Table 3

- Prevalence of anxiety using general anxiety disorder (GAD-7) questionnaire and depression using patient health questionnaire (PHQ-9) according to the treatment method (N=721).

VariablesTotal n (%) (N=721)Weight loss treatment method*
Surgical n (%) (n=344)Injection n (%) (n=297)P-value §
Severity of anxiety
Normal (score 0 – 4)405 (56.2)189 (54.9)170 (57.2)0.539
Mild (score 5 – 9)174 (24.1)84 (24.4)67 (22.6)
Moderate (score 10 – 14)84 (11.7)38 (11.0)39 (13.1)
Severe (score 15 – 21)58 (08.0)33 (09.6)21 (07.1)
Symptoms of anxiety
Positive (score ≥10)142 (19.7)71 (20.6)60 (20.2)0.891
Negative (score <10)579 (80.3)273 (79.4)237 (79.8)
Severity of depression
Minimal (score 0 – 4)333 (46.2)170 (49.4)124 (41.8)0.030 **
Mild (score 5 – 9)215 (29.8)101 (29.4)89 (30.0)
Moderate (score 10 – 14)89 (12.3)37 (10.8)43 (14.5)
Moderately severe (score 15 – 19)49 (06.8)17 (04.9)30 (10.1)
Severe (score 20 – 27)35 (04.9)19 (05.5)11 (03.7)
Symptoms of depression
Positive (score ≥10)173 (24.0)73 (21.2)84 (28.3)0.038 **
Negative (score <10)548 (76.0)271 (78.8)213 (71.7)
  • * Other treatment methods were excluded from the comparison,

  • § p-value has been calculated using Chi-square test,

  • p-value has been calculated using Mann Whitney Z-test,

  • ** Significant at p<0.05 level