Table 4 Internal consistency (Cronbach’s alpha) of the (sub) scales

0–1 years old

Sleeping

4

227

.85

Appetite

3

227

.80

Lungs

3

227

.68

Stomach

3

227

.39^b

Skin

3

227

.73

Motor functioning^a

4

58

.90

Social functioning^a

3

58

.76

Problem behavior

7

227

.78

Communication^a

4

58

.88

Anxiety

3

227

.60

Positive mood

3

227

.92

Liveliness

3

227

.88

PedsQL 4.0

2–4 years old

Total score

21

293

.88

Psychosocial health

13

293

.84

Physical health

8

293

.80

Emotional functioning

5

293

.78

Social functioning

5

293

.78

School functioning

3

293

.60

PedsQL 4.0

5–7 years old

Total score

23

274

.90

Physical health

8

274

.82

Psychosocial health

15

274

.89

Emotional functioning

5

274

.81

Social functioning

5

274

.82

School functioning

5

274

.76