Table 1. Socio-demographic of participants.

	Men	Women	p-value
Subject, n (%)	1,786 (35.6)	3,229 (64.4)
Age in year (mean ± sd)	43.0±11.2	43.6±10.9	0.96
Annual income in USD (mean ± sd)	1,121.2±1,545.5	1,230.8±2,358.0	0.95
Residence, n (%)
Urban	307 (17.2)	581 (18.0)	0.47
Rural	1,479 (82.8)	2,648 (82.0)
Education level, n (%)
Completed Primary School	1,418 (79.4)	2,969 (91.9)	<0.001
Completed High School	334 (18.7)	250 (7.7)
>High School	33 (1.8)	10 (0.3)
Ethnicity, n (%)
Khmer	1,761 (99.8)	3,190 (99.4)	0.04
Other	3 (0.2)	18 (0.6)
Marital status, n (%)
Single	66 (3.7)	188 (5.8)	<0.001
Married	1,619 (90.6)	2,116 (65.5)
Other*	101 (5.7)	924 (28.6)
Employment status, n (%)
Employed	1,726 (96.6)	2,694 (83.4)	<0.001
Unemployed	60 (3.4)	535 (16.6)
Current cigarette smokers, n (%)
Yes	999 (55.9)	207 (6.4)	<0.001
No	787 (44.1)	3,022 (93.6)
Former daily smokers, n (%)
Yes	333 (38.0)	89 (2.9)	<0.001
No	543 (62.0)	2,973 (97.1)
Current smokeless tobacco users **, n (%)
Yes	46 (2.6)	622 (19.3)	<0.001
No	1,740 (97.4)	2,607 (80.7)
Former daily smokeless tobacco users, n (%)
Yes	15 (0.8)	41 (1.5)	0.05
No	1,747 (99.1)	2,622 (98.5)
Ever drink alcohol, n (%)
Yes	1,597 (89.4)	1,821 (56.4)	<0.001
No	189 (10.6)	1,408 (43.6)
Physical activity ***, n (%)
Yes	1,180 (66.1)	1,700 (52.6)	<0.001
No	606 (33.9)	1,529 (47.3)

^*Separated, Divorced, Widowed.

^**Snuff, chewing tobacco, betel.

^***Physical activity is defined as vigorous-intensity aerobic physical activity for at least 75 mm throughout the week.