Table 2.

Demographic and clinical characteristics of the study participants.

Characteristic		Participants (N=20), mean (SD) or n (%)
Age, years		62.20 (7.10)
Gender
	Male	18 (90)
	Female	2 (10)
Region
	City	8 (40)
	Rural	12 (60)
Educational status
	Less than high school	11 (55)
	High school or greater	9 (45)
Marital status
	Married	20 (100)
	Unmarried	0 (0)
Parenting
	Yes	19 (95)
	No	1 (5)
Occupation
	Retired	12 (60)
	Employed	8 (40)
Family monthly income, yuan (¥)a
	<3000	11 (55)
	≥3000	9 (45)
Smoking		17 (85)
Drinking		9 (45)
Kungfu tea drinking		10 (50)
Regular exercise		10 (50)
Cancer history		9 (45)
Neoadjuvant chemotherapy/radiotherapy
	Not performed	13 (65)
	Performed	7 (35)
Tumor location
	Upper thoracic area	4 (20)
	Middle thoracic area	10 (50)
	Lower thoracic area	6 (30)
Pathological stage
	I	4 (20)
	II	6 (30)
	III	9 (45)

^a¥1 = US $0.14.