Study	Reason for exclusion
Adriko 2018	Not an RCT.
Al‐Mekhlafi 2014	All participants received albendazole.
Alavi Majd 2014	Systematic review.
Albonico 1995	Study derived from Albonico 1994, participants already included.
Albonico 1999	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Albonico 2013	All participants received albendazole.
Amato 1983	Not an RCT.
Anto 2019	Comparison group received albendazole or mebendazole with levamisole that was not of interest for this review.
Awasthi 2000	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Awasthi 2001	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Bartoloni 1993	It was not possible to know how many participants were treated
Bassily 1984	Not an RCT.
Behnke 1994	Not an RCT.
Belew 2015	All participants received albendazole.
Bell 1971	Study compared pyrantel pamoate, piperazine phosphate, and placebo that were not of interest for this review.
Boivin 1993	Ascaris lumbricoides prevalence not reported after treatment.
Brutus 2006	Intervention group received levamisole that was not of interest for this review.
Brutus 2007	Intervention group received levamisole that was not of interest for this review.
Campbell 2014	Systematic review.
Carmona‐Fonseca 2015	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Cervoni 1971	Not an RCT.
Clarke 2016	Systematic review.
Cleary 2007	Not an RCT.
Coulaud 1984	Not an RCT.
Coulibaly 2018	Not an RCT.
De Guimaraes 2001	Comparison group received placebo that was not of interest for this review.
Donnen 1998	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Dossa 2001	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Ebenezer 2013	Control group did not receive the same cointervention.
Edelduok 2013	Not an RCT.
El‐Masry 1983	Not an RCT.
Farahmandian 1972	Not an RCT.
Farahmandian 1977	Study compared pyrantel pamoate, levamisole, thiabendazole, and bephenium hydroxynaphthoate that were not of interest for this review.
Fernandes 1981	All participants received the same dose of different formulations of mebendazole.
Freeman 2013	Intervention was not the anthelminthic treatment.
Friis 2003	No outcome of interest for this review.
Gilgen 2001	No outcome of interest for this review.
Gizaw 2019	Intervention was not the anthelminthic treatment.
Goodwin 1954	Not an RCT.
Goodwin 1958	Not an RCT.
Greemberg 1981	Comparison group treated with piperazine citrate that was not of interest for this review.
Gupta 1982	Ascaris lumbricoides prevalence reported after 2 treatment rounds.
Gutierrez 1986	Comparison group received pyrantel oxantel that was not of interest for this review.
Gyorkos 2013b	Intervention was not anthelmintic treatment.
Gyorkos 2013a	All participants received albendazole.
Hadidjaja 1998	Cluster‐RCT with no comparable groups at baseline.
Hadju 1996	Comparison group received pyrantel pamoate that was not of interest for this review.
Hall 1994	Ascaris lumbricoides prevalence not reported for each intervention group.
Hatchuel 1973	Not an RCT.
Hoang 1993	Comparison group received pyrantel analogue that was not of interest for this review.
Holland 1996	Intervention group received levamisole that was not of interest for this review.
Hurlimann 2018	Intervention was not the anthelminthic treatment.
Islam 1976	Comparison group received pyrantel pamoate that was not of interest for this review.
Jalal 1998	Comparison groups received different cointerventions.
Jancloes 1979	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Jinabhai 2001	Treatment efficacy reported of a subsample of participants.
Joseph 2015	Intervention groups received anthelmintic treatment at different follow‐up times.
Kale 1981	Intervention groups received pyrantel pamoate and piperazine citrate + bephenium hydroxynaphthoate that were not of interest for this review.
Kale 1982	Intervention groups received different doses of pyrantel pamoate that was not of interest for this review.
Karyadi 1996	Not an RCT.
Kepha 2017	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Kirwan 2009	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Kirwan 2010	No outcomes of interest for this review.
Kugo 2018	Intervention group received carica papaya fruit seeds that were not of interest for this review.
Lai 1995	Intervention groups received pyrantel pamoate that was not of interest for this review.
