Psychometric Properties of the Physical Activity Questionnaire for Older Children in a Cohort of Primary School Children From the UK
Bibliographic record
Abstract
Background: In order to determine levels of physical activity in different populations accurate measurement tools are needed. The Physical Activity Questionnaire for Older Children (PAQ-C) is a self-administered seven-day recall questionnaire designed to assess MVPA in children aged 8 to 14 years. To date, the instrument has been validated in predominantly white Canadian samples. The purpose of the present study was to determine the psychometric properties of the PAQ-C in a cohort of children from the UK. Method: Study one examined general test score characteristics, internal consistency, test re-test reliability and factor structure of the PAQ-C in a sample of primary school children from the West Midlands. Sensitivity to detect gender differences was also examined. Study two sought to determine the criterion validity of the PAQ-C by comparing it with four-day activity counts measured via accelerometry. Findings: Results show that the PAQ-C had acceptable item and test score characteristics, such as item distribution, item total correlations and internal consistency. Results also supported the implied single factor structure of the PAQ-C in this population as well as its sensitivity to detect gender differences; as expected males were significantly more active than females. Two week test re-test reliability was acceptable. Discussion: Preliminary analyses suggest that the PAQ-C is a valid and reliable method to assess MVPA in this group.
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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 | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| 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".