Table 2.
Internal consistency reliability estimates of the QOL-CHAI instrument for children living with HIV (n = 199).a
| Scale | Items | Cronbach’s α | Correlation of item with total scale score | Cronbach’s α following deletion of item |
|---|---|---|---|---|
| Physical functioning | It was difficult for me to walk 8–10 minutes at a stretch | 0.82 | 0.52 | 0.80 |
| I had difficulty running | 0.62 | 0.78 | ||
| I had difficulty playing or exercising | 0.69 | 0.77 | ||
| I had difficulty lifting heavy objects | 0.52 | 0.80 | ||
| It was hard for me to bathe by myself | 0.44 | 0.81 | ||
| It was hard for me to do housework | 0.55 | 0.79 | ||
| I had body pain, ache, or discomfort | 0.46 | 0.81 | ||
| I felt weak | 0.50 | 0.80 | ||
| Emotional functioning | I felt afraid | 0.79 | 0.53 | 0.76 |
| I felt sad or depressed | 0.65 | 0.73 | ||
| I felt angry | 0.49 | 0.78 | ||
| I had difficulty sleeping | 0.60 | 0.74 | ||
| I felt worried about what would happen to me | 0.57 | 0.75 | ||
| Social functioning | I had trouble getting along with friends | 0.85 | 0.71 | 0.81 |
| Other boys/girls did not want to be friends with me | 0.68 | 0.81 | ||
| Other boys/girls made fun of me | 0.65 | 0.82 | ||
| I could not do things that my friends could do | 0.62 | 0.83 | ||
| I could not keep up with friends while playing | 0.64 | 0.83 | ||
| School functioning | I could not pay attention in class | 0.76 | 0.67 | 0.67 |
| I forgot many things | 0.54 | 0.72 | ||
| I had difficulty in keeping up with my studies | 0.49 | 0.74 | ||
| I missed school because of being sick | 0.49 | 0.74 | ||
| I missed school in order to visit doctor/hospital | 0.48 | 0.74 | ||
| Symptoms | Fever | 0.69 | 0.46 | 0.65 |
| Common cold | 0.34 | 0.66 | ||
| Weight loss, emaciation | 0.41 | 0.66 | ||
| Diarrhea, loose stools | 0.33 | 0.67 | ||
| Pain in the limbs | 0.21 | 0.68 | ||
| Headache | 0.24 | 0.68 | ||
| Skin rash, itchy lesions, sores/ulcers | 0.17 | 0.68 | ||
| Vomiting, nausea | 0.33 | 0.67 | ||
| Ear discharge, hearing difficulties | 0.04 | 0.70 | ||
| Loss of appetite | 0.18 | 0.68 | ||
| Abdominal pain | 0.32 | 0.67 | ||
| Jaundice, yellowish discoloration of eyes | 0.10 | 0.69 | ||
| Dizziness | 0.19 | 0.68 | ||
| Throat swelling, sore throat | 0.33 | 0.67 | ||
| Abdominal distension | 0.24 | 0.68 | ||
| Shortness of breath, wheezing | 0.30 | 0.67 | ||
| Tingling sensation/numbness in limbs | 0.25 | 0.67 | ||
| Oral ulcer | 0.42 | 0.66 | ||
| Discrimination | The staff at hospital/health facilities were rude to meb | 0.62c | 0.03 | 0.70 |
| Doctors were rude to me | 0.04 | 0.69 | ||
| I was not allowed admission to school/private tutorial institutionb | 0.60 | 0.48 | ||
| I was made to sit separately in school/private tutorial institution | 0.54 | 0.50 | ||
| Other boys/girls refused to play with me | 0.53 | 0.50 | ||
| People in the neighborhood did not allow their kids to play with me | 0.48 | 0.52 |
QOL-CHAI: quality of life (health-related) of children living with HIV/AIDS in India.
Observations with missing values excluded as applicable.
These two items were deleted from the scale.
Cronbach’s α of discrimination scale following deletion of two items = 0.8.