TABLE 3.
Parameter estimates and latent factor correlations for bifactor model.
Sample one (N = 894) |
Sample two (N = 589) |
|||||||
Item | General | Factor 1 | Factor 2 | Factor 3 | General | Factor 1 | Factor 2 | Factor 3 |
Depression | ||||||||
3. I couldn’t seem to experience any positive feeling at all | 0.635** | 0.592** | 0.203* | 0.154 | 0.588** | 0.438** | 0.141 | 0.016 |
5. I found it difficult to work up the initiative to do things | 0.762** | 0.587** | 0.115 | 0.178 | 0.417** | 0.734** | 0.108 | 0.047 |
10. I felt that I had nothing to look forward to | 0.738** | 0.571** | 0.182 | 0.192 | 0.716** | 0.564** | 0.084 | 0.095 |
13. I felt down-hearted and blue | 0.529** | 0.491** | 0.221* | 0.144 | 0.513** | 0.457** | 0.027 | 0.104 |
16. I was unable to become enthusiastic about anything | 0.407** | 0.753** | 0.134 | 0.117 | 0.421** | 0.714** | 0.039 | 0.029 |
17. I felt I wasn’t worth much as a person | 0.866** | 0.581** | 0.216* | 0.191 | 0.748** | 0.627** | 0.326** | 0.007 |
21. I felt that life was meaningless | 0.467** | 0.421** | 0.156 | 0.147 | 0.492** | 0.449** | 0.109 | 0.061 |
Anxiety | ||||||||
2. I was aware of dryness of my mouth | 0.395** | 0.142 | 0.799** | 0.187 | 0.387** | 0.055 | 0.781** | 0.129 |
4. I experienced breathing difficulty (e.g., excessively rapid breathing, breathlessness in the absence of physical exertion) | 0.554** | 0.217* | 0.451** | 0.105 | 0.729** | 0.031 | 0.477** | 0.131 |
7. I experienced trembling (e.g., in the hands) | 0.836** | 0.157 | 0.468** | 0.114 | 0.691** | 0.112 | 0.492** | 0.321** |
9. I was worried about situations in which I might panic and make a fool of myself | 0.789** | 0.216* | 0.491** | 0.141 | 0.407** | 0.131 | 0.768** | 0.094 |
15. I felt I was close to panic | 0.637** | 0.176 | 0.573** | 0.186 | 0.583** | 0.008 | 0.524** | 0.092 |
19. I was aware of the action of my heart in the absence of physical exertion (e.g., sense of heart rate increase, heart missing a beat) | 0.731** | 0.234* | 0.474** | 0.193 | 0.631** | 0.004 | 0.451** | 0.004 |
20. I felt scared without any good reason | 0.622** | 0.128 | 0.582** | 0.139 | 0.604** | 0.067 | 0.575** | 0.055 |
Stress | ||||||||
1. I found it hard to wind down | 0.655** | 0.151 | 0.163 | 0.508** | 0.587** | 0.008 | 0.117 | 0.523** |
6. I tended to over-react to situations | 0.851** | 0.127 | 0.238* | 0.487** | 0.381** | 0.044 | 0.154 | 0.806** |
8. I felt that I was using a lot of nervous energy | 0.634** | 0.128 | 0.127 | 0.492** | 0.639** | 0.151 | 0.329** | 0.568** |
11. I found myself getting agitated | 0.722** | 0.215* | 0.121 | 0.495** | 0.722** | 0.118 | 0.008 | 0.463** |
12. I found it difficult to relax | 0.836** | 0.142 | 0.133 | 0.528** | 0.546** | 0.136 | 0.087 | 0.507** |
14. I was intolerant of anything that kept me from getting on with what I was doing | 0.402** | 0.169 | 0.227* | 0.852** | 0.382** | 0.071 | 0.112 | 0.794** |
18. I felt that I was rather touchy | 0.766** | 0.111 | 0.172 | 0.464** | 0.654** | 0.035 | 0.061 | 0.448** |
Latent Correlations | ||||||||
General | 0.780** | 0.752** | 0.803** | 0.713** | 0.648** | 0.761** | ||
Depression | 0.518** | 0.585** | 0.487** | 507** | ||||
Anxiety | 0.570** | 0.494** |
Values in bold indicate highest loading on that factor. Values underlined are interpreted as a factor. General, General Factor; Factor 1, Depression; Factor 2, Anxiety; Factor 3, Stress; See Lovibond and Lovibond (1995) for DASS-21 publication manual. *p < 0.05; **p < 0.01.