Table 4

Distribution of birth years and kinship coefficients among married OOA couples with offspring in AGDB4.

Birth year

#(couples)

Average

25% percentile

Median

75% percentile


1866-1875

98

0.0244

0.0164

0.0258

0.0315

1876-1885

113

0.0272

0.0164

0.0258

0.0350

1886-1895

161

0.0272

0.0183

0.0267

0.0363

1896-1905

184

0.0286

0.0194

0.0292

0.0382

1906-1915

245

0.0289

0.0222

0.0309

0.0374

1916-1925

366

0.0300

0.0218

0.0297

0.0387

1926-1935

467

0.0317

0.0241

0.0318

0.0402

1936-1945

739

0.0310

0.0241

0.0326

0.0392

1946-1955

1,103

0.0315

0.0247

0.0319

0.0396

1956-1965

1,390

0.0335

0.0274

0.0344

0.0408

1966-1975

1,731

0.0352

0.0296

0.0352

0.0414

1976-1985

607

0.0363

0.0302

0.0359

0.0416


Union set

7,273

0.0326

0.0259

0.0333

0.0402


Birth year cohorts of ten years are reported in rows. A couple is assigned to the interval containing the average of the two birth years. Numbers of married OOA couples #(couples) and kinship coefficients are reported in columns. Couples born later tend to have larger kinship coefficients.

Lee et al. BMC Medical Genetics 2010 11:68   doi:10.1186/1471-2350-11-68

Open Data