Distribution of age and education levels in years for the United States and Japanese study populationsa
United States | Japan | |||||||
---|---|---|---|---|---|---|---|---|
Cases (n = 371) | Controls (n = 373) | Cases (n = 410) | Hospital controls (n = 252) | Community controls (n = 411) | ||||
Age | ||||||||
≤39 | 1.6 | 1.3 | 1.7 | 2.4 | 1.5 | |||
40–49 | 5.7 | 8.6 | 10.0 | 15.5 | 10.0 | |||
50–59 | 20.8 | 18.5 | 24.2 | 34.1 | 22.1 | |||
60–69 | 42.9 | 42.4 | 42.2 | 35.7 | 41.1 | |||
≥70 | 29.1 | 29.2 | 22.0 | 12.3 | 25.3 | |||
Total | 100 | 100 | 100 | 100 | 100 | |||
Education level in years | ||||||||
<12 | 17.6 | 11.5 | 52.8 | 43.0 | 42.4 | |||
=12 | 27.6 | 22.8 | 22.6 | 26.3 | 19.8 | |||
>12 | 54.9 | 65.7 | 24.6 | 30.7 | 37.8 | |||
Total | 100 | 100 | 100 | 100 | 100 |
a Distribution is by percentage.