Table 1 Sociodemographic characteristics of veterans with ankle-foot disorders
From: Chronic traumatic ankle and foot osteomyelitis: a nationwide case-control study
Characteristics | Case group (n = 30) | Control group (n = 90) | P value | ||
|---|---|---|---|---|---|
Frequency | Percent (%) | Frequency | Percent (%) | ||
Age groups | |||||
 Less than 34 years | 1 | 3.3 | 1 | 1.1 | 0.668 |
 35 to 44 years | 5 | 16.7 | 8 | 8.9 | |
 45 to 54 years | 15 | 50.0 | 57 | 63.3 | |
 55 to 64 years | 7 | 23.3 | 18 | 20.0 | |
 65 years and older | 2 | 6.7 | 6 | 6.7 | |
 Mean ± SD | 51.20 ± 8.91 | 51.90 ± 7.24 | |||
Disability rates | |||||
 25 to 49% | 24 | 80.0 | 72 | 80.0 | 0.913 |
 50 to 69% | 5 | 16.7 | 15 | 16.7 | |
 70% | 1 | 3.3 | 3 | 3.3 | |
 Mean ± SD | 36.17 ± 13.24 | 35.78 ± 12.76 | |||
Education | |||||
 Illiterate | 2 | 6.7 | 6 | 6.7 | 0.923 |
 Less than diploma | 14 | 46.7 | 33 | 36.7 | |
 Diploma | 7 | 23.3 | 33 | 36.7 | |
 University studies | 8 | 26.7 | 18 | 20.0 | |
Gender | |||||
 Male | 29 | 96.7 | 87 | 96.7 | 1.000 |
 Female | 1 | 3.3 | 3 | 3.3 | |
Employment | |||||
 Employed | 8 | 26.7 | 17 | 17.9 | 0.159 |
 Unemployed | 4 | 13.3 | 3 | 3.3 | |
 Employment status | 11 | 36.7 | 34 | 37.8 | |
 Retired | 7 | 23.3 | 36 | 40.0 | |
Other injuries | |||||
 Yes | 13 | 46.7 | 41 | 45.6 | 0.668 |
 No | 17 | 53.3 | 55 | 54.4 | |