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Table 1 Characteristics of original studies and the study populations

From: Effectiveness of indoor residual spraying on malaria control: a systematic review and meta-analysis

First author

Publication year

Study design

Study country

Study location

Population

Malaria epidemic level

Outcome

Diagnosis method

IRS drug

IRS coverage

Jambou

2001

Cross-sectional

Madagascar

168 municipalities

Children (mean 8.4 years)

High

Malaria parasites prevalence

Blood smear test

DDT

Unknown

Guyatt

2002

Cross-sectional

Kenya

Gucha District

General population

High

Plasmodium falciparum infection

RDT

Pyrethroids

Unknown

Gunasekaran

2005

Cross-sectional

India

Intervention: 54 villages

Control: 10 villages

General population

High

Plasmodium falciparum infection

Blood smear test

DDT

≥ 80%

Sintasath

2005

Cross-sectional

Eritrea

2779 households (12,937 individuals) from 5 zobas

General residents (except children aged < 1 month)

Low

Plasmodium falciparum and Plasmodium vivax infection

RDT

Multiple

Unknown

Singh

2006

Cross-sectional

India

40 villages

Children ≤ 10 years; > 10 years

High

Malaria

RDT, blood smear test

Pyrethroids

≥ 80%

Kleinschmidt

2006

Cross-sectional

Equatorial Guinea

15 sentinel sites

2–15 years

High

Plasmodium falciparum infection

RDT, blood smear test (PCR)

Multiple

≥ 80%

Protopopoff

2008

Cross-sectional

Burundi

4 zones

1–9 years, > 9 years

High

Malaria infection, high-density parasitemia, clinical malaria

Blood smear test, RDT

Multiple

≥ 80%

Tseng

2008

Cohort

South Sudan

All districts

Children aged < 9 years

High

Malaria parasitemia

Blood smear test

Pyrethroids

≥ 80%

Bukirwa

2009

Cross-sectional

Uganda

Kanungu District

General population

Medium

Clinical malaria

Microscopy

Pyrethroids

≥ 80%

Zhou

2010

Cohort

Kenya

1100 houses

Children aged < 14 years

High

Malaria incidence, Plasmodium parasite infection, Plasmodium parasite prevalence

RDT, blood smear test

Pyrethroids

≥ 80%

Rehman

2011

Cross-sectional

Malawi

14 sentinel sites

< 15 years

High

Malaria

RDT, blood smear test

Pyrethroids

< 80%

Rehman

2011

Cross-sectional

Mainland Equatorial Guinea

2 provinces

< 15 years

High

Malaria

RDT, blood smear test

Multiple

< 80%

Aregawi

2011

Cross-sectional

Zanzibar

6 inpatients facilities out of 7 in Zanzibar

General population

High

Malaria

Clinical judgement

Pyrethroids

≥ 80%

Hamusse

2011

Cross-sectional

Ethiopia

22 sprayed and 22 unsprayed villages

General population

High

Malaria incidence

Blood smear test

DDT

≥ 80%

Skarbinski

2012

Cross-sectional

Malawi

1 district (Nkhotakota District)

