Table 3

Data suggestive of depression by PHQ-9, stratified by gender, professional role, ethnicity, age and place of work

VariablesTotal, n (%)Depression, n (%)χ2P value
NoMildModerate to severe
Gender
 Male106 (35)76 (71.7)22 (20.8)8 (7.5)16.20.003
 Female196 (65)97 (49.5)55 (28.1)44 (22.4)
Professional role
 Doctors62 (21)43 (69.4)16 (25.8)3 (4.8)9.60.008
 Nurses115 (38)59 (51.3)31 (27.0)25 (21.7)
Ethnicity
 BAME168 (56)100 (59.9)39 (23.2)29 (17.3)1.10.58
 White134 (44)73 (54.5)38 (28.4)23 (17.1)
Age (years)
 18–29102 (34)47 (46.1)41 (40.2)14 (13.7)20.90.002
 30–3994 (31)54 (57.4)22 (23.4)18 (19.1)
 40–4964 (31)42 (65.6)9 (14.1)13 (20.3)
 50+42 (14)30 (71.4)5 (11.9)7 (16.7)
Place of work
 ITU66 (22)34 (51.5)22 (33.3)10 (15.2)4.660.59
 Theatre43 (14)26 (60.5)11 (25.6)6 (14.0)
 Ward148 (49)90 (60.8)32 (21.6)26 (17.6)
 Other45 (15)23 (51.1)12 (26.7)10 (22.2)
  • PHQ-9 total score for the nine items ranges from 0 to 27. Scores of 5, 10, 15 and 20 represent cut-points for mild, moderate, moderately severe and severe depression, respectively.

  • BAME, black, Asian and minority ethnicity; ITU, intensive therapy unit; PHQ-9, Patient Health Questionnaire.