Research Article
Season of Birth and Exceptional Longevity: Comparative Study of American Centenarians, Their Siblings, and Spouses
Table 3
Characteristics of centenarians born in 1880–1895 and their siblings and spouses. Values are numbers (percentages) or means (standard deviations).
| | Characteristic | Men | Women | Both Sexes |
| | Number of records (percent) | | | | | Centenarians, total | 365 (23.2) | 1,209 (76.8) | 1,574 (100.0) | | Centenarians with spouses | 231 (23.9) | 737 (76.1) | 968 (100.0) | | Siblings of centenarians | 5,731 (52.7) | 5,154 (47.3) | 10,885 (100.0) | | Spouses of centenarians | 814 (75.2) | 269 (24.8) | 1,083 (100.0) |
| | Mean age at death, years (standard deviation) | | | | | Centenarians, total | 101.5 (1.7) | 101.8 (1.9) | 101.7 (1.9) | | Centenarians with spouses | 101.5 (1.8) | 101.8 (2.0) | 101.8 (1.9) | | Siblings of centenarians | 62.9 (29.3) | 66.1 (30.7) | 64.3 (29.9) | | Spouses of centenarians | 72.69 (14.7) | 77.8 (17.1) | 73.9 (15.5) |
| | Mean year of birth (standard deviation) | | | | | Centenarians, total | 1887.0 (5.5) | 1888.6 (5.5) | 1888.2 (5.5) | | Centenarians with spouses | 1887.4 (5.0) | 1888.8 (4.7) | 1888.4 (4.8) | | Siblings of centenarians | 1888.6 (10.4) | 1889.0 (10.3) | 1888.8 (10.4) | | Spouses of centenarians | 1885.4 (7.5) | 1892.2 (7.2) | 1887.1 (8.0) |
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