Pulmonary function and factors associated with current smoking among the hill tribe populations in northern Thailand: a cross-sectional study

Table 2 Characteristics of smoking and substance use behaviors

Characteristics	n	%
Smoking
No	1412	63.7
Ever	349	15.7
Yes	455	20.6
Length of smoking (Years)
≤ 9	403	50.1
10–19	252	31.3
≥ 20	149	18.6
Mean = 15, SD = 10.6, Min = 1, Max = 53
Amount of smoking (Cigarettes/day)
≤ 10	644	80.1
11–19	61	7.6
≥ 20	99	12.3
Mean = 8, SD = 6.78, Min = 1, Max = 50
Types of cigarette
Traditional tobacco	516	64.2
Commercial cigarette	285	35.4
Electronic cigarette	3	0.4
Smoking in family
Yes	238	29.6
No	566	70.4
Source of cigarette buying
From their village	751	93.4
Outside of their village	53	6.6
Cost of cigarettes per day (Baht)
Less than 50 baht	720	89.6
More than 50 baht	84	10.4
Smoking in house (Indoor building)
Yes	576	71.6
No	228	28.4
Knowledge of the harms of smoking
Low	219	9.9
Moderate	730	32.9
Good	820	37.0
Attitudes toward the harms of smoking
Low	716	32.3
Moderate	801	36.1
Good	252	11.4
Alcohol use
Yes	942	42.5
No	1274	57.5
Amphetamine use
Yes	100	4.5
No	2116	95.5
Opium use
Yes	92	4.2
No	2124	95.8
Marijuana use
Yes	59	2.7
No	2157	97.3

ISSN: 1471-2458