Variable | No. examined | No. positive | Prevalence | |
---|---|---|---|---|
n | n | % | 95% CI | |
Prefecture | Â | Â | Â | Â |
 Tokyo | 124 | 30 | 24.2 | 17.5–32.5 |
 Kanagawa | 44 | 6 | 11.6 | 6.0–27.0 |
 Gunma | 10 | 0 | 0 | 0–32.1 |
Sex | Â | Â | Â | Â |
 Male | 109 | 20 | 18.3 | 12.2–26.8 |
 Female | 69 | 16 | 23.2 | 14.8–34.5 |
Age | Â | Â | Â | Â |
 Adult | 138 | 25 | 18.1 | 12.6–25.5 |
 Juvenile | 40 | 11 | 27.5 | 16.1–43.0 |
Total | 178 | 36 | 20.2 | 15.0–26.8 |