Table 2.
Factor structure and reliability estimates
| ISS-HIV symptom scales Items | Loadings | % Variance | Chronbach’s α |
|---|---|---|---|
| Factor 1: Pain/general discomfort (7 items) | 16.25 | 0.86 | |
| Pain in the head or feet | 0.769 | ||
| Aching muscles | 0.691 | ||
| Abnormal accumulation of fat | 0.681 | ||
| Abdominal bloating | 0.563 | ||
| Sweating | 0.513 | ||
| Impaired vision | 0.498 | ||
| Headache | 0.475 | ||
| Factor 2: Depression, anxiety (4 items) | 16.03 | 0.87 | |
| Feeling sad | 0.817 | ||
| Worrying | 0.758 | ||
| Feeling anxious and nervous | 0.718 | ||
| Sleep problems | 0.574 | ||
| Factor 3: Emotional reaction/psychological distress (5 items) | 13.08 | 0.83 | |
| Memory problems | 0.739 | ||
| Coughing | 0.692 | ||
| Shortness of breath | 0.608 | ||
| Difficulty in concentrating | 0.591 | ||
| Tiredness | 0.488 | ||
| Factor 4: Gastrointestinal discomfort (4 items) | 10.02 | 0.70 | |
| Weight loss | 0.715 | ||
| Lack of appetite | 0.702 | ||
| Diarrhoea | 0.656 | ||
| Heartburn | 0.508 | ||
| Factor 5: Sexual discomfort (2 items) | 9.58 | 0.91 | |
| Decrease of sexual interest | 0.790 | ||
| Problem with sexual activity | 0.758 |