Page 99 - JSOM Winter 2023

TABLE 3 Cont.
Group, %*
Variable Total Control PD <4 x/week PD ≥4 x/week p-value
How often take prescription or OTC meds to sleep?
Every day 4.0 4.8 4.4 3.1 >.05
Almost every day 4.0 6.5 4.4 1.5 >.05
Seldom/rarely 17.0 17.7 13.2 23.1 >.05
Never 74.9 71.0 78.0 72.3 >.05
Currently have an injury?
Yes 42.7 48.4 41.8 38.5 >.05
No 57.3 51.6 58.2 61.5 >.05
Location of injury
Shoulder 53.2 46.7 52.6 64.0 .44
Thigh 4.3 6.7 2.6 4.0 .72
Leg 4.3 6.7 2.6 4.0 .72
Back 50.0 50.0 42.1 60.0 .38
Elbow 11.7 13.3 7.9 16.0 .60
Knee 25.5 26.7 23.7 28.0 .92
Arm 4.3 3.3 5.3 4.0 .92
Forearm 2.1 3.3 2.6 0.0 .68
Hip 14.9 6.7 23.7 12.0 .14
Wrist/hand 21.3 16.7 15.8 36.0 .12
Ankle/foot 16.0 10.0 15.8 20.0 .58
Other 6.4 6.7 7.9 4.0 .83
No. of current injuries
1 40.9 43.3 44.7 32.0 >.05
2 26.9 33.3 26.3 20.0 >.05
3 16.1 16.7 13.2 20.0 >.05
4 11.8 3.3 13.2 20.0 >.05
5 2.2 0.0 2.6 4.0 >.05
6 2.2 3.3 0.0 4.0 >.05
Type of injury
Overuse 67.9 61.9 71.4 68.2 >.05
Traumatic 51.3 61.9 51.4 40.9 >.05
Length of injury
<6 weeks 19.3 17.2 19.4 21.7 >.05
>6 weeks 86.4 89.7 83.3 87.0 >.05
Mechanism of injury
Combat – battle 12.4 14.8 13.2 8.3 .77
Combat – non-battle 11.2 7.4 15.8 8.3 .50
Combatives 13.5 0.0* 13.2 29.2* .01*
Gradual Onset 38.2 25.9 34.2 58.3 .05
Motor vehicle accident 5.6 7.4 5.3 4.2 .88
Non-military activity 3.4 3.7 2.6 4.2 .94
Recreational sports 10.1 7.4 10.5 12.5 .83
Training – airborne operations 21.3 14.8 26.3 20.8 .54
Training – fastrope 3.4 0.0 5.3 4.2 .50
Training – field exercise 12.5 14.8 13.5 8.3 .76
Training – physical (individual) 40.4 29.6 39.5 54.2 .21
Training – physical (THOR3) 4.5 7.4 2.6 4.2 .66
Training – physical (unit) 12.4 11.1 13.2 12.5 .97
Training-Schools 16.9 11.1 † 7.9* 37.5* † .01*, .04 †
Other 1.1 0.0 2.6 0.0 .51
Unknown 6.7 11.1 0.0 12.5 .09
Currently have pain?
Yes 41.6 40.0 44.6 40.0 >.05
No 58.4 60.0 55.4 60.0 >.05
Pain Severity Score;
range: 0–8, median (IQR) 1.38 (3.00) 1.50 (3.00) 1.25 (2.75) 1.50 (3.00) .05
Pain Interference Score;
range: 0–6, median (IQR) 0.29 (2.00) 0.43 (2.00) 0.14 (1.93) 0.29 (1.86) .93
*and represent columns significantly different from each other.
†
‡ As measured by the General Self-Efficacy Scale (range 0–30).
IQR= interquartile range; OTC = over the counter; PSQI = Pittsburgh Sleep Quality Index; range: 0–21; THOR3 = Tactical Human Optimization,
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