Table 3.

Item-level factor loadings resulting from pooled exploratory factor analysis for PHQ-9 and EPDS^a

Scale and Item	Somatization	Anxiety and Depression	Depressed Mood & Suicidal Ideation	Anhedonia
PHQ-9
1. Little interest or pleasure in doing things.	0.74	0.10	−0.01	0.13
2. Feeling down, depressed, or hopeless.	0.58	0.32	0.22	0.22
3. Trouble falling or staying asleep, or sleeping too much.	0.67	0.13	0.10	0.07
4. Feeling tired or having little energy.	0.78	0.17	0.02	0.01
5. Poor appetite or overeating.	0.61	0.05	0.07	−0.02
6. Feeling bad about yourself, or that you are a failure, or have let yourself or your family down.	0.32	0.31	0.43	0.19
7. Trouble concentrating on things, such as reading the newspaper or watching television.	0.43	0.16	0.28	0.26
8. Moving or speaking so slowly that other people could have noticed. Or the opposite –being so fidgety or restless that you have been moving around a lot more than usual.	0.66	0.11	0.14	0.08
9. Thoughts that you would be better off dead, or of hurting yourself in some way.	0.14	0.13	0.78	0.09
EPDS
1. I have been able to laugh and see the funny side of things.	0.16	0.13	0.11	0.82
2. I have looked forward with enjoyment to things.	0.07	0.20	0.18	0.79
3. I have blamed myself unnecessarily when things went wrong.	0.10	0.59	0.34	0.08
4. I have been anxious or worried for no good reason.	0.16	0.67	0.13	0.11
5. I have felt scared or panicky for no very good reason.	0.15	0.68	0.15	0.02
6. Things have been getting on top of me.	0.18	0.64	−0.05	0.16
7. I have been so unhappy. I have had difficulty sleeping.	0.15	0.41	0.39	0.30
8. I have felt sad and miserable.	0.05	0.52	0.52	0.16
9. I have been so unhappy that I have been crying.	0.22	0.50	0.52	0.22
10. The thought of harming myself has occurred to me.	0.04	0.08	0.81	0.07

^aAll items from both scales are analyzed in the same factor analysis. Factor loadings > 0.4 are in bold.