Table 3 Prevalance of family history of cancer and corresponding 95% confidence intervals by birth cohort in seven Japanese cohort studies.

From: Prevalence of family history of cancer in the NC-CCAPH consortium of Japan

Birth cohort

Participants

Total cancer

Parent

Sibling

Breast

Colorectal

Gastric

Liver

Lung

Prostate

 ≤ 1929

15,653

23.64

(22.97–24.31)

14.23

(13.69–14.79)

12.30

(11.79–12.83)

1.10

(0.93–1.13)

1.80

(1.58–2.05)

6.08

(5.67–6.51)

1.39

(1.20–1.61)

1.83

(1.61–2.08)

5.66

(4.23–7.34)

Men

7,229

23.52

(22.54–24.51)

14.62

(13.82–15.46)

11.84

(11.11–12.61)

1.06

(0.81–1.34)

1.93

(1.58–2.32)

6.16

(5.55–6.81)

1.18

(0.92–1.50)

1.79

(1.47–2.17)

3.04

(1.63–5.15)

Women

8,424

23.74

(22.84–24.67)

13.89

(13.16–14.65)

12.69

(11.99–13.42)

1.14

(0.90–1.42)

1.69

(1.41–2.02)

6.01

(5.47–6.59)

1.57

(1.29–1.89)

1.87

(1.56–2.21)

7.86

(5.67–10.55)

1930–1939

53,451

28.50

(28.12–28.88)

19.39

(19.05–19.73)

12.09

(11.82–12.37)

2.23

(2.10–2.36)

3.34

(3.19–3.50)

9.80

(9.54–10.06)

2.45

(2.32–2.59)

3.95

(3.78–4.12)

5.18

(4.78–5.60)

Men

25,718

28.42

(27.87–28.97)

20.16

(19.66–20.66)

11.60

(11.22–12.01)

2.30

(2.12–2.50)

3.31

(3.09–3.54)

9.69

(9.33–10.07)

2.36

(2.17–2.56)

3.94

(3.70–4.19)

4.17

(3.67–4.71)

Women

27,733

28.57

(28.04–29.11)

18.68

(18.22–19.14)

12.54

(12.15–12.94)

2.16

(1.99–2.34)

3.37

(3.15–3.59)

9.90

(9.54–10.26)

2.55

(2.36–2.74)

3.95

(3.72–4.20)

6.22

(0.56–0.69)

1940–1949

98,286

35.61

(35.31–35.91)

26.73

(26.45–27.01)

13.87

(13.66–14.10)

3.64

(3.52–3.76)

5.91

(5.76–6.07)

13.13

(12.91–13.35)

3.24

(3.13–3.35)

6.11

(5.96–6.27)

4.25

(4.08–4.43)

Men

48,253

34.80

(34.38–35.23)

27.18

(26.78–27.60)

12.63

(12.33–12.94)

3.24

(3.08–3.41)

5.63

(5.42–5.85)

12.81

(12.51–12.13)

3.00

(2.84–3.16)

5.91

(5.70–6.14)

4.09

(3.85–4.35)

Women

50,033

36.38

(35.96–36.81)

26.31

(25.93–26.71)

15.02

(14.71–15.34)

4.01

(3.83–4.18)

6.18

(5.97–6.40)

13.42

(13.12–13.73)

3.46

(3.30–3.63)

6.29

(6.08–6.51)

4.40

(4.16–4.66)

1950–1959

67,902

40.47

(40.10–40.84)

37.12

(36.71–37.52)

10.23

(9.98–10.49)

4.27

(4.10–4.45)

7.83

(7.60–8.06)

14.57

(14.28–14.87)

3.71

(3.56–3.88)

7.92

(7.70–8.16)

4.41

(4.22–4.60)

Men

36,705

38.12

(37.62–38.62)

36.25

(35.67–36.93)

8.73

(8.39–9.07)

3.80

(3.57–4.04)

7.56

(7.23–7.89)

14.00

(13.58–14.44)

3.53

(3.31–3.77)

7.61

(7.28–7.94)

4.23

(3.96–4.51)

Women

31,197

43.23

(42.68–43.78)

37.90

(36.34–38.46)

11.58

(11.21–11.95)

4.70

(4.45–4.95)

8.08

(7.76–8.40)

15.09

(14.67–15.51)

3.88

(3.65–4.11)

8.21

(7.89–8.53)

4.56

(4.30–4.84)

1960–1969

48,539

34.63

(34.21–35.06)

37.59

(37.03–38.14)

4.65

(4.44–4.90)

4.10

(3.87–4.33)

7.57

(7.27–7.88)

11.48

(11.11–11.85)

3.38

(3.17–3.59)

6.26

(5.98–6.54)

4.57

(4.33–4.82)

Men

29,560

31.65

(31.12–32.18)

36.12

(35.31–36.93)

3.87

(3.55–4.21)

3.78

(3.46–4.12)

7.13

(6.70–7.58)

10.82

(10.30–11.36)

3.24

(2.94–3.55)

5.93

(5.54–6.35)

4.57

(4.23–4.94)

Women

18,979

39.29

(38.60–39.99)

38.87

(38.10–38.46)

5.33

(4.98–5.70)

4.38

(4.06–4.71)

7.95

(7.53–8.39)

12.06

(11.55–12.58)

3.50

(3.21–3.80)

6.54

(6.15–6.94)

4.57

(4.25–4.91)

1970–1979

31,140

22.03

(21.57–22.50)

28.16

(27.32–29.01)

2.69

(2.30–3.13)

4.03

(3.67–4.41)

5.24

(4.83–5.67)

7.76

(7.27–8.28)

2.13

(1.87–2.42)

3.73

(3.38–4.10)

3.24

(2.92–3.59)

Men

20,628

19.62

(19.08–20.17)

26.40

(25.19–27.63)

2.51

(2.10–2.98)

3.83

(3.32–4.39)

5.20

(4.61–5.85)

7.69

(6.98–8.46)

1.96

(1.60–2.38)

3.49

(3.01–4.03)

2.73

(2.30–3.21)

Women

10,512

26.76

(25.92–27.62)

29.66

(28.50–30.84)

2.69

(2.30–3.13)

4.20

(3.70–4.74)

5.27

(4.71–5.86)

7.82

(7.16–8.53)

2.27

(1.91–2.68)

3.93

(3.45–4.45)

3.68

(3.22–4.19)

Total

343,053

31.23

(31.08–31.38)

27.95

(27.78–28.12)

11.23

(11.00–11.24)

3.43

(3.36–3.50)

5.75

(5.66–5.84)

11.97

(11.84–12.10)

3.05

(2.99–3.12)

5.75

(5.66–5.84)

4.37

(4.26–4.47)

Men

190,399

28.75

(28.55–28.96)

27.85

(27.60–28.11)

10.16

(10.00–10.33)

3.15

(3.05–3.25)

5.53

(5.40–5.66)

11.66

(11.48–11.84)

2.88

(2.78–2.97)

5.57

(5.44–5.70)

4.13

(3.98–4.28)

Women

152,654

34.32

(34.08–34.56)

28.04

(27.80–28.28)

11.99

(11.82–12.17)

3.68

(3.58–3.78)

5.94

(5.82–6.07)

12.26

(12.08–12.44)

3.21

(3.12–3.31)

5.75

(5.66–5.84)

4.59

(4.44–4.74)

  1. Participants for family history of total cancer; total includes those birth year is > 1980; J-ECOH only total cancer; Suita only total, parent and sibling; > 1980 only total cancer J-ECOH participants 28,082; prevalence 7.33 (95%CI: 7.03–7.64).