Table 9. Certification audit results by regional classification
Category
No. of firms
Pass
Fail
Pass rate (%)
Metropolitan city or above
230
158
72
68.7
Non-metropolitan area
587
462
125
78.7
Total
817
620
197
75.9
Note: χ
2
=8.510, p=0.004. “Fail” includes cases requiring documentary or on-site supplementation.