Table 4. Excessive medical spending attributable to active smoking and exposure to environmental tobacco smoke (ETS) by smoking status (yuan, per capita per year).

Smoking status	National	Urban	Rural
Active smoking
NS (reference category)	0.0	0.0	0.0
Low	3.1	4.1	2.7
Medium	3.2	4.0	2.9
High	4.2	5.2	4.0
1 quit	39.2	54.5	32.9
2+ quit	64.0	84.9	51.6
Mixed	34.9	45.1	30.6
ETS
Low	13.5	14.1	13.3
Medium	13.8	14.7	13.6
High	11.9	12.2	11.8

NS, household of never-smokers; Low, low tobacco consumption (0–25% of distribution of tobacco consumption); Medium (25–75%) and high tobacco consumption (75–100%).