Table 3 Distribution of the Mayak PA workers by various parameters.

From: Dose rate effect on mortality from ischemic heart disease in the cohort of Russian Mayak Production Association workers

Parameter

Entire cohort

Resident subcohort

Both

Males

Females

Both

Males

Females

Calendar period of hire, years

 1948–1953

8406

5485

2921

3693

2336

1357

 1954–1958

3891

3233

658

2010

1572

438

 1959–1963

3837

3221

616

2149

1662

487

 1964–1972

2769

2197

572

2202

1682

520

 1973–1978

2371

1770

601

2087

1523

564

 1979–1982

1103

782

321

1015

709

306

Age at hire, years old

 ≤ 20

7804

6642

1162

4431

3744

687

 21–30

10,348

7491

2857

5792

4113

1679

 31–40

3002

1795

1207

2093

1157

936

 > 40

1223

760

463

840

470

370

Duration of employment, years

 < 1

1057

840

217

201

133

68

 1–10

8174

6160

2014

1706

1152

554

 > 10

13,146

9688

3458

11,249

8199

3050

Age at death of those who died, years

 ≤ 20

16

15

1

15

14

1

 21–30

318

294

24

216

197

19

 31–40

572

520

52

332

290

42

 41–50

1255

1137

118

734

656

78

 51–60

2926

2536

390

1765

1501

264

 61–70

3995

3314

681

2410

1943

467

 71–80

3567

2393

1174

2327

1543

784

 81–90

1546

734

812

1182

537

645

 > 90

167

74

93

131

49

82

Age at the end of the follow-up of those who were alive, years

 ≤ 60

1150

1050

100

691

625

66

 61–70

2593

2153

440

1383

1073

310

 71–80

2256

1282

974

1175

742

433

 81–90

874

353

521

697

285

412

 > 90

102

32

70

97

29

68