Le Huong 2007	Ascaris lumbricoides prevalence reported after 2 treatment rounds.
Lechat 1974	Intervention groups received levamisole that was not of interest for this review.
Lionel 1969	Study compared levamisole to piperazine that were not of interest for this review.
Lynch 1997	Not outcomes of interest for this review.
Maipanich 1997	Not an RCT.
Mani 2002	Not an RCT.
Marti 1996	Ascaris lumbricoides pretreatment prevalence were not reported by each intervention group.
Martin 2018	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Mascie‐Taylor 1999	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Means 2018	Not a primary study.
Meyrowitsch 2001	Not an RCT.
Miller 1978	Not an RCT.
Moens 1978	Review.
Moser 2017a	No outcome of interest for this review.
Muchiri 2001	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Murray 1978	Not an RCT.
Naquira 1989	Not an RCT.
Ndibazza 2010	Deworming during pregnancy.
Ndibazza 2012	Deworming during pregnancy.
Ndyomugyenyi 2008	Deworming during pregnancy.
Newlove 2011	No outcomes of interest for this review.
Nokes 1999	It was not possible to know the number of participants in each intervention groups.
Nontasut 1997	Not an RCT.
Northrop‐Clewes 2001	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Okoyo 2016	Not an RCT.
Pene 1982	Ascaris lumbricoides prevalence after treatment not reported in placebo group.
Persson 2001	No outcome of interest for this review.
Pickering 2019	Intervention was not anthelmintic.
Pond 1970	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Pullan 2019	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Rahman 1996	Ascaris lumbricoides prevalence not reported for each intervention group.
Rahman 1998	Not an RCT.
Raj 1998	Not an RCT.
Reddy 1986	Intervention group received L‐tetramisole that was not of interest for this review.
Restrepo 1987	Ascaris lumbricoides pretreatment prevalence not reported.
Rousham 1994	Not an RCT.
Sarmah 1988	Comparison group received pyrantel that was not of interest for this review.
Seftel 1968	Intervention groups received piperazine or tetramisole that were not of interest for this review.
Seo 1980	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Sileshi 2017	All participants received the same anthelmintic.
Sinniah 1981	Intervention groups received pyrantel pamoate, oxantel pyrantel, and levamisole that were not of interest for this review.
Sood 1975	Intervention groups received pyrantel and tetramisole that were not of interest for this review.
Speich 2016	Follow‐up study of Speich 2014; participants already included in this review.
Staal 2018	Not an RCT.
Steinmann 2008	Intervention groups received pyrantel and tribendimidine that were not of interest for this review.
Stephenson 1990	RCT derived from Stephenson 1989. Participants already included in the review.
Stoltzfus 1997	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Stoltzfus 2001	Ascaris lumbricoides prevalence reported after multiple treatment rounds.
Supali 2017	Not an RCT.
Tankhiwale 1989	Comparison group received pyrantel that was not of interest for this review.
Tanumihardjo 2004	All participants received albendazole.
Taylor 2001	Ascaris lumbricoides prevalence reported after 2 anthelmintic rounds.
Thein‐Hlaing 1991a	Ascaris lumbricoides prevalence reported after 3 anthelmintic rounds.
Thein‐Hlaing 1991b	No outcome of interest for this review.
Urjel 1985	Not an RCT.
Vaz Nery 2019	All participants received albendazole.
Walson 2008	No outcome of interest for this review.
Walson 2010	No outcome of interest for this review.
Wang 1987	Not an RCT.
Watkins 1996b	Participants already included in Watkins 1996a.
Wesche 1994	Intervention groups received pyrantel pamoate that was not of interest for this review.
Whitworth 1991	Ascaris lumbricoides prevalence reported after multiple anthelmintic rounds.
Willett 1979	Intervention groups received levamisole that was not of interest for this review.
Williams 1997	Not an RCT.
Wright 2009	Ascaris lumbricoides prevalence reported after 3 anthelmintic rounds.
Yangco 1981	Not an RCT.
Yap 2014	Participants already included in this review.

RCT: randomized controlled trial.