Comparison · NCT02478359-22b01818
Physical Activity Coaching (Walk On!) vs Standard Care: Number of Participants With COPD Exacerbation
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
2 sourcestrial-comparisons-2026-03-23-0.1.0
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ConductScience Library. Physical Activity Coaching (Walk On!) vs Standard Care: Number of Participants With COPD Exacerbation. Trial comparisons, record NCT02478359-22b01818. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02478359-22b01818
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Measures6
Calculated by ConductScience from the counts the trial posted to ClinicalTrials.gov.
| Measure | Value | 95% interval, lower | 95% interval, upper | Method | Note |
|---|---|---|---|---|---|
| Risk in group 1 | 0.507 | 0.481 | 0.534 | wilson | |
| Risk in group 2 | 0.523 | 0.497 | 0.55 | wilson | |
| Risk difference, group 1 minus group 2 | -0.016 | -0.0535 | 0.0216 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 0.969 | 0.901 | 1.04 | log | |
| Odds ratio, group 1 over group 2 | 0.938 | 0.807 | 1.09 | log | |
| Number needed to treat, for one fewer participant with the outcome on Physical Activity Coaching (Walk On!) than on Standard Care | 62.6 | from the risk difference interval | the interval includes no difference |
Source ClinicalTrials.gov
Groups2
Group 2 names the comparator: standard care.
| Group | Title | Description | With the outcome | Analysed | ClinicalTrials.gov code |
|---|---|---|---|---|---|
| Group 1 | Physical Activity Coaching (Walk On!) | The 12-month Walk On! intervention included a baseline in-person assessment, collaborative monitoring of steps using two types of activity sensors, semi-automated step goal recommendations using an interactive voice response system or web application, ongoing individualized reinforcement from a physical activity coach, and peer/family support. | 689 | 1,358 | OG001 |
| Group 2 | Standard Care | Standard care patients received their routine care from Kaiser Permanente Southern California and had access to all health services in accordance with their health plan | 706 | 1,349 | OG000 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Number of Participants With COPD Exacerbation
- Description
COPD exacerbations were ascertained via pharmacy records and utilization data. An outpatient COPD exacerbation will be defined as a care touch (clinic visit, phone, or secure message encounter) with a diagnosis of COPD accompanied by a prescription of either an oral steroid or an antibiotic within 2 days
- Time frame
- 12 months following randomization
- Population
- ITT population
Source ClinicalTrials.gov
Trial
- Title
- Walk On! Physical Activity Coaching
- NCT number
- NCT02478359
- Phases
- NA
- Conditions
- Chronic Obstructive Pulmonary Disease (COPD)
- Interventions
- Physical Activity Coaching (Walk On!)
- Lead sponsor
- Kaiser Permanente
- Results first posted
- 2020-02-19
- Results on ClinicalTrials.gov
- https://clinicaltrials.gov/study/NCT02478359?tab=results
Source ClinicalTrials.gov
Source
- Release
- trial-comparisons-2026-03-23-0.1.0
- Release manifest SHA-256
- f66225897fbf258b57ea10bdacfd0347d3cdfda93f7f5685234b7e06ea36fa57
- AACT copy
- 2026-03-23
- Tables read
- outcome_counts.parquet, outcome_measurements.parquet, outcomes.parquet, reported_event_totals.parquet, reported_events.parquet, result_groups.parquet, studies.parquet, ctgov_trial.parquet
Source ClinicalTrials.gov
Sources 2
- ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
- ClinicalTrials.govNo license stated
Each source's terms
- ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
- ClinicalTrials.govnone stated
ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions. The measures are ConductScience's calculation from them.
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