Table 1:
Characteristics of the non smoking students who completed the follow up survey and those who didn´t
| ARGENTINA*** | MEXICO**** | |||||
|---|---|---|---|---|---|---|
| Students who were never smokers at baseline and completed Follow up survey | Students who were never smokers at baseline and did not complete Follow up survey | P* | Students who were never smokers at baseline and completed Follow up survey | Students who were never smokers at baseline and did not complete Follow up survey | P* | |
| n=1680 (67.7%) | n= 802 (32.3%) | n=4877 (68.3%) | n= 2270 (31.7%) | |||
| Sociodemographic | ||||||
| Sex (girl) | 741 (44.4%) | 286 (35.3%) | 0.001 | 2533 (51.9%) | 1163 (51%) | 0.454 |
| Age (years) mean (SD) | 12.58 (0.79) | 12.90 (0.92) | 0.001 | 12.36 (0.54) | 12.44 (0.62) | 0.001 |
| Type of school (public) ** | 1006 (59.2%) | 606 (75.6%) | 0.001 | |||
| Parental education | ||||||
| Tertiary or more | 769 (46.0%) | 313 (39.7%) | 0.002 | 769 (46.0%) | 313 (39.7%) | 0.001 |
| Personal characteristics | ||||||
| Sensation seeking index (1–5) mean (SD) | 3.03 (1.03) | 3.22 (1.06) | 0.001 | 2.69 (1.04) | 2.82 (1.03) | 0.001 |
| Poor school performance | 1455 (86.1%) | 572 (72.2%) | 0.001 | 4641 (95.5%) | 2059 (91.5%) | 0.001 |
| Other factors | ||||||
| Parenting style index (1–5) mean (SD) | 4.07 (0.70) | 4.02 (0.77) | 0.093 | 3.98 (0.84) | 3.90 (0.87) | 0.001 |
| Network influences | ||||||
| Close network smoking | 1046 (62.1%) | 587(73.9%) | 0.001 | 3116 (63.9%) | 1598(70.5%) | 0.001 |
| Advertising Exposure at POS | 385 (22.7%) | 162 (20.2%) | 0.17 | 672 (13.8%) | 318 (14%) | 0.779 |
| Susceptibility | ||||||
| Think will smoke next year (Maybe not/maybe yes/definitely yes) | 317 (18.8%) | 199 (25.0%) | 0.001 | 836 (17.2%) | 498 (22.0%) | 0.001 |
| Will smoke if best friend offers a cigarette (Maybe not/maybe yes/definitely yes) | 255 (15.08%) | 156 (19.6%) | 0.005 | 731 (15.0%) | 410 (18.1%) | 0.001 |
| Tobacco susceptible | 411 (24.2%) | 251 (31.5%) | 0.001 | 1097 (22.5%) | 635 (28.0%) | 0.001 |
*
t-test for continuous variables and chi-square test for categorical variables comparing students that were follow up and those who were not.
SD Standard Deviation
**
In Mexico all schools were public
***
Survey implemented in Buenos Aires, Córdoba and Tucumán. Baseline survey during May-July 2014. Follow up survey during October- November 2015.
****
Survey implemented in Mexico City, Guadalajara, and Monterrey. Baseline survey during February March 2015. Follow up survey during October- November 2016.