Table 4.

Agreement of Each Item on the OMQ Scale, Scored by Paediatric Physical Therapists for Video-Recorded Children, Using a 5-Point Likert Scale

Item	Median (range)	Weighted κ* (95% CI)	Mean (range)
			Po	Po total†
1. Appropriate fine motor movements	3 (1–5)	0.35 (0.23, 0.48)	0.52 (0.32–0.61)	0.88 (0.68–1.0)
2. Appropriate gross motor movements	3 (1–5)	0.34 (0.21, 0.46)	0.44 (0.39–0.57)	0.91 (0.75–1.0)
3. Fluency of movements	3 (1–5)	0.24 (0.12, 0.36)	0.45 (0.32–0.57)	0.88 (0.79–0.93)
4. Reduced muscle tone	3 (1–5)	0.54 (0.40, 0.68)	0.58 (0.32–0.82)	0.89 (0.50–1.0)
5. Increased muscle tone	5 (1–5)	0.31 (0.05, 0.57)	0.72 (0.36–0.1)	0.90 (0.68–1.0)
6. Tremors	5 (3–5)	0.07 (–0.07, 0.20)	0.94 (0.86–1.0)	0.99 (0.96–1.0)
7. Slow and/or delayed movements	4 (1–5)	0.42 (0.17, 0.67)	0.52 (0.36–0.89)	0.82 (0.64–1.0)
8. Accelerated and/or abrupt movements	5 (2–5)	0.14 (0.04, 0.24)	0.65 (0.43–1.0)	0.87 (0.75–1.0)
9. Asymmetry in movements	4 (1–5)	0.40 (0.09, 0.72)	0.56 (0.43–0.79)	0.90 (0.89–1.0)
10. Accuracy (well-aimed)	3 (1–5)	0.26 (0.17, 0.36)	0.53 (0.39–0.82)	0.94 (0.82–1.0)
11. Strength regulation	3 (1–5)	0.28 (0.19, 0.37)	0.45 (0.39–0.53)	0.93 (0.82–1.0)
12. Variation in movements	3 (1–5)	0.27 (0.13, 0.42)	0.42 (0.32–0.46)	0.91 (0.82–1.0)
13. Involuntary movements	4 (1–5)	0.19 (0.01, 0.37)	0.53 (0.39–0.85)	0.86 (0.75–0.96)
14. Automated movements	3 (1–5)	0.29 (0.17, 0.41)	0.49 (0.39–0.61)	0.90 (0.82–0.96)
15. Stereotype movements	5 (1–5)	0.31 (0.03, 0.59)	0.71 (0.50–0.92)	0.91 (0.81–1.0)

^*Linear weighting.

^†Agreement of a 1-point scoring difference on the Likert scale (a score of 1 point higher or lower).

OMQ=Observable Movement Quality; P_o=proportion of observed agreement.