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Table 1 Study epidemiology

From: The stepped wedge trial design: a systematic review

Lead Author

Date

Disease

Country

Setting

Gambia Hepatitis Study Group [4]

1987

Liver cancer

Gambia

Regions

Cook [17]

1996

Substance abuse

USA

Workplace

Wilmink [19]

1999

Ruptured abdominal aortic aneurysms

UK

GP surgeries

Somerville [14]

2002

Respiratory Health

UK

Houses in Watcombe

Fairley [15]

2003

HIV (Adherence to antiretroviral therapy)

Australia

Sexual health clinic

Hughes [12]

2003

HIV (Mother to child transmission)

Zambia and Uganda

Health clinics

Levy [16]

2004

HIV (Adherence to antiretroviral therapy)

Australia

Ambulatory care clinic in a tertiary hospital

Priestly [22]

2004

Critical care

UK

NHS hospital trust

Bailey [18]

2004

Water-borne diseases

South Africa

Households

Grant [20]

2005

TB in HIV+ men

South Africa

Company health centre

Ciliberto [21]

2005

Childhood malnutrition

Malawi

National rehabilitation units

Chaisson [13]

2005

TB in HIV+ men

Brazil

HIV clinics