Table 2 The influence of fertility on the longevity of rural older women

Number of children

−0.555***

(0.151)

Number of sons

−2.362**

−1.261***

(1.104)

(0.187)

Number of daughters

0.351*

0.436**

(0.182)

(0.178)

Marital status

5.705***

5.801***

6.096***

5.504***

(0.897)

(0.906)

(0.956)

(0.933)

Ethnic group

0.312

0.280

0.843

0.247

(0.760)

(0.771)

(0.901)

(0.888)

Education status

−3.764***

−4.165***

−4.120***

−4.406***

(0.932)

(0.933)

(0.969)

(0.943)

Living with family

2.231***

2.205***

2.273***

2.118***

(0.688)

(0.699)

(0.748)

(0.735)

Hypertension

−3.035***

−3.271***

−3.453***

− 3.231***

(0.668)

(0.673)

(0.721)

(0.701)

Diabetes

−4.968***

−4.366***

−3.949***

− 4.992***

(1.317)

(1.338)

(1.393)

(1.365)

Cardiovascular diseases

−0.590

− 0.503

− 0.460

0.055

(0.717)

(0.727)

(0.768)

(0.748)

Apoplexy

−2.136**

−1.952**

−1.716*

−1.358

(0.886)

(0.905)

(0.943)

(0.905)

Respiratory diseases

1.994**

1.999**

1.906*

2.057**

(0.989)

(1.005)

(1.033)

(1.018)

Cancer

−6.997***

−7.183***

−7.050***

−6.692***

(1.580)

(1.592)

(1.636)

(1.567)

Medical insurance

−1.988**

−1.953**

−1.772*

− 1.617*

(0.882)

(0.891)

(0.969)

(0.952)

Public older adult insurance

−0.656

− 0.698

− 0.634

−0.967

(0.676)

(0.685)

(0.718)

(0.708)

Smoking

−13.315*

− 14.618*

− 15.538*

− 15.614**

(7.883)

(7.942)

(8.030)

(7.679)

Clean energy in the kitchen

0.399

0.406

0.274

0.582

(0.552)

(0.560)

(0.591)

(0.580)

Middle region

−0.951

−0.852

−1.170

− 0.855

(0.708)

(0.724)

(0.756)

(0.741)

West region

−1.734**

−1.434**

− 1.553**

−1.840**

(0.713)

(0.726)

(0.751)

(0.739)

Constant term

95.654***

95.781***

92.450***

92.749***

(1.396)

(1.622)

(1.455)

(1.475)

Obs.

834

827

754

754

R-squared

0.242

0.231

0.234

0.246