Exploring socioeconomic inequalities in the use of medicinal herbs among Iranian households: evidence from a national cross-sectional survey

Table 3 The normalized concentration indices for MH use for whole sample, and rural and urban areas in Iran

Sample	n	The C_n	95% Confidence interval
Urban	20,313	0.1754	0.1408 to 0.2101
Rural	18,546	0.1191	0.0779 to 0.1603
Total	38,859	0.1519	0.1254 to 0.1784

ISSN: 2662-7671