Table 4.
Factorial distribution of seafarers' distress symptoms before treatment.
| Symptoms (descending order of factorial weights) | Factorial weight | |||
|---|---|---|---|---|
| (1) Mental | (2) Dyspeptic | (3) Respiratory | (4) Asthenia | |
| Symptoms more related to factor 1 | ||||
| Anxiety | 0.806 | |||
| Depression | 0.730 | |||
| Sleep disturbances | 0.500 | 0.462 | ||
|
| ||||
| Symptoms more related to factor 2 | ||||
| Intestinal problems | 0.865 | |||
| Pain | 0.547 | |||
| Lack of concentration | 0.499 | |||
|
| ||||
| Symptoms more related to factor 3 | ||||
| Shortness of breath | 0.776 | |||
| Nausea | 0.761 | |||
| Cough | 0.481 | |||
|
| ||||
| Symptoms more related to factor 4 | ||||
| Lack of appetite | 0.879 | |||
| Fatigue | 0.413 | |||
|
| ||||
| Eigen value | 1.73 | 1.70 | 1.62 | 1.23 |
| Percentage of the variance explained | 15.75 | 15.52 | 14.76 | 11.19 |
| Min | −1.6149 | −1.5174 | −2.0484 | −2.0169 |
| Max | 4.5899 | 6.8986 | 6.0918 | 6.3526 |
| Percentage of negative values | 67.3 | 64.8 | 81.0 | 73.5 |
| Percentage of positive values | 32.7 | 35.2 | 19.0 | 26.5 |