Community residents (n = 476, 41.9%) Statistics (χ2/t/z) P
Patient Health Questionnaire (PHQ-9)
  Median (IQR) 3 (0, 8) 2 (0, 6) - 3.987b < 0.001*
  No (0 - 4) 398 (60.3%) 322 (67.6%) 21.02 < 0.001*
  Mild (5 - 9) 155 (23.5%) 120 (25.2%)
  Moderate (10 - 14) 69 (10.5%) 22 (4.6%)
  Severe (15 - 27) 38 (5.8%) 12 (2.5%)
Generalized Anxiety Disorder (GAD-7)
  Median (IQR) 1 (0, 6) 0 (0, 4) - 3.423b 0.001*
  No (0 - 4) 465 (70.5%) 375 (78.8%) 10.045 0.018*
  Mild (5 - 9) 131 (19.8%) 66 (13.9%)
  Moderate (10 - 14) 42 (6.4%) 23 (4.8%)
  Severe (15 - 21) 22 (3.3%) 12 (2.5%)
Chinese Perceived Stress Scale (CPSS-14)
  Mean CPSS-14 score 24.3 (8.3) 23.1 (7.3) 2.365a 0.018*
  Low (≤ 25) 323 (48.9%) 244 (51.3%) 0.596 0.44
  High (≥ 26) 337 (51.1%) 232 (48.7%)
Insomnia Severity Index (ISI)
  Median (IQR) 5 (1, 8) 4 (1, 7) - 1.413b 0.158
  No clinically significant insomnia (0 - 7) 457 (69.2%) 359 (75.4%) 6.799 0.079
  Subthreshold insomnia (8 - 14) 169 (25.6%) 98 (20.6%)
  Moderately severe clinical insomnia (15 - 21) 31 (4.7%) 15 (3.2%)
  Severe clinical insomnia (22 - 28) 3 (0.5%) 4 (0.8%)

Abbreviations: IQR, Interquartile range.

Unless otherwise specified, data were compared with Chi-squared test.

a

independent samples t-test

b

Mann-Whitney U test

P < 0.05