Table 1 Standardized factor loadings of the 6-items of the depressive symptoms scale
From: Measurement invariance of the depressive symptoms scale during adolescence
Single-factor model | Two-factor model | Three-factor model | ||||
|---|---|---|---|---|---|---|
Items | I | I | II | I | II | III |
1. Felt too tired to do things | .37/.63/.66 | .54/.74/.81 | .54/.74/.82 | |||
2. Had trouble going to sleep or staying asleep | .35/.60/.57 | .50/.70/.69 | .51/.71/.70 | |||
3. Felt unhappy, sad, or depressed | .62/.81/81 | .62/.81/.81 | .68/.87/.87 | |||
4. Felt hopeless about the future | .60/.76/.71 | .60/.77/.72 | .66/.81/.75 | |||
5. Felt nervous or tense | .58/.73/.82 | .59/.73/.82 | .70/.78/.84 | |||
6. Worried too much about things | .74/.81/.86 | .75/.81/.87 | .81/.88/.90 | |||