Table 10.

Special/high-risk population studies

Investigator group	Year Center	Nature of risk	Location	Sampling	Tool	Population	Prevalence/1000
Carstairs and Kapur[24]	1973	Social changes in the community	R	H-H	IPSS and SFQ	1233	370
Nandi et al.[56]	1977	Tribal community	R	H-H	HS, QS and CDS	2918	58.2
Nandi et al.[53]	1978	Uprooted community	R	H-H	HS, QS and CDS	1259	47.6
Nandi et al.[57]	1980	Marginalized population	R	RS	HS, SESS, CDS and CRS	4053	50.3
Nandi et al.[58]	1980	Urbanization	M	H-H	HS, SESS, CDS and CRS	1862	129.9
Sen et al.[52]	1984	Urban slum dwellers	U	H-H	HS, SESS, CDS and CRS	2168	48.7
Banerjee et al.[54]	1986	Urbanized tribal community	U	H-H	HS, SESS, CDS and CRS	771	51.9
Nandi et al.[55]	1992	Urbanized tribal community	U	H-H	HS, SESS, CDS and CRS	1424	47.75

As given in the footnote of Table I Source: Math et al., 2007, IJMR, 183-192