Table 3. Comparisons of the characteristics between the three clusters.

	Cluster 1 ‘Conscious tilters’ (n = 24)	Cluster 2 ‘Unconscious tilters’ (n = 71)	Cluster 3 ‘Non-tilters’ (n = 130)	dif 1	dif 2	F	est. ω2
Psychometric characteristic	M (SD)	M (SD)	M (SD)
OPTS-9	15.79 (7.04) 2,3	11.32 (3.85) 1,3	2.99 (2.19) 1,2	2	50.55	170.74*	.60
Perceived tilting	3.83 (1.13) 2,3	1 (.68) 1,3	.28 (.50) 1,2	2	53.04	134.89*	.54
PGSI	9 (6.95) 2,3	4.76 (4.88) 1,3	1.02 (1.55) 1,2	2	47.95	34.19*	.25
SUPPS-P	47.96 (7.50) 2,3	43.45 (6.51) 1,3	39.61 (6.56) 1,2	2	222	19.53*	.14
PGS	20.04 (7.20)	19.90 (6.00)	17.76 (6.86)	2	222	2.60

* p < .001.

^{1, 2, 3} Representative of cluster that is significantly different (p < .05).