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

Table 4 Results of meta-regressions on correlational coefficient on measures of positive beliefs about worry/negative beliefs about worry and worry/anxiety with mean age as covariate

Meta-regression			B	SEB	95%lower	95% upper	Z	P
POS and		Intercept	0.5082	0.356	-0.254	1.271	1.429	0.175
Anxiety1		Latitude	-0.0265	0.028	-0.086	0.033	-0.958	0.354
POS and		Intercept	-0.0905	0.195	-0.525	0.344	-0.464	0.652
Worry2		Latitude	0.0302	0.016	-0.005	0.065	1.911	0.085
NEG and		Intercept	0.4427	0.128	0.168	0.718	3.450	0.004b
Anxiety3		Latitude	0.0094	0.010	-0.012	0.031	0.940	0.363
NEG and		Intercept	0.6482	0.225	0.139	1.157	2.881	0.018a
Worry4		Latitude	0.0004	0.018	-0.040	0.041	0.021	0.984
POS and		Intercept	0.5256	0.260	-0.042	1.093	2.019	0.066
NEG5		Latitude	-0.0286	0.021	-0.074	0.017	-1.357	0.200

¹Based on k: 16 studies.

k: 2 studies[55,67] were excluded as no mean age was reported;

²Based on k: 12 studies.

k: 1 study[67] was excluded as no mean age was reported;

³Based on k: 16 studies.

k: 2 studies[55,67] were excluded as no mean age was reported;

⁴Based on k: 11 studies.

k: 1 study[67] was excluded as no mean age was reported;

⁵Based on k: 14 studies.

k: 3 studies[55,67,81] were excluded as no mean age was reported.

^aP < 0.05.

^bP < 0.01.

B: Point estimate; SE_B: Standard error of point estimate; POS: Positive metacognitive beliefs about worry; NEG: Negative metacognitive beliefs about worry.