From: A cross-sectional survey of factors influencing bone mass in junior high school students
Participants: | Boys | Girls | |||||
---|---|---|---|---|---|---|---|
Location of bone fractures* (N = 709): | Finger (N = 194) | Wrist (N = 83) | Foot (N = 53) | Finger (N = 112) | Foot (N = 27) | Wrist (N = 21) | |
Sports | |||||||
Soccer | 93 (13.1) | 26 (13.4) | 16 (19.3) | 16 (30.2) | 3 (2.7) | 1 (3.7) | 1 (4.8) |
Tennis | 21 (3.0) | 2 (1.0) | 3 (3.6) | 2 (3.8) | 2 (1.8) | 2 (7.4) | 2 (9.5) |
Baseball | 95 (13.4) | 44 (22.7) | 8 (9.6) | 3 (5.7) | 14 (12.5) | – | 1 (4.8) |
Dodge ball | 27 (3.8) | 14 (7.2) | 3 (3.6) | 2 (3.8) | 6 (5.4) | 1 (3.7) | – |
Basketball | 80 (11.3) | 28 (14.4) | 5 (6.0) | 1 (1.9) | 27 (24.1) | 6 (22.2) | 1 (4.8) |
Volleyball | 47 (6.6) | 6 (3.1) | 2 (2.4) | 2 (3.8) | 22 (19.6) | 3 (11.1) | – |
Combat sports (judo, karate) | 24 (3.4) | 4 (2.1) | 2 (2.4) | 5 (9.4) | 2 (1.8) | 2 (7.4) | – |
Kendo | 9 (1.3) | 4 (2.1) | – | 4 (7.5) | – | – | – |
Athletics | 38 (5.4) | 4 (2.1) | 3 (3.6) | 5 (9.4) | 2 (1.8) | 3 (11.1) | 1 (4.8) |
Table tennis | 7 (1.0) | 2 (1.0) | 3 (3.6) | – | – | – | – |
Other | 52 (7.3) | 16 (8.2) | 6 (7.2) | – | 12 (10.7) | 3 (11.1) | 6 (28.6) |
Total | 493 (69.5) | 150 (77.3) | 51 (61.3) | 40 (75.5) | 90 (80.4) | 21 (77.7) | 12 (57.3) |
Falling down stairs, off bicycles, etc. | 136 (19.2) | 20 (10.3) | 21 (25.3) | 9 (17.0) | 11 (9.9) | 4 (14.8) | 4 (19.1) |
Collision with walls or posts | 2 (0.3) | 1 (0.5) | – | 1 (1.9) | – | – | – |
Fighting | 5 (0.7) | 2 (1.0) | 1 (1.2) | 1 (1.9) | – | – | – |
Fingers crushed in gates or doors | 4 (0.6) | 1 (0.5) | – | – | 3 (2.7) | – | – |
Children’s games | 69 (9.7) | 20 (10.3) | 10 (12.0) | 2 (3.8) | 8 (7.1) | 2 (7.4) | 5 (23.8) |