Smoking Status
|
Sole CC
|
Sole EC
|
---|
OR
|
OR
|
---|
(95% CI)
|
(CI 95%)
|
---|
Household Monthly Income (MYR)
|
1000 and below
|
5.154 (0.407–65.216)
|
0.464 (0.025–8.598)
|
1001–4000
|
2.034 (0.297–13.933)
|
1.840 (0.409–8.272)
|
4000 and abovea
|
1.000
|
1.000
|
HONC
|
Not Hooked (< 1)
|
1.252 (0.474–3.303)
|
3.951 (1.862–8.387) ***
|
Hooked (≥1) a
|
1.000
|
1.000
|
CO (ppm)
|
Non-Smoker (1–3)
|
0.689 (0.254–1.872)
|
5.777 (1.407–23.716)
|
Light Smoker (4–6)
|
1.308 (0.420–4.074)
|
1.968 (0.399–9.704)
|
Regular Smoker (≥7) a
|
1.000
|
1.000
|
Daily Pocket Allowance (MYR)
|
< 2
|
0.465 (0.030–7.140)
|
2.930 (0.140–61.196)
|
2- < 5
|
0.645 (0.101–4.099)
|
0.910 (0.196–4.231)
|
5- < 10
|
0.423 (0.068–2.629)
|
0.955 (0.215–4.232)
|
≥10a
|
1.000
|
1.000
|
Gender
|
Male
|
9.887 (2.737–35.721) ***
|
2.220 (1.005–4.900) **
|
Femalea
|
1.000
|
1.000
|
Ethnicity
|
Bumiputera
|
1.542 (0.554–4.293)
|
0.467 (0.219–0.994) **
|
Non-Bumiputeraa
|
1.000
|
1.000
|
Part-time Worker
|
Yes
|
1.561 (0.723–3.374)
|
0.428 (0.179–1.021)
|
No
|
1.000
|
1.000
|
Age
|
13
|
3.049 (0.848–10.968)
|
1.107 (0–0)
|
14
|
3.56 (3.56–3.56)
|
7.368 (0–0)
|
15
|
3.844 (1.349–10.949) **
|
0.384 (0.159–0.930)
|
16
|
3.385 (1.199–9.551)**
|
1.542 (0.721–3.299)
|
17
|
1.000
|
1.000
|
- Reference group: Dual user which includes CC and EC
- *** p < 0.001. ** p < 0.01
- a Reference Group