Table 4.

The results of meta-regression in study on the basis of screening among Iranian general population over 15 years old

Variables	Co-efficient	CI	P
Sample size	−1.97 * 10−4	−9.26 * 10−4-5.31 * 10−4	0.542
Tools	5.09	−4.46 to 14.66	0.248
Gender	10.83	-1.73 to 23.40	0.085
Year of publication	−1.70	−4.28 to 0.87	0.175