Table 5.
Factorial distribution of seafarers' distress symptoms after treatment.
| Symptoms (descending order of factorial weights) | Factorial weight | |||
|---|---|---|---|---|
| (1) Dyspeptic | (2) Mental | (3) Respiratory | (4) Asthenia | |
| Symptoms more related to factor 1 | ||||
| Nausea | 0.781 | |||
| Vomiting | 0.719 | |||
| Pain | 0.515 | 0.406 | ||
| Sleep disturbances | 0.467 | |||
|
| ||||
| Symptoms more related to factor 2 | ||||
| Lack of concentration | 0.833 | |||
| Intestinal problems | 0.735 | |||
|
| ||||
| Symptoms more related to factor 3 | ||||
| Cough | 0.836 | |||
| Fatigue | 0.778 | |||
|
| ||||
| Symptoms more related to factor 4 | ||||
| Lack of appetite | 0.832 | |||
| Shortness of breath | 0.651 | |||
|
| ||||
| Eigen value | 1.70 | 1.51 | 1.41 | 1.29 |
| Percentage of the variance explained | 17.06 | 15.15 | 14.13 | 12.9 |
| Min | −0.8572 | −1.5750 | −1.4881 | −1.4396 |
| Max | 9.1293 | 7.0946 | 4.4552 | 6.1276 |
| Percentage of negative values | 72.0 | 76.0 | 64.0 | 73.7 |
| Percentage of positive values | 28.0 | 24.0 | 36.0 | 23.3 |