Susceptibility to smoking and its association with physical activity, BMI, and weight concerns among youth
Bibliographic record
Abstract
Research has yet to examine how physical activity, body mass index (BMI) and concerns about weight among youth populations are associated with susceptibility to smoking among never smokers. The Physical Activity Module of the School Health Action, Planning and Evaluation System (SHAPES) was completed by 25,060 students in grades 9 to 12 within 76 secondary schools in Ontario (Canada) to examine how being overweight, weight concerns, and physical activity are associated with susceptibility to smoking in a large sample of youth. Among the 14,795 students who were never smokers, 3,809 (25.8%) were classified as susceptible to future smoking and 10,986 (74.2%) were classified as non-susceptible to future smoking. Smoking susceptibility was negatively associated with being highly active or at risk of overweight and positively associated with perceptions of being slightly overweight or slightly underweight. Students who report 1 or more hours of screen or phone time per day were also more likely to be susceptible. This is the first study to identify that susceptibility to future smoking among never smokers is associated with physical activity, overweight and concerns about weight. This is valuable new insight for tailoring and targeting future school-based tobacco control and/or physical activity programming to youth populations.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".