Variables | Cases (n=175) | Controls (n=2372) | P |
---|---|---|---|
Body coordination | |||
 Shoulder asymmetries | 8 (4.6) | 77 (3.2) | 0.346 |
 Unequal length of legs | 1 (0.6) | 41 (1.7) | 0.361 |
 Asymmetrical back | 6 (3.4) | 31 (1.3) | 0.038 |
 Hunchback | 25 (14.3) | 217 (9.1) | 0.025 |
 Crooked neck | 8 (4.6) | 60 (2.5) | 0.137 |
Vertebral discomfort | |||
 Neck pain | 74 (42.3) | 787 (33.2) | 0.014 |
 Chest pain | 17 (9.7) | 298 (12.6) | 0.269 |
 Waist pain | 37 (21.1) | 464 (19.6) | 0.612 |
Postural habits | |||
 Write or read on your stomach | 32 (18.3) | 442 (18.6) | 0.909 |
 Curl up with a book | 15 (8.6) | 162 (6.8) | 0.382 |
 Sleep on one side | 109 (62.3) | 1340 (56.5) | 0.135 |
 Paralyzed sitting | 13 (7.4) | 169 (7.1) | 0.880 |
 Sleep on your stomach | 18 (10.3) | 371 (15.6) | 0.057 |
 Cross your legs | 20 (11.4) | 295 (12.4) | 0.696 |
 Watch TV in bed | 28 (16.0) | 349 (14.7) | 0.644 |
 Play mobile phone in bed | 60 (34.3) | 947 (39.9) | 0.141 |
Exercise methods | |||
 Badminton | 95 (54.3) | 1065 (44.9) | 0.016 |
 Basketball | 42 (24.0) | 824 (34.7) | 0.004 |
 Football | 20 (11.4) | 269 (11.3) | 0.972 |
 Table tennis | 20 (11.4) | 313 (13.2) | 0.503 |
 Shuttlecock | 7 (4.0) | 87 (3.7) | 0.822 |
 Dance | 31 (17.7) | 331 (14.0) | 0.169 |
 Roller skating | 43 (24.6) | 536 (22.6) | 0.548 |
 Ride on a bicycle | 132 (75.4) | 1708 (72.0) | 0.329 |
 Chinese Kungfu | 13 (7.4) | 239 (10.1) | 0.258 |
 Running | 102 (58.3) | 1434 (60.5) | 0.571 |
 Swimming | 63 (36.0) | 877 (37.0) | 0.797 |