Table III.

Bivariate associations between the primary outcome, sociodemographic, and medical variables.

Parents' Perception of Uncertainty in Illness Scale
	Total Scale		Subscales
	Uncertainty		Ambiguity		Lack of clarity
ANOVA	F (d.f)	p value	F (d.f)	p value	F (d.f)	p value
Time elapsed since child identified as sick (0–5y vs. 6+y)	4.287 (1)	0.040	2.397 (1)	0.123	3.037 (1)	0.083
Number of undiagnosed children (1 – 4)	1.544 (3)	0.204	0.648 (3)	0.585	1.463 (3)	0.023
Pearson correlation	Coefficient	p value	Coefficient	p value	Coefficient	p value
Perceived personal control	−0.394	<0.001	−0.319	<0.001	−0.389	<0.001
Dispositional optimism	−0.209	0.001	−0.254	<0.001	−0.222	0.001
Disease severity	0.188	0.006	0.272	<0.001	0.061	0.380

Statistically significant associations (p≤0.05) are bold