Table 1.
Demographic, Behavioral, and Medical History Data Obtained Before Randomization
| Variable | Södra skånska regementet (n=10 officers) |
Karlberg(n=21 academy trainees) |
N=31 (combined) |
P-value |
|---|---|---|---|---|
| Demographic or Behavioral Variables | ||||
| Age (years) | 29.6 (3.13) | 23.3 (3.2) | 25.4 (4.3) | <0.0001 |
| Sex (% Male) | 90.0% | 85.7% | 87.1% | 1.0 |
| Current Smoker (% Yes) | 10.0% | 9.5% | 9.7% | 1.0 |
| Exposure of loud sounds In Leisure Time (% Yes) |
50.0% | 23.8% | 31.0% | 0.21 |
| Exposure to Loud Music (% Yes) |
37.5% | 66.7% | 58.6% | 0.21 |
| Accidental Exposure to Loud Impulse Noise (% Yes) |
60.0% | 23.8% | 35.5% | 0.10 |
| Medical History Variables | ||||
| History of Loose Stools (% Yes) |
0% | 0% | 0% | NA |
| History of Diarrhea (% Yes) |
0% | 0% | 0% | NA |
| Current Steroid Use (% Yes) |
0% | 0% | 0% | NA |
| History of Tinnitus after Noise exposure (% Yes) |
70.0% | 71.4% | 71.0% | 1.0 |
| Experience of Hearing Loss (% Yes) |
20.0% | 10.0% | 13.0% | 0.30 |
| History of Ear Infections (% Yes) |
44.4% | 33.3% | 37.0% | 0.68 |
Mean (S.D) or Percentage are presented as appropriate. P-value for age is from a two-sample t-test; all other p-values are from Fisher exact tests.