Characteristics of the participating students in relation to their tobacco habits
| Variable | Total (N=4277), % (n) | Ever smokers, % (n) | Current smokers, % (n) | Ever tombak* dippers, % (n) | Current tombak* dippers, % (n) | Use of other tobacco products, % (n) |
| Sex | ||||||
| Women | 41 (1740)† | 13 (222)† | 2.7 (46)† | 3.5 (60)† | 2.1 (35)† | 11 (185) |
| Men | 53 (2270) | 33 (719) | 11 (251) | 13 (287) | 5.2 (116) | 12 (269) |
| Missing | 6 (267) | |||||
| Age in years | ||||||
| ≤12 years | 7 (306)† | 27 (76)† | 7.3 (21)† | 15 (43)† | 7.1 (21)† | 29 (82)† |
| 13–15 years | 66 (2831) | 23 (622) | 6.4 (178) | 7.5 (209) | 2.7 (74) | 9.1 (245) |
| ≥16 years | 21 (909) | 31 (268) | 11 (100) | 12 (106) | 6.6 (59) | 15 (131) |
| Missing | 6 (231) | |||||
| School grades | ||||||
| Basic (8th) | 21 (902)† | 20 (68)† | 5.9 (52)† | 7.4 (66)† | 4.3 (38) | 17 (149)† |
| Secondary first | 37 (1595) | 25 (380) | 7.1 (111) | 8.4 (132) | 3.4 (53) | 11 (162) |
| Secondary second | 34 (1461) | 28 (392) | 9.3 (132) | 10 (146) | 4.2 (60) | 10 (140) |
| Missing | 8 (319) | |||||
| Parents smoking | ||||||
| None of them | 80 (3401)† | 22 (725)† | 7 (217)† | 8 (281)† | 4 (119)† | 12 (377)‡ |
| Either of them | 17 (719) | 36 (246) | 12 (87) | 11 (77) | 5 (32) | 15 (102) |
| Don't know | 2 (69) | 36 (23) | 11 (7) | 16 (11) | 13 (9) | 16 (10) |
| Missing | 2 (88) | |||||
| Parents dipping | ||||||
| None of them | 82 (3510)† | 24 (799)† | 7 (238)† | 8 (275)† | 3 (112)† | 12 (401) |
| Either of them | 14 (597) | 29 (167) | 11 (65) | 14 (82) | 7 (38) | 14 (77) |
| Don't know | 1 (39) | 46 (17) | 6 (16) | 6 (15) | 6 (15) | 11 (4) |
| Missing | 3 (131) | |||||
| Friends smoking | ||||||
| None | 55 (2367)† | 18 (416)† | 4 (87)† | 6 (149)† | 2 (47)† | 11 (259) |
| Some or most | 41 (1751) | 33 (562) | 13 (220) | 13 (218) | 7 (113) | 13 (219) |
| Missing | 4 (159) | |||||
| Teachers dipping | ||||||
| No | 52 (2212)† | 18 (385)† | 5.3 (115)† | 6.5 (142)† | 3 (66)† | 14 (298)† |
| Yes | 44 (1896) | 33 (605) | 10 (190) | 12 (225) | 5 (93) | 11 (192) |
| Missing | 4 (169) | |||||