Table 1. Quality assessment of the studies and area wise distribution of the published papers.

*Phase 1:	Study base (%)			Sample selection Method (%)			Outcome measurement (%)
	Good	Moderate	Poor	Good	Moderate	Poor	Good	Moderate	Poor
Diabetes (n = 28)	29	43	29	25	36	39	86	3	11
Hypertension (n = 24)	17	58	25	17	46	38	79	13	8
Dyslipidaemia (n = 8)	12.5	37.5	50	-	38	62	62.5	25	12.5
Smoking (n = 25)	17	37.5	46	29	29	42	46	46	8
CVD (n = 10)	30	40	30	-	50	50	70	20	10
†Phase 2:	Urban (%)		Rural (%)		Urban and rural (%)			Semi urban (%)
Diabetes (n = 28)	25		60.7		10.7			3.6
Hypertension (n = 24)	25		67		8			-
Dyslipidemia (n = 8)	50		37.5		12.5			-
Smoking (n = 25)	24		36		40			-
CVD (n = 10)	10		50		40			-

* Study quality evaluated by following the checklist for this study.

^† Area wise selected study distribution.