| { | |
| "original_study": { | |
| "claim": { | |
| "hypothesis": "One approach to slowing the pandemic is reducing the contact rate in the population through social distancing. Governments the world over have instituted different measures to \nincrease social distancing but information on their effectiveness in reducing mobility is lacking.", | |
| "hypothesis_location": "p. 1", | |
| "statement": "Social distancing measures decreased the mobility by an additional 23%.", | |
| "statement_location": "p. 1", | |
| "study_type": "Observational" | |
| }, | |
| "data": { | |
| "source": "Citymapper Mobility Index", | |
| "wave_or_subset": "March 2, 2020 through March 26, 2020", | |
| "sample_size": "1,025", | |
| "unit_of_analysis": "city-by-day level", | |
| "access_details": "https://citymapper.com/cmi", | |
| "notes": "Data is for 41 cities. Social distancing measures are also used (as treatment) and collected from various government and media websites." | |
| }, | |
| "method": { | |
| "description": "Use linear regression models to estimate the effect of social distancing measures on mobility.", | |
| "steps": "(1) Download the data; (2) Tabulate data on implementation of governmental social distancing measures; (3) Estimate the effect of time and social distancing measures using a multilevel mixed-effects linear regression model.", | |
| "models": "multilevel mixed-effects linear regression model", | |
| "outcome_variable": "mobility", | |
| "independent_variables": "social distancing measures", | |
| "control_variables": "time", | |
| "tools_software": "not stated" | |
| }, | |
| "results": { | |
| "summary": "Social distancing measures decreased the mobility by an additional 23%.", | |
| "numerical_results": [ | |
| { | |
| "outcome_name": "mobility", | |
| "value": "23", | |
| "unit": "percent", | |
| "effect_size": "not stated", | |
| "confidence_interval": { | |
| "lower": "20", | |
| "upper": "27", | |
| "level": "95%" | |
| }, | |
| "p_value": "not stated", | |
| "statistical_significance": "not stated", | |
| "direction": "Positive" | |
| } | |
| ] | |
| }, | |
| "metadata": { | |
| "original_paper_id": "10.1101/2020.03.30.20048090", | |
| "original_paper_title": "COVID-19 related social distancing measures and reduction in city mobility", | |
| "original_paper_code": "not stated", | |
| "original_paper_data": "not stated" | |
| } | |
| } | |
| } | |