Table 8.
Cronbach alpha coefficient for the Experience of Caregiving Inventory (ECI) (Szmukler et al., 1996), the Adult Sibling Relationship Questionnaire (ASRQ) (Stocker et al., 1997).
Experience of caregiving items | Study sample | Szmukler et al., 1996 |
---|---|---|
α | α | |
Difficult behaviors | 0.91 | 0.91 |
Negative symptoms | 0.91 | 0.89 |
Stigma | 0.87 | 0.82 |
Problems with services | 0.88 | 0.90 |
Effects on family | 0.82 | 0.82 |
Need to back up | 0.72 | 0.76 |
Dependency | 0.80 | 0.74 |
Loss | 0.85 | 0.79 |
Positive personal experiences | 0.88 | 0.86 |
Good aspects of the relationship | 0.83 | 0.82 |
Sibling relationship items | Study sample | Stocker et al., 1997 |
α | α | |
Warmth | 0.98 | 0.97 |
Acceptance | 0.93 | 0.88 |
Admiration | 0.94 | 0.83 |
Affection | 0.94 | 0.92 |
Emotional support | 0.94 | 0.90 |
Intimacy | 0.95 | 0.92 |
Instrumental support | 0.82 | 0.76 |
Knowledge | 0.90 | 0.88 |
Similarity | 0.90 | 0.83 |
Conflict | 0.92 | 0.93 |
Antagonism | 0.88 | 0.90 |
Competition | 0.72 | 0.85 |
Dominance | 0.79 | 0.74 |
Quarreling | 0.87 | 0.86 |
Rivalry | 0.91 | 0.88 |
Maternal rivalry | 0.92 | 0.85 |
Paternal rivalry | 0.95 | 0.89 |
WHOQol- Bref domains | Study sample | World Health Organisation [WHO], 1998 |
α | α | |
Physical domain | 0.70 | 0.68–0.74 |
Psychological domain | 0.79 | 0.79–0.80 |
Social domain | 0.79 | 0.68–0.70 |
Environment domain | 0.79 | 0.84–0.87 |