Table 3.

Concentration index of smoking incidence and tobacco use quantities for the older adults in China.

Groups	Tobacco Use Prevalence (TP)			Tobacco Use Quantities (TQ)
	CI	95% Confidence Interval		CI	95% Confidence Interval
		Lower Limit	Higher Limit		Lower Limit	Higher Limit
Men	0.041	0.022	0.060	0.051	0.033	0.069
Women	−0.039	−0.102	0.023	0.056	0.003	0.110
All	0.044	0.024	0.064	0.055	0.038	0.072