Thinking about worry: A systematic review and meta-analysis on the assessment of metacognitions in children and adolescents

Table 3 Summary of results for random effect models for meta-analysis on correlational coefficient on measures of positive beliefs about worry/negative beliefs about worry and worry/anxiety

	Overall effect													Heterogenity test
Meta-analysis	k	r		95%CI, r		95%PI, r		Fisher‘s z		95%CI, z		Z		Q		I2		T2
POS and worry	13	0.27		(0.22, 0.33)		(0.08, 0.45)		0.28		(0.22, 0.34)		9.56, P < 0.001		36.14, P < 0.001		67 %		0.01
NEG and worry	12	0.64		(0.55, 0.72)		(0.27, 1.25)		0.76		(0.62, 0.90)		10.49, P < 0.001		233.90, P < 0.001		95 %		0.06
POS and anxiety	18	0.20		(0.16, 0.25)		(0.00, 0.38)		0.20		(0.16, 0.25)		8.54, P < 0.001		52.11, P < 0.001		67 %		0.01
NEG and anxiety	18	0.53		(0.46, 0.60)		(0.19, 0.76)		0.59		(0.50, 0.69)		12.32, P < 0.001		234.07, P < 0.001		93 %		0.04
POS and NEG	17	0.24		(0.18, 0.28)		(0.04, 0.41)		0.24		(0.18, 0.29)		8.49, P < 0.001		66.44, P < 0.001		76 %		0.01

k: Number of studies included in meta-analysis; r: Pearson’s product-moment correlation; CI: Confidence interval; PI: Prediction interval; SE: Standard error; POS: Positive beliefs about worry; NEG: Negative beliefs about worry.