Skip to main content

Table 1 Characteristics of included clinical trials in the meta-analysis

From: The relationship between dairy products intake and breast cancer incidence: a meta-analysis of observational studies

Author, year

Country

Age of recruitment (year)

Age of analysis (year)

Follow-up time (year)

No. of cases

No. of participants

Characteristics

Kaluza, 2020

Swedish

48–83

63.6 ± 9.4

16.6

1870

33,780

The Swedish Mammography Cohort

Farvid, 2018

Amercia

25–42

37.1 ± 4.6

NA

4509

90,503

The Nurses’ Health Study II cohort

Fraser, 2020

Amercia

≥30

57.1 ± 3.5

7.9

1057

25,795

The Adventist Health Study-2

Genkinger, 2013

Amercia

21–69

NA

12

1268

59,027

The Black Women’s Health Study

Kesse-Guyot, 2007

French

35–60

51.2 ± 6.3

8

92

3627

The French SU.VI.MAX Study

Knekt, 1996

Finland

15–90

39.1 ± 16.5

25

88

4697

The Finnish Mobile Clinic Health Examination Survey

Shin, 2002

Amercia

35–70

46.7 ± 7.6

16.5

3482

88,691

The Nurses’Health Study

Pala, 2009

European

25–70

50.8 ± 8.4

8.8

7119

319,826

Cancer and Nutrition cohort

Marcondes, 2019

Netherlands

≥55

68.3 ± 8.7

17

199

3092

The Rotterdam Study

Shin, 2019

Korean

40–69

52.7 ± 7.9

6.3

359

78,320

The Health Examinees-Gem

Hjartåker, 2010

Norway

26–64

56.8 ± 6.7

8.6

1407

64,904

The Norwegian Women and Cancer study

McCullough, 2005

Amercia

50–74

62.2 ± 4.2

9

2855

97,786

The Cancer Prevention Study II Nutrition Cohort

Gaard, 1995

England

35–49

43.5 ± 8.4

7–13

248

25,892

The Norwegian National Health Screening Services

Wirfält, 2011

Sweden

45–73

NA

10.3

544

17,035

The Malmo Diet and Cancer Cohort

Yu, 2019

China

25–70

NA

NA

1286

2747

NA

Franceschi, 1995

Italy

23–74

55.3 ± 4.3

NA

2569

55,175

NA

Galván-Salazar, 2015

Mexican

40–65

50.7 ± 7.5

NA

97

201

NA

Potischman, 2002

Amercia

20–44

NA

NA

568

2019

NA

Jayalekshmi, 2009

India

≥20

46.4 ± 3.6

NA

792

1056

NA

Hirose, 2003

Japan

≥30

NA

NA

2385

21,398

NA

Bao, 2012

China

25–70

NA

NA

3443

6917

The Shanghai Breast Cancer Study

Van ‘t Veer, 1991

Netherlands

25–44, 55–64

NA

1.5

133

422

NA

Bahadoran, 2013

Iran

30–65

46.2 ± 8.9

NA

100

275

NA

Toniolo, 1994

Amercia

35–65

52.2 ± 8.4

22.2

180

1009

The New York University Women’s Health Study

Plagens-Rotman, 2017

Poland

21–84

52.5 ± 11.1

NA

79

762

NA

Lima, 2008

Brazil

30–80

56.3 ± 6.8

NA

89

183

NA

Lê, 1986

French

40–70

NA

NA

1010

2960

NA

Shannon, 2003

Amercia

50–64

NA

NA

440

810

NA

Kato, 1992

Japan

≥20

NA

NA

908

1816

NA

Mobarakeh, 2014

Iran

20–65

40.2 ± 10.1

NA

53

93

NA

Potischman, 1998

Amercia

≤45

NA

NA

1647

3148

NA

McCann, 2017

Amercia

35–75

45.5 ± 5.9

NA

1857

3059

NA

Zhang, 2011

China

25–70

47.0 ± 9.5

NA

438

876

NA

van’t Veer, 1989

Netherlands

25–64

NA

NA

133

548

NA

Ronco, 2002

Uruguay

≤85

NA

NA

111

333

NA

Ahmadnia, 2016

Iran

36–50

NA

NA

225

450

NA

  1. NA: not available