Table 2.
Distribution of study population by select variables at baseline.
| Variables | Experimenters (N=380) |
Non Experimenters (N=799) |
P-value* |
|---|---|---|---|
| Mean Age (SD+) | 12.57 (0.92) | 12.2 (0.85) | <.001 |
| Sex, n(%) | |||
| Males | 219 (57.6) | 340 (42.6) | |
| Females | 161 (42.4) | 459 (57.4) | <.001 |
| Cognitive Susceptibility | |||
| Do you think you will try a cigarette soon? | |||
| Definitely Not | 282 (74.2) | 692 (86.6) | |
| Probably Not | 79 (20.8) | 101 (12.6) | <.001 |
| Probably Yes | 18 (4.7) | 6 (0.8) | |
| Definitely Yes | 1 (0.3) | 0 (0) | |
| Do you think you will be smoking cigarettes 1 year from now? | |||
| Definitely Not | 319 (83.9) | 743 (93.0) | |
| Probably Not | 58 (15.3) | 55 (6.9) | <.001 |
| Probably Yes | 3 (0.8) | 1 (0.1) | |
| Definitely Yes | 0 (0.0) | 0 (0.0) | |
| Do you feel anxious or tense? | |||
| Never | 224 (58.9) | 585 (73.2) | |
| Very Rarely | 82 (21.6) | 120 (15.0) | <.001 |
| Rarely | 42 (11.1) | 47 (5.9) | |
| Sometimes | 17 (4.5) | 27 (3.4) | |
| Mostly | 5 (1.3) | 14 (1.7) | |
| Always | 10 (2.6) | 6 (0.8) | |
| Do you have difficulty concentrating? | |||
| Never | 216 (56.8) | 529 (66.2) | |
| Very Rarely | 57 (15.0) | 130 (16.3) | <.001 |
| Rarely | 46 (12.1) | 68 (8.5) | |
| Sometimes | 31 (8.2) | 34 (4.3) | |
| Mostly | 19 (5.0) | 19 (2.4) | |
| Always | 11 (2.9) | 19 (2.4) | |
| Family Cohesion | |||
| In my family we really help and support one another. | |||
| Strongly Disagree | 8 (2.1) | 12 (1.5) | |
| Disagree | 14 (3.7) | 18 (2.3) | |
| Agree | 230 (60.5) | 427 (53.5) | 0.015 |
| Strongly Agree | 128 (33.7) | 341 (42.7) | |
| We can do whatever we want in our family. | |||
| Strongly Disagree | 201 (52.9) | 380 (47.6) | |
| Disagree | 166 (43.7) | 368 (46.0) | |
| Agree | 9 (2.4) | 46 (5.8) | 0.023 |
| Strongly Agree | 4 (1.1) | 5 (0.6) | |
| Positive Outcome Expectations | |||
| I think smoking would give me bad breath. | |||
| Strongly Disagree | 17 (4.5) | 22 (2.8) | |
| Disagree | 7 (1.8) | 8 (1.0) | |
| Agree | 103 (27.1) | 182 (22.8) | 0.054 |
| Strongly Agree | 253 (66.6) | 587 (73.5) | |
| Peer Influence | |||
| How many of your friends smoke? | |||
| None | 306 (80.5) | 753 (94.2) | |
| Few | 57 (15.0) | 37 (4.6) | <.001 |
| Some | 13 (3.4) | 8 (1.0) | |
| Most | 3 (0.8) | 1 (0.1) | |
| All | 1 (0.3) | 0 (0.0) | |
| How many of your parents friends smoke? | |||
| None | 158 (41.6) | 449 (56.2) | |
| Few | 152 (40.0) | 279 (34.9) | |
| Some | 52 (13.7) | 60 (7.5) | <.001 |
| Most | 16 (4.2) | 9 (1.1) | |
| All | 2 (0.5) | 2 (0.3) | |
| School Discipline | |||
| During this school year how many detentions or suspensions have you had? | |||
| 0 | 244 (64.2) | 631 (79.0) | |
| >0 | 136 (35.8) | 168 (21.0) | <.001 |
| Acculturation | |||
| In which language do you generally think? | |||
| Only Spanish | 22 (5.8) | 54 (6.8) | |
| More Spanish Than English | 33 (8.7) | 120 (15.0) | |
| Both Equally | 105 (27.6) | 225 (28.2) | |
| More English than Spanish | 85 (22.4) | 190 (23.8) | 0.002 |
| Only English | 135 (35.5) | 209 (26.2) | |
| Neighborhood Characteristics | |||
| If you try to buy cigarettes will you be asked to show your ID? | |||
| Yes/No | 183 (48.2) | 276 (34.5) | |
| I don’t know | 197 (51.8) | 523 (65.5) | <.001 |
| Work Characteristics | |||
| Do people smoke where you work? | |||
| Yes | 8 (2.1) | 7 (0.9) | |
| No/I don’t work | 372 (97.9) | 792 (99.1) | 0.096 |
| Household Smoking Behavior | |||
| Does your mother/stepmother smoke? | |||
| No | 343 (90.26) | 752 (94.12) | |
| Smokes in the house | 14 (3.68) | 7 (0.88) | |
| Smokes but not in the house | 20 (5.26) | 37 (4.63) | 0.005 |
| Smokes but doesn’t live with me | 3 (0.79) | 3 (0.38) | |
| Does your sister smoke? | |||
| Have no sisters | 64 (16.8) | 130 (16.3) | |
| No | 304 (80) | 654 (81.9) | |
| Smokes in the house | 1 (0.3) | 2 (0.3) | |
| Smokes but not in house | 5 (1.3) | 11 (1.4) | |
| Smokes but doesn’t live with me | 6 (1.6) | 2 (0.3) | 0.146 |
| Does anybody else who lives in the house with you smoke? | |||
| No | 341 (89.7) | 752 (94.1) | |
| Smoke in the house | 4 (1.1) | 5 (0.6) | |
| Smoke but not in house | 35 (9.2) | 42 (5.3) | 0.023 |
*
P value from the two-sided Fisher exact test (for categorical variables) and Student’s t test (for continuous variables).
+
SD = Standard deviation.