Association Between Nature Attitudes and Physical Activity in Youth From Low-Income Families
Bibliographic record
Abstract
We conducted a clinical trial on nature prescriptions measuring baseline moderate-to-vigorous physical activity (MVPA). 433 children between 6-16 years old completed baseline measures (49.2% female, 50.8% male). Participants self-identified as Latino (88.2%), African-American (9.7%), Asian (0.5%), and other or unknown (1.6%). The mean BMI% was 94.9 (SD 6.2), and mean age is 10.4 years (SD 2.7). The mean MVPA was 16.6 minutes, the mean daily accelerometer wear time was 728.8 minutes (SD 126.6), and the average number of days the participant wore the accelerometer for >8 hours (per day) was 6.8 (SD 3.8). Multivariate regression analysis showed that age was not associated with MVPA. However, boys engaged in 38 more minutes of MVPA per week than girls ( P < .0001). Season was associated with MVPA with 5.4 more minutes of MVPA/day in the Fall ( P < .01) and 4.8 more minutes in Spring ( P < .01) as compared to winter and summer. Participant attitude toward nature was significantly associated with MVPA. One unit of positive increase in individual attitude toward nature was associated with 3 additional minutes of MVPA per day (β = 3.1, P < .001), or 21.7 minutes per week.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.003 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.001 | 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 source (direct Gemma or distilled Codex), 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".