Table 3 A summary of other worldwide studies concerning CDK

1 [10]

1980

82

Australia

aborigine

aged 33 and above

43.9%

2^a [6]

1981

2500

1100

42,000

Labrador^a

Inuit

Indian

Caucasians

aged 40 and above

64–95%

77–100%

(11–100%)

3 [11]

1981

350

Australia

Of all age

14.9%

4 [12]

1984

189

127

659

810

Japan

(Kyoto)

(Jordan)

(Greenland)

(Denmark)

Of all age

30.7%

39.4%

12.3%

4.3%

5 [13]

1984

646

Labrador

unclear

19.0%

6^b [14]

1988

3241

Chad

unclear

0.2–1.6%

7 [15]

1989

838

Maryland

watermen

aged 20 and above

19.3%

8 [16]

1989

1519

Transkei

Of all age

11.7%

9 [17]

1991

1117

1329

Republic of Djibouti

urban

rural

aged 40 and above

0.5%

2.8%

10 [7]

1991

1949

China

Inner Mongolia

aged 30 and above

8.1%

11 [18]

1994

4312

Mongolia

aged 40 and above

26.5%

12 [5]

1995

225

Rwanda

of all age

2.7%

13 [19]

2006

577

Argentine

Patagonia

of all age

7.6%

14 [20]

2014

1054

Ethiopia

Southwest Ethiopia

Of all age

4.4%

15 [21]

2015

125

Argentina

aged 20 and above

20.0%

16 [22]

2017

5012

India

Western Rajasthan

aged 40 and above

10.7%