Table 2.

Compliance of fortified maize flour as compared to the recommended standard grouped by source of samples.

Source of samples	Number of samples	Complied samples	% sample complied	No. of samples not complied	% sample not complied	χ 2	p value
Production	38	12	31.6	26	68.4	3.343	0.07
Retail outlet	31	4	12.9	27	87.1

The recommended standard values for compliance: iron, 31 ± 10 mg/kg; zinc, 49 ± 16 mg/kg; and folic acid, 1.2 ± 0.5 mg/kg. Noncompliance: iron, <21 mg/kg > 41 mg/kg; zinc, <33 mg/kg > 65 mg/kg; and folic acid, <0.6 mg/kg > 1.7 mg/kg. Tanzania national standards (TZS 328).