Cumulative symptoms of nicotine dependence among 332 young adolescents who had ever tried tobacco
| Symptoms of nicotine dependence | Percentage reporting symptom (n) | Percentage of 183 boys reporting symptom (n) | Percentage of 150 girls reporting symptom (n) | Odds ratio with boys as the reference value | p Value for sex comparison |
|---|---|---|---|---|---|
| NS, non-significant, i.e. p>0.05. | |||||
| 1) Failed quit attempt | 23 (75) | 19 (35) | 27 (40) | 1.5 | NS |
| 2) Really hard to quit | 11 (35) | 7 (12) | 15 (23) | 2.6 | <0.01 |
| 3) Felt addicted | 21 (68) | 17 (31) | 25 (37) | 1.6 | NS |
| 4) Strong cravings | 28 (93) | 18 (32) | 41 (61) | 3.2 | <0.001 |
| 5) Really needed a cigarette | 31 (103) | 22 (40) | 42 (63) | 2.6 | <0.001 |
| 6) Hard to refrain | 13 (44) | 9 (16) | 19 (28) | 2.4 | <0.01 |
| When you tried to stop smoking . . . | |||||
| 7) Hard to concentrate | 18 (60) | 15 (28) | 21 (32) | 1.5 | NS |
| 8) Irritable | 21 (70) | 16 (29) | 27 (41) | 2.0 | <0.02 |
| 9) Strong need or urge | 25 (84) | 18 (33) | 34 (51) | 2.3 | <0.001 |
| 10) Nervous, restless or anxious | 21 (70) | 17 (30) | 27 (40) | 1.8 | <0.05 |
| 11) Sad, blue or depressed | 11 (35) | 7 (13) | 15 (22) | 2.3 | <0.05 |