Health associations with meeting the Canadian 24-hour movement guidelines for adults: Results from the Canadian Health Measures Survey.
Bibliographic record
Abstract
BACKGROUND: The Canadian 24-Hour Movement Guidelines for Adults (18-64 years and 65 years or older) were launched in October 2020 and provide evidence-based recommendations for physical activity, sedentary behaviour and sleep. The purpose of this study was to examine whether meeting the 24-Hour Movement Guidelines overall, and different combinations of recommendations within the guidelines, was associated with health indicators in a representative sample of Canadian adults. DATA AND METHODS: Participants were 8,297 adults aged 18 to 79 from cycles 1 to 3 of the Canadian Health Measures Survey. They were classified as meeting or not meeting each of the recommendations required for overall guideline adherence: moderate-to-vigorous physical activity (150 minutes or more per week), sedentary behaviour (8 hours or less per day or 9 hours or less per day of sedentary time, including 3 hours or less per day of recreational screen time) and sleep duration (7 to 9 hours per day for adults 18 to 64 years old, 7 to 8 hours per day for adults aged 65 years or older). A combination of self-reported and device-based measures were used. Indicators of adiposity (n=2), aerobic fitness (n=1) and cardiometabolic health (n=7) were measured. RESULTS: A total of 19.1% of the sample met none of the recommendations, 43.9% met one of them, 29.8% met two and 7.1% met all three. Compared with meeting no recommendations, meeting one, two and all three recommendations was associated with better health for one, six and seven health indicators, respectively (p < 0.05). Compared with adults meeting two or fewer recommendations, those who met all three recommendations had more favourable body mass index; waist circumference; aerobic fitness scores; and triglyceride, insulin, C-reactive protein and serum glucose levels (p < 0.05). INTERPRETATION: These findings provide support for the 24-Hour Movement Guidelines and show that less than 1 in 10 Canadian adults are meeting all three of the healthy movement behaviour guidelines.
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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 | 0.002 | 0.004 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.002 | 0.007 |
| Science and technology studies | 0.002 | 0.000 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.001 |
| Insufficient payload (model declined to judge) | 0.002 | 0.001 |
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".