Children aged < 5 years

High

Malaria parasitemia

Blood smear test

Pyrethroids

≥ 80%

Fullman

2013

Cross-sectional

17 countries in sub-Saharan Africa

NA

Children aged < 5 years

High

Parasitemia

RDT and/or blood smear test

Multiple

Unknown

Steinhardt

2013

Cross-sectional

Uganda

3 districts

0–59 months

High

Parasite prevalence

RDT

Multiple

≥ 80%

Mashauri

2013

Cross-sectional

Tanzania

6 villages

Children aged < 5 years

High

Malaria parasitemia

Blood smear test

Multiple

Unknown

Mashauri

2013

Cross-sectional

Tanzania

6 villages

Children aged 5–14 years

High

Malaria parasitemia

Blood smear test

Multiple

Unknown

Mashauri

2013

Cross-sectional

Tanzania

6 villages

Children aged ≥ 15 years

High

Malaria parasitemia

Blood smear test

Multiple

Unknown

West

2013

Cross-sectional

Tanzania

68 villages

Children aged 0.5–14 years

Medium

Plasmodium falciparum infection

RDT

Pyrethroids

≥ 80%

Gimnig

2016

Cross-sectional

Kenya

2 districts

General population

High

Clinical malaria

Parasitemia with fever

Pyrethroids

< 80%

Hamainza

2016

Cross-sectional

Zambia

165 households in districts of Luangwa and Nyimba

General population

High

Malaria

RDT

Multiple

< 80%

Kesteman

2016

Case-control

Madagascar

31 sentinel health centres

General population

High

Clinical malaria

RDT or microscopy

Pyrethroids

< 80%

Odugbemi

2016

Cross-sectional

Nigeria

20 local government areas

< 5 years

High

Parasitemia

RDT

Pyrethroids

≥ 80%

Kesteman

2016

Cross-sectional

Madagascar

4 southern study sites

Children aged 0.5–14 years

Low

Plasmodium infection

RDT

Pyrethroids

Unknown

Kesteman

2016

Cross-sectional

Madagascar

21 of all targeted zones except the south

Children aged 0.5–14 years

Low

Plasmodium infection

RDT

Pyrethroids

Unknown

Wanzira

2017

Cross-sectional

Uganda

210 areas

Children aged < 5 years

High

Malaria parasitemia

Blood smear test

Methyl carbamate

Unknown

Raouf

2017

Cross-sectional

Uganda

City (Apac District)

< 14 years

High

Malaria

Microscopy or RDT

Multiple

≥ 80%

Rek

2018

Cohort

Uganda

Subcounty

0.5–11 years

High

Parasite prevalence, malaria incidence

Blood smear test

Methyl carbamate

Unknown

Hast

2019

Cross-sectional

Zambia

Nchelenge District

General population

High

Plasmodium falciparum

RDT

Multiple

≥ 80%

Nankabirwa

2019

Cohort

Uganda

Subcounty

0.5–10 years and ≥ 18 years

High

Microscopic parasitemia

Blood smear test

Unknown

Unknown

Loha

2019

RCT

Ethiopia

44 villages

General residents

High

Malaria incidence, anemia

RDT

Methyl carbamate

≥ 80%

Tugume

2019

Cohort

Uganda

1 district

≥ 18 years

High

Malaria

RDT, blood smear test

Pirimiphos-methyl

≥ 80%

Arinaitwe

2020

Case-control

Uganda

1 hospital

General population with a history of recent overnight travel

Low

Malaria

RDT

Pirimiphos-methyl

Unknown

Habyarimana

2020

Cross-sectional

Rwanda

Village

Children aged 6 months to 14 years

High

Malaria

RDT

Pyrethroids

< 80%

Kamya

2020

Cohort

Uganda

Tororo District

Children aged 6 months to 2 years

High

Parasitemia

Microscopy, PCR

Multiple

≥ 80%

Wubishet

2021

Case-control

Ethiopia

1 district

General population

High

Malaria

RDT

Methyl carbamate

≥ 80%

Smith

2021

Case-control

The Republic of Nabimia

1 district (Zambezi River region)

Residents aged < 76 years

High

Parasite, Plasmodium falciparum

RDT

DDT

< 80%

Siegert

2021

Case-control

India

1 district (Mangaluru)

Residents aged > 18 years

Low

Plasmodium infection

PCR

Multiple

< 80%

Chaccour

2021

RCT

Mozambique

Rural Mopeia District

Children aged < 5 years

High

Malaria

RDT

Pirimiphos-methyl

Unknown

Fekadu

2021

Cross-sectional

Ethiopia

Health center

Patients in Heben Arsi District

Medium

Malaria

Blood smear test

Methyl carbamate

Unknown

  1. RCT randomized controlled trial, RDT rapid diagnostic test, PCR polymerase chain reaction, DDT dichloro-diphenyl-tricgloroethane