Name
phqsev
Label
Patient Health Questionnaire 9: Depression severity category
Description

Summary score for Patient Health Questionnaire 9-item. Each item is scored from 0 to 3, while the total score range from 0 to 27. The PHQ-9 score can be divided into the following categories of increasing severity: minimal (0-4), mild (5-9), moderate (10-14), moderately severe (15-19), and severe (20-27). Kroenke K et al. 2001 (PubMED ID: 11556941)

Search for all PHQ-9 variables within this dataset

Domain
phqsev
  • 0: 0
  • 1: 1
  • 2: 2
  • 3: 3
  • 4: 4
Type
choices
Patient Health Questionnaire 9: Depression severity category vs Visit number
Baseline Follow-up
Total 318 301
0 170 191
1 88 77
2 41 24
3 14 8
4 5 1
Patient Health Questionnaire 9: Depression severity category vs Treatment Arm
Baseline
Healthy Lifestyles and Sleep Education - control arm (HLSE) Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) Total
Total 106 106 106 318
0 48 64 58 170
1 34 25 29 88
2 17 10 14 41
3 5 4 5 14
4 2 3 - 5
Patient Health Questionnaire 9: Depression severity category vs Treatment Arm
Follow-up
Healthy Lifestyles and Sleep Education - control arm (HLSE) Healthy Lifestyles and Sleep Education + (supplemental nocturnal) Oxygen - oxygen arm (HLSE-O) Healthy Lifestyles and Sleep Education + Positive airway pressure treatment - CPAP arm (HLSE-P) Total
Total 100 101 100 301
0 50 67 74 191
1 36 24 17 77
2 12 7 5 24
3 2 2 4 8
4 - 1 - 1
Patient Health Questionnaire 9: Depression severity category vs Age category
Baseline
45-54 years 55-64 years 65 years or older Total
Total 53 139 126 318
0 23 65 82 170
1 14 45 29 88
2 8 20 13 41
3 7 6 1 14
4 1 3 1 5
Patient Health Questionnaire 9: Depression severity category vs Age category
Follow-up
45-54 years 55-64 years 65 years or older Total
Total 49 127 124 300
0 27 71 93 191
1 13 39 24 76
2 7 12 5 24
3 2 4 2 8
4 - 1 - 1
Patient Health Questionnaire 9: Depression severity category vs Gender of the participant
Baseline
Female Male Total
Total 84 234 318
0 42 128 170
1 26 62 88
2 13 28 41
3 2 12 14
4 1 4 5
Patient Health Questionnaire 9: Depression severity category vs Gender of the participant
Follow-up
Female Male Total
Total 79 222 301
0 53 138 191
1 20 57 77
2 6 18 24
3 - 8 8
4 - 1 1
Patient Health Questionnaire 9: Depression severity category vs Race of the participant
Baseline
White American Indian or Alaskan Native Black or African American Asian Native Hawaiian or other Pacific islander Other Multiple Total
Total 256 2 43 6 1 4 5 317
0 134 2 26 4 1 1 1 169
1 71 - 10 2 - 2 3 88
2 36 - 5 - - - - 41
3 10 - 2 - - 1 1 14
4 5 - - - - - - 5
Patient Health Questionnaire 9: Depression severity category vs Race of the participant
Follow-up
White American Indian or Alaskan Native Black or African American Asian Native Hawaiian or other Pacific islander Other Multiple Total
Total 241 2 41 6 1 3 5 299
0 151 2 27 4 1 2 3 190
1 62 - 12 1 - - 1 76
2 19 - 2 1 - 1 1 24
3 8 - - - - - - 8
4 1 - - - - - - 1