Table 1 Descriptive statistics for the PROMIS early childhood physical activity scale among children aged 1–2 years
From: Validity of the PROMIS® Early Childhood Physical Activity Scale among toddlers
Test (n = 72) | Retest (n = 74) | |||||||
|---|---|---|---|---|---|---|---|---|
Item | Mean ± SD | Median (IQR) | Floor,a % | Ceiling,a % | Mean ± SD | Median (IQR) | Floor,a % | Ceiling,a % |
1. How many days did your child so physically active that he/she sweated? | 1.9 ± 1.3 | 1 (1, 3) | 58 | 6 | 1.8 ± 1.0 | 1 (1, 3) | 54 | 1 |
2. How many days did your child play so hard that he/she got physically exhausted? | 2.4 ± 1.2 | 2.5 (1, 3) | 31 | 4 | 2.4 ± 1.1 | 3 (1, 3) | 32 | 1 |
3. How many days did your child play so hard that he/she fell asleep early? | 1.9 ± 0.9 | 2 (1, 3) | 42 | 0 | 1.7 ± 0.9 | 1 (1, 2) | 51 | 0 |
4. How many days did your child play so hard that he/she needed an extra or longer nap? | 2.0 ± 0.9 | 2 (1, 3) | 43 | 0 | 1.9 ± 0.9 | 2 (1, 3) | 42 | 1 |
5. How many days did your child play so hard that he/she felt tired? | 2.7 ± 1.4 | 3 (2, 3) | 22 | 10 | 2.6 ± 1.2 | 2 (1, 3) | 22 | 7 |
6. How many days did your child do vigorous physical activities for 30 min or more? | 2.7 ± 1.4 | 3 (1, 4) | 29 | 13 | 3.0 ± 1.4 | 3 (2, 4) | 22 | 16 |
7. On a usual day, how physically active was your child? | 4.2 ± 0.8 | 4 (4, 5) | 0 | 35 | 3.9 ± 0.7 | 4 (4, 4) | 0 | 18 |
PROMIS EC PA items 1–5 summed score | 10.9 ± 3.5 | 11.5 (8.5, 13.0) | 11 | 0 | 10.4 ± 3.4 | 10 (9, 13) | 14 | 0 |