Comparison · NCT02478359-35b9ad61
Physical Activity Coaching (Walk On!) vs Standard Care: Number of Participants With All-cause Emergency Department Visits
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 All-cause Emergency Department Visits. Trial comparisons, record NCT02478359-35b9ad61. Release trial-comparisons-2026-03-23-0.1.0, 23 Mar 2026. https://conductscience.org/library/comparisons/NCT02478359-35b9ad61
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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 | 0.517 | 0.49 | 0.543 | wilson | |
| Risk in group 2 | 0.514 | 0.488 | 0.541 | wilson | |
| Risk difference, group 1 minus group 2 | 0.00248 | -0.0351 | 0.0401 | newcombe hybrid score | |
| Risk ratio, group 1 over group 2 | 1 | 0.934 | 1.08 | log | |
| Odds ratio, group 1 over group 2 | 1.01 | 0.869 | 1.17 | log | |
| Number needed to treat, for one more participant with the outcome on Physical Activity Coaching (Walk On!) than on Standard Care | 403 | 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. | 702 | 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 | 694 | 1,349 | OG000 |
Source ClinicalTrials.gov
Outcome
- Type
- SECONDARY
- Title
- Number of Participants With All-cause Emergency Department Visits
- Description
Covariates included in the adjusted multivariate models were age, FEV1% predicted, Charlson comorbidity index, oxygen use, hospitalization for COPD in previous 12 months, outpatient treated COPD exacerbation in previous 12 months, length of time since acute care utilization to randomization, use of LABA or ICS, PA level and study site
- 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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