Table 2.
Cumulative Incidence of Reported Tobacco Use According to Patient Characteristics (N = 119)
| Characteristic | No. of Patients | Estimate + SE (%) at Year 5 | P* |
|---|---|---|---|
| Age, years | |||
| 10-13 | 54 | 13.2 ± 4.7 | .073 |
| 14-18 | 65 | 33.7 ± 7.1 | |
| Sex | |||
| Male | 61 | 23.9 ± 5.9 | .831 |
| Female | 58 | 22.0 ± 6.3 | |
| Race | |||
| White | 98 | 26.6 ± 4.9 | .131 |
| Black | 21 | 5.6 ± 5.6 | |
| SES | |||
| Low | 29 | 27.5 ± 9.9 | .478 |
| Middle | 31 | 14.5 ± 6.9 | |
| High | 59 | 25.6 ± 6.3 | |
| Diagnosis | |||
| Leukemia | 73 | 23.0 ± 5.5 | .336 |
| Solid tumor | 46 | 22.4 ± 6.7 | |
| Past tobacco use | |||
| Established/experimenter | 16 | 59.7 ± 14.7 | < .001 |
| Never | 103 | 17.4 ± 4.1 | |
| Intentions category | |||
| Committed never smokers† | 52 | 12.8 ± 5.4 | .022 |
| Susceptible to smoking‡ | 67 | 29.8 ± 6.0 | |
| Intervention arm§ | |||
| Standard control | 37 | 24.5 ± 8.5 | .756 |
| Intervention | 43 | 22.8 ± 7.3 | |
| Peer tobacco use§ | |||
| Tobacco user | 32 | 35.2 ± 10.8 | .038¶ |
| Non-tobacco user | 39 | 11.9 ± 5.7 | |
| Don't know | 9 | 40.7 ± 20.4 | |
| Parent tobacco use§ | |||
| Tobacco user | 31 | 31.3 ± 9.6 | .286¶ |
| Non-tobacco user | 45 | 19.4 ± 6.8 | |
| Don't know | 4 | 0 |
Abbreviations: SE, standard error; SES, socioeconomic status.
*
Gray's test.
†
Those with smoking intentions scores equal to 6 at study baseline.
‡
Those with smoking intentions scores above 6 at study baseline.
§
Data provided only on the non-pilot cohort of 80 nonsmokers.
¶
Excluding those who responded “Don't know.”