Table 1. Prevalence of common mental disorder symptoms in SRQ-20 scales, overall and according to the results of LCA and joint CFA-cluster analysis, Salvador, Brazil.
| Scale/categories | Overall (%) | CFA | LCA | ||
|---|---|---|---|---|---|
| % suspect | % not suspect | % suspect | % not suspect | ||
| Depressive/anxious | (n=785) | (n=262) | (n=530) | (n=517) | |
| Feel nervous, tense or worried | 75.0 | 100.00 | 0.00 | 93.8 | 56.7 |
| Easily frightened | 55.3 | 62.93 | 32.44 | 74.1 | 37.0 |
| Feel unhappy | 52.2 | 62.29 | 22.14 | 92.1 | 13.4 |
| Cry more than usual | 25.4 | 31.08 | 8.40 | 50.3 | 1.10 |
| Somatic symptoms | (n=316) | (n=731) | (n=401) | (n=646) | |
| Often have headaches | 49.4 | 78.80 | 36.36 | 76.7 | 30.1 |
| Sleep badly | 41.7 | 71.84 | 28.73 | 70.6 | 21.3 |
| Uncomfortable feelings in the stomach | 31.3 | 83.86 | 8.62 | 63.2 | 8.80 |
| Poor digestion | 23.0 | 67.09 | 3.97 | 48.5 | 5.10 |
| Poor appetite | 34.7 | 62.97 | 22.44 | 61.4 | 15.8 |
| Hands shake | 24.4 | 50.00 | 13.27 | 44.7 | 10.0 |
| Reduced vital energy | (n=385) | (n=662) | (n=385) | (n=662) | |
| Easily tired | 35.9 | 83.38 | 8.31 | 78.7 | 11.2 |
| Difficult to make decisions | 32.1 | 60.26 | 15.71 | 60.1 | 15.9 |
| Difficult to enjoy your daily activities | 33.1 | 64.16 | 15.11 | 64.7 | 14.9 |
| Daily work suffering | 14.2 | 31.43 | 4.23 | 32.0 | 4.00 |
| Feel tired all the time | 41.1 | 85.19 | 15.41 | 81.6 | 17.6 |
| Trouble thinking clearly | 26.9 | 53.51 | 11.48 | 53.8 | 11.4 |
| Depressive thoughts | (n=351) | (n=696) | (n=150) | (n=897) | |
| Unable to play a useful part | 11.1 | 33.05 | 0.00 | 94.6 | 63.3 |
| Lost interest in things | 23.7 | 70.66 | 0.00 | 88.4 | 21.9 |
| Thought of ending your life | 7.2 | 21.37 | 0.00 | 98.4 | 67.6 |
| Feel that you are a worthless person | 12.4 | 37.04 | 0.00 | 97.4 | 56.5 |
CFA = correspondence factor analysis; LCA = latent class analysis; SRQ-20 = Self Reporting Questionnaire.