Table 3.

Results of univariate and multivariate meta-regression

Independent variable (units)	Univariate meta-regression				Multivariate meta-regression*
		se	95 % CI	P	Adjusted	se	95 % CI	P
Year of publication (years)	−0·04	0·35	−0·11, 0·02	0·20
Economies (based on World Bank)
High-income economies (Ref)
Lower-middle to upper-middle economies	−0·55	0·26	−1·08, –0·03	0·04†	−0·45	0·25	−0·94, 0·05	0·08
Duration of trial (months)	0·09	0·47	0·00, 0·19	0·046†	0·08	0·04	−0·01, 0·16	0·09
Risk of bias (RoB 2.0)	−0·16	0·32	−0·78, 0·46	0·62
Mean age of sample (year)	0·03	0·06	−0·09, 0·16	0·61
Size of cluster	−0·01	0·01	−0·03, 0·01	0·29
Total sample size	0·00	0·00	−0·00, 0·00	0·85
Total clusters	0·00	0·04	−0·08, 0·09	0·95
Total female recruited (%)	0·00	0·01	−0·01, 0·03	0·36
Focus of intervention
Group (Ref)
Individual	−0·13	0·32	−0·75, 0·49	0·67
Professional
Medical and health science professionals (Ref)
Educators and trained staff	−0·21	0·32	−0·85, 0·43	0·52
Total no. of Session	−0·00	0·00	−0·01, 0·01	0·74
Physical activity
With physical activity (Ref)
Without physical activity	−0·26	0·36	−0·97, 0·45	0·47
Counselling
Without counselling (Ref)
With counselling	0·17	0·32	−0·45, 0·79	0·60
Curriculum
During school hours (Ref)
After school hours	0·08	0·35	−0·60, 0·76	0·81
During and after school hours	−0·38	0·46	−1·28, 0·51	0·40
Nutrition Education
With nutrition education (Ref)
Without nutrition education	0·27	0·36	−0·43, 0·97	0·45
Parental involvement
With parental involvement (Ref)
No Parental Involvement	0·18	0·32	−0·44, 0·80	0·57

Ref, Reference.

^*Explained variance, R² = 41·20 %, P = 0·018; -coefficient.

^† P < 0·05.