Table 4.
The values of α, factor loadings, floor, ceiling effects of weighted impact score for items of ADDQoL for patients with diabetes
| Domains | Type 1 diabetes (n = 115) |
Type 2 diabetes (n = 215) |
||||||
|---|---|---|---|---|---|---|---|---|
| α | FL | FE | CE | α | FL | FE | CE | |
| Cronbach’s α | 0.92 | – | – | – | 0.93 | – | – | – |
| Cronbach’s α with deleted item: | 0.92 | – | – | – | 0.93 | – | – | – |
| Leisure activities | 0.91 | 0.766 | 3.48 | 0.87 | 0.92 | 0.701 | 5.58 | 0 |
| Working life | 0.91 | 0.753 | 4.35 | 0 | 0.92 | 0.779 | 5.58 | 0 |
| Journeys | 0.91 | 0.772 | 4.35 | 0 | 0.92 | 0.736 | 4.65 | 0 |
| Holidays | 0.91 | 0.759 | 4.35 | 0 | 0.92 | 0.807 | 5.58 | 0 |
| Physical health | 0.92 | 0.703 | 8.70 | 0 | 0.92 | 0.719 | 5.58 | 0 |
| Family life | 0.92 | 0.704 | 4.35 | 0 | 0.92 | 0.765 | 4.19 | 0 |
| Friendship and social life | 0.92 | 0.693 | 3.48 | 0 | 0.92 | 0.652 | 2.33 | 0 |
| Personal relationship | 0.92 | 0.714 | 6.09 | 0 | 0.92 | 0.728 | 5.58 | 0 |
| Sex life | 0.92 | 0.512 | 5.22 | 0 | 0.92 | 0.713 | 6.98 | 0.47 |
| Physical appearance | 0.92 | 0.538 | 5.22 | 0 | 0.92 | 0.695 | 7.91 | 0 |
| Self-confidence | 0.92 | 0.723 | 6.09 | 0 | 0.92 | 0.801 | 6.51 | 0 |
| Motivation | 0.91 | 0.790 | 3.48 | 0 | 0.92 | 0.708 | 5.58 | 0 |
| People’s reactions | 0.92 | 0.646 | 2.61 | 0 | 0.92 | 0.656 | 1.86 | 0 |
| Feelings about future | 0.92 | 0.636 | 9.57 | 0 | 0.92 | 0.520 | 8.37 | 0 |
| Financial situation | 0.92 | 0.720 | 3.48 | 0 | 0.92 | 0.595 | 2.33 | 0 |
| Living conditions | 0.92 | 0.554 | 1.74 | 0 | 0.93 | 0.487 | 2.79 | 0 |
| Dependence on others | 0.92 | 0.392 | 8.70 | 0.87 | 0.92 | 0.584 | 6.05 | 0 |
| Freedom to eat | 0.92 | 0.490 | 9.57 | 0 | 0.93 | 0.418 | 10.23 | 0 |
| Freedom to drink | 0.92 | 0.477 | 10.43 | 0 | 0.93 | 0.346 | 8.37 | 0 |
| % variance | – | 43.5% | – | – | – | 44.3% | – | – |
α Cronbach’s α, FL factor loading, FE floor effect (%), CE ceiling effect (%)