{'fraction_non_alphanumeric': 0.031805425631431246, 'fraction_numerical': 0.01777362020579981, 'mean_word_length': 5.858974358974359, 'pattern_counts': {'":': 0, '<': 0, '<?xml version=': 0, '>': 0, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
The COVID-19 Citizen Science Study: Protocol for a Worldwide, Longitudinal, Digital Health Cohort Study (Preprint)


 UNSTRUCTURED
 The COVID-19 pandemic has catalyzed a global public response and innovation in clinical study methods. Here, we describe the COVID-19 Citizen Science study, a world-wide, longitudinal cohort study launched on March 26, 2020 on the Eureka Research Platform to generate knowledge to help the public health response to COVID-19. To date, the study has enrolled over 50,000 participants. This study illustrates important advances in digital clinical studies, including entirely digital study participation, targeted recruitment strategies, electronic consent, recurrent and time-updated assessments, integration with smartphone-based measurements, analytics for recruitment and engagement, connection with partner studies, novel engagement strategies such as participant-proposed questions, and feedback of real-time results to participants. Continued innovation in digital clinical study methods represents the future of clinical research.
