Characteristic | Sole CC (n = 114) | Sole EC (n = 178) | Dual Users (CC and EC) (n = 130) | Chi-Square P-value |
---|---|---|---|---|
Form | Ìý | Ìý | Ìý | < 0. 001 |
 Form 1 | 6 | 20 | 9 | Ìý |
 Form 2 | 34 | 36 | 24 | Ìý |
 Form 3 | 36 | 16 | 38 | Ìý |
 Form 4 | 31 | 61 | 33 | Ìý |
 Form 5 | 7 | 45 | 26 | Ìý |
Age | Ìý | Ìý | Ìý | < 0. 001 |
 13 | 6 | 19 | 9 | Ìý |
 14 | 34 | 35 | 24 | Ìý |
 15 | 36 | 18 | 36 | Ìý |
 16 | 31 | 58 | 34 | Ìý |
 17 | 7 | 48 | 27 | Ìý |
Gender | Ìý | Ìý | Ìý | < 0. 001 |
 M²¹±ô±ð | 111 | 164 | 106 | Ìý |
 F±ð³¾²¹±ô±ð | 3 | 14 | 24 | Ìý |
Ethnicity | Ìý | Ìý | Ìý | < 0. 001 |
 B³Ü³¾¾±±è³Ü³Ù°ù²¹ | 106 | 115 | 110 | Ìý |
 N´Ç²Ô-²ú³Ü³¾¾±±è³Ü³Ù°ù²¹ | 8 | 63 | 20 | Ìý |
Daily Pocket Allowance (MYR) | Ìý | Ìý | Ìý | 0.305 |
 &±ô³Ù; 2 | 10 | 6 | 2 | Ìý |
 2- < 5 | 52 | 78 | 38 | Ìý |
 5- < 10 | 42 | 74 | 42 | Ìý |
 ≥10 | 10 | 20 | 8 | Ìý |
Household Monthly Family Income (MYR) | Ìý | Ìý | Ìý | 0.005 |
 1000 and below | 15 | 5 | 7 | Ìý |
 1001-RM 4000 | 91 | 148 | 108 | Ìý |
 4000 and above | 8 | 25 | 15 | Ìý |
Part-time Worker | Ìý | Ìý | Ìý | 0.003 |
 Y±ð²õ | 22 | 11 | 18 | Ìý |
 N´Ç | 92 | 167 | 112 | Ìý |
HONC | Ìý | Ìý | Ìý | < 0. 001 |
 N´Çt Hooked (< 1) | 10 | 67 | 13 | Ìý |
 Hooked (≥1) | 104 | 111 | 117 | Ìý |
CO ppm | Ìý | Ìý | Ìý | < 0. 001 |
 N´Çn-Smoker (1–3) | 75 | 164 | 98 | Ìý |
 Light Smoker (4–6) | 28 | 11 | 21 | Ìý |
 Regular Smoker (≥7) | 11 | 3 | 11 | Ìý |