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Specifically, we consider extension of their method to count outcomes and observational data, propose an alternative use of their method for analysing excursion effect trajectories and discuss ways of improving estimator efficiency.<\/jats:p>","DOI":"10.1093\/biomet\/asaa094","type":"journal-article","created":{"date-parts":[[2020,10,24]],"date-time":"2020-10-24T19:09:29Z","timestamp":1603566569000},"page":"529-533","source":"Crossref","is-referenced-by-count":2,"title":["Discussion of \u2018Estimating time-varying causal excursion effects in mobile health with binary outcomes\u2019"],"prefix":"10.1093","volume":"108","author":[{"given":"S","family":"Kim","sequence":"first","affiliation":[{"name":"Department of Biostatistics, University of North Carolina, Chapel Hill, 3101 McGavran-Greenberg Hall, Chapel Hill, North Carolina 27599, U.S.A"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H","family":"Cho","sequence":"additional","affiliation":[{"name":"Department of Biostatistics, University of North Carolina, Chapel Hill, 3101 McGavran-Greenberg Hall, Chapel Hill, North Carolina 27599, U.S.A"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D","family":"Bang","sequence":"additional","affiliation":[{"name":"Ancestry, 153 Townsend St, San Francisco, California 94129, U.S.A"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D","family":"De Marchi","sequence":"additional","affiliation":[{"name":"Department of Biostatistics, University\u2002of North Carolina, Chapel Hill, 3101 McGavran-Greenberg Hall, Chapel Hill, North Carolina 27599, U.S.A"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"H","family":"El-Zaatari","sequence":"additional","affiliation":[{"name":"Department of Biostatistics, University\u2002of North Carolina, Chapel Hill, 3101 McGavran-Greenberg Hall, Chapel Hill, North Carolina 27599, U.S.A"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K S","family":"Shah","sequence":"additional","affiliation":[{"name":"Department of Biostatistics, University\u2002of North Carolina, Chapel Hill, 3101 McGavran-Greenberg Hall, Chapel Hill, North Carolina 27599, U.S.A"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M","family":"Valancius","sequence":"additional","affiliation":[{"name":"Department of Biostatistics, University\u2002of North Carolina, Chapel Hill, 3101 McGavran-Greenberg Hall, Chapel Hill, North Carolina 27599, U.S.A"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"T M","family":"Zikry","sequence":"additional","affiliation":[{"name":"Department of Biostatistics, University\u2002of North Carolina, Chapel Hill, 3101 McGavran-Greenberg Hall, Chapel Hill, North Carolina 27599, U.S.A"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M R","family":"Kosorok","sequence":"additional","affiliation":[{"name":"Department of Biostatistics, University\u2002of North Carolina, Chapel Hill, 3101 McGavran-Greenberg Hall, Chapel Hill, North Carolina 27599, U.S.A"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2021,8,12]]},"reference":[{"key":"2021081218501657100_B1","doi-asserted-by":"crossref","first-page":"1112","DOI":"10.1080\/01621459.2017.1305274","article-title":"Assessing time-varying causal effect moderation in mobile health","volume":"113","author":"Boruvka,","year":"2018","journal-title":"J. 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