Table 1
Number and sex of live births that occurred in Nagasaki and Fukuoka before and after the incident
| Fukuoka | Nagasaki | Total | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Boys | Girls | p Value | Boys | Girls | p Value | Boys | Girls | p Value | |||
| Before the incident: | |||||||||||
| January 1967–January 1968 | 13 | 10 | 0.680 | 3 | 5 | 0.497 | 16 | 15 | 1.000 | ||
| After the incident: | |||||||||||
| February 1968–December 1968 | 10 | 5 | 0.304 | 1 | 5 | 0.116 | 11 | 10 | 1.000 | ||
| January 1969–December 1971 | 18 | 10 | 0.129 | 6 | 6 | 1.000 | 24 | 16 | 0.343 | ||
| January 1972–December 1977 | 14 | 10 | 0.545 | — | — | — | — | — | — | ||
| Total (after the incident) | 42 | 25 | 0.067 | 7 | 11 | 0.349 | 49 | 36 | 0.278 | ||
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Statistical tests were conducted by applying binomial probability tests using the probability of the birth of a boy of 0.513 obtained from statistics of Japan, 1967.
