Survey year | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
All years | 2008 | 2012 | 2016 | |||||||
N | (%) | N | (%) | N | (%) | N | (%) | P a | ||
Total | 7902 | (100) | 2528 | (100) | 2651 | (100) | 2723 | (100) | ||
Gender | Boys | 3742 | (47.4) | 1230 | (48.7) | 1218 | (45.9) | 1294 | (47.5) | 0.145 |
Girls | 4160 | (52.6) | 1298 | (51.3) | 1433 | (54.1) | 1429 | (52.5) | ||
Grade | 10th | 2662 | (33.7) | 873 | (34.5) | 914 | (34.5) | 875 | (32.1) | 0.212 |
11th | 2650 | (33.5) | 856 | (33.9) | 873 | (32.9) | 921 | (33.8) | ||
12th | 2590 | (32.8) | 799 | (31.6) | 864 | (32.6) | 927 | (34.0) | ||
Region | Okinawa Island | 7005 | (88.6) | 2183 | (86.4) | 2370 | (89.4) | 2452 | (90.0) | <0.001 |
Remote islands | 897 | (11.4) | 345 | (13.6) | 281 | (10.6) | 271 | (10.0) | ||
Parental education | High | 2579 | (32.6) | 772 | (30.5) | 962 | (36.3) | 845 | (31.0) | <0.001 |
Middle | 1937 | (24.5) | 613 | (24.3) | 595 | (22.4) | 729 | (26.8) | ||
Low | 3386 | (42.9) | 1143 | (45.2) | 1094 | (41.3) | 1149 | (42.2) | ||
Family structure | Both parents | 5670 | (71.8) | 1840 | (72.8) | 1911 | (72.1) | 1919 | (70.5) | 0.038 |
Others | 395 | (5.0) | 128 | (5.1) | 146 | (5.5) | 121 | (4.4) | ||
Single parent | 1837 | (23.2) | 560 | (22.2) | 594 | (22.4) | 683 | (25.1) | ||
School type | General HS | 5391 | (68.2) | 1701 | (67.3) | 1839 | (69.4) | 1851 | (68.0) | 0.258 |
Vocational HS | 2511 | (31.8) | 827 | (32.7) | 812 | (30.6) | 872 | (32.0) |