Score distribution and internal consistency of TAPQOL scales in 410 children: 92 infants aged 2–12 months and 318 toddlers aged 12–48 months
| TAPQOL scales | Population (n = 410) | Mean (SD) | Range | % min* | % max† | Median | Cronbach’s alpha‡ |
|---|---|---|---|---|---|---|---|
| *Respondents with the worst possible score. | |||||||
| †Respondents with the best possible score. | |||||||
| ‡Average alpha (total group) of the 12 scales is 0.77. | |||||||
| §Only for children aged 18 months or older (n = 264). | |||||||
| NA, not applicable. | |||||||
| Sleeping | Total | 79.4 (19.0) | 13–100 | 0.0 | 29.4 | 81.3 | 0.89 |
| Infants | 82.1 (18.5) | 31–100 | 0.0 | 37.4 | 87.5 | 0.88 | |
| Toddlers | 78.6 (19.1) | 13–100 | 0.0 | 27.1 | 81.3 | 0.89 | |
| Appetite | Total | 84.1 (13.9) | 33–100 | 0.0 | 30.4 | 83.3 | 0.79 |
| Infants | 91.9 (10.7) | 58–100 | 0.0 | 55.6 | 100 | 0.70 | |
| Toddlers | 81.9 (14.0) | 33–100 | 0.0 | 23.2 | 83.3 | 0.78 | |
| Lung problems | Total | 91.9 (16.5) | 0–100 | 0.3 | 73.4 | 100 | 0.81 |
| Infants | 89.1 (17.2) | 42–100 | 0.0 | 62.9 | 100 | 0.80 | |
| Toddlers | 92.7 (16.2) | 0–100 | 0.3 | 76.4 | 100 | 0.82 | |
| Stomach problems | Total | 91.6 (13.2) | 42–100 | 0.0 | 63.3 | 100 | 0.47 |
| Infants | 90.3 (14.1) | 42–100 | 0.0 | 58.0 | 100 | 0.46 | |
| Toddlers | 91.9 (12.9) | 50–100 | 0.0 | 64.8 | 100 | 0.53 | |
| Skin problems | Total | 91.4 (12.3) | 17–100 | 0.0 | 48.0 | 91.7 | 0.77 |
| Infants | 92.6 (10.3) | 50–100 | 0.0 | 45.6 | 91.7 | 0.73 | |
| Toddlers | 91.0 (12.8) | 17–100 | 0.0 | 48.7 | 91.7 | 0.78 | |
| Motor functioning | Total | 97.8 (8.5) | 25–100 | 0.0 | 86.7 | 100 | 0.89 |
| Infants | NA | NA | NA | NA | NA | NA | |
| Toddlers§ | 97.8 (8.5) | 25–100 | 0.0 | 86.7 | 100 | 0.89 | |
| Problem behaviour | Total | 73.0 (16.9) | 14–100 | 0.0 | 10.8 | 71.4 | 0.81 |
| Infants | 87.3 (12.7) | 57–100 | 0.0 | 34.4 | 85.7 | 0.73 | |
| Toddlers | 68.9 (15.6) | 14–100 | 0.0 | 4.1 | 71.4 | 0.78 | |
| Social functioning | Total | 91.8 (15.3) | 33–100 | 0.0 | 70.8 | 100 | 0.69 |
| Infants | NA | NA | NA | NA | NA | NA | |
| Toddlers§ | 91.8 (15.3) | 33–100 | 0.0 | 70.8 | 100 | 0.69 | |
| Communication | Total | 89.4 (12.7) | 31–100 | 0.0 | 41.6 | 93.8 | 0.81 |
| Infants | NA | NA | NA | NA | NA | NA | |
| Toddlers§ | 89.4 (12.7) | 31–100 | 0.0 | 41.6 | 93.8 | 0.81 | |
| Positive mood | Total | 97.7 (10.4) | 0–100 | 0.2 | 94.4 | 100 | 0.92 |
| Infants | 97.6 (10.4) | 50–100 | 0.0 | 94.5 | 100 | 0.97 | |
| Toddlers | 97.7 (10.4) | 0–100 | 0.3 | 94.3 | 100 | 0.91 | |
| Anxiety | Total | 77.4 (18.7) | 0–100 | 0.2 | 27.9 | 100 | 0.62 |
| Infants | 83.1 (17.8) | 33–100 | 0.0 | 41.1 | 83.3 | 0.56 | |
| Toddlers | 75.8 (18.6) | 0–100 | 0.3 | 24.2 | 83.3 | 0.63 | |
| Liveliness | Total | 96.0 (12.3) | 0–100 | 0.2 | 88.3 | 100 | 0.76 |
| Infants | 96.0 (10.9) | 50–100 | 0.0 | 85.7 | 100 | 0.58 | |
| Toddlers | 96.1 (12.7) | 0–100 | 0.3 | 89.0 | 100 | 0.80 | |