Table 4 Checks on the relation between fertility and excess female survival at various old ages

All eight cohorts (1862–1866, …, 1932–1936)

 Intercept

0.774

0.104

< 0.001

1.072

0.114

< 0.001

1.713

0.157

< 0.001

 Fertility (I_f)

− 1.112

0.142

< 0.001

− 1.865

0.256

< 0.001

− 3.336

0.399

< 0.001

 Survival

− 0.409

0.118

< 0.001

− 0.104

0.205

0.612

7.734

2.157

< 0.001

df = 93

R² = 0.46

S = 0.43

df = 93

R² = 0.54

S = 0.67

df = 77

R² = 0.70

S = 0.93

Three youngest cohorts (1912–1916, 1922–1926, 1932–1936)

 Intercept

0.727

0.109

< 0.001

0.698

0.193

0.001

0.861

0.254

0.006

 Fertility (I_f)

-0.511

0.124

< 0.001

-0.669

0.282

0.013

-1.389

0.394

0.002

 Survival

− 0.685

0.106

< 0.001

− 0.667

0.300

0.035

4.281

4.158

0.325

 Male LCM

0.003

0.001

0.001

0.007

0.002

0.002

0.011

0.003

0.004

 Female LCM

− 0.006

0.003

0.019

− 0.009

0.010

0.192

− 0.008

0.022

0.361

df = 43

R² = 0.78

S = 0.09

df = 27

R² = 0.71

S = 0.18

df = 11

R² = 0.84

S = 0.53