Page 98 - JSOM Winter 2023

TABLE 3 Physical Domain Metrics by Physical Domain (PD) Participation
Group, %*
Variable Total Control PD <4 x/week PD ≥4 x/week p-value
Test, mean, 95% CI
Bench press, kg 115.5 (112.9–118.1) 115.9 (110.9–120.9) 110.9 (107.4–114.9)* 121.2 (116.2–126.4)* .00*
Weighted pull-up, kg 123.3 (121.2–125.4) 119.8 (116.7–123.0) † 122.2 (118.8–125.7) 128.0 (124.1–132.-0) † .01 †
Squat, kg 139.4 (135.9–143.1) 137.5 (130.8–144.2) † 132.2 (127.3–137.1)* 150.5(143.6–157.5)* † .00 , .01*
†
†
Deadlift, kg 166.3 (162.2–170.1) 161.8 (153.9–169.8) † 160.8 (155.7–166.0)* 176.9 (169.4–184.3)* † .01 , .00*
Strength-to-weight ratio 5.9 (5.8–6.1) 5.8 (5.4–6.1) † 5.8 (5.5–6.0)* 6.3 (6.1–6.6)* † .01 , .01*
†
†
Broad Jump, cm 248.7 (245.9–251.7) 244.1 (238.8–249.2) † 247.1 (242.6–251.7) 255.5 (250.4–260.6) † .01 , .05*
5–10–5 shuttle, seconds 5.0 (4.9–5.0) 5.0 (5.0–5.1) 5.0 (4.9–5.0) 4.9 (4.9–5.0) .13
300-yard shuttle T1, seconds 67.1 (66.4–67.8) 67.9 (66.5–69.2) 66.9 (65.9–67.9) 66.7 (65.3–68.0) .39
300-yard shuttle T2, seconds 70.9 (70.2–71.7) 71.7 (70.3–73.2) 70.6 (69.2–72.0) 70.7 (69.4–71.9) .44
Avg. 300-yard shuttle, seconds 68.9 (68.2–69.5) 69.3 (68.0–70.7) 68.7 (67.6–69.7) 68.7 (67.5–69.8) .66
Handgrip right, kg 68.4(66.9–69.9) 66.7(63.5–69.9) 68.6(66.8–70.4) 69.6 (66.3–72.8) .36
Handgrip left, kg 65.3 (63.8–66.9) 63.7 (60.7–66.8) 66.0 (63.9–68.0) 65.8 (62.6–68.9) 0.49
Body composition, % fat 11.4 (10.9–11.9) 11.7 (10.7–12.7) 11.5 (10.8–12.3) 11.0 (10.1–11.9) .54
Body mass index (BMI, kg/m ) 27.4 (27.0–27.7) 27.6 (26.9–28.2) 27.1 (26.5–27.7) 27.5 (26.8–27.7) .55
2
Times met with THOR3 dietitian
Never 47.3 66.1* † 41.8* 33.3 † .01*, .00 †
Yearly 30.8 24.2 34.1 34.8 >.05
2×/year 12.1 4.8 16.5 13.6 >.05
Quarterly 7.1 4.8 7.7 9.1 >.05
Monthly 1.3 0.0 0.0 4.5 >.05
Weekly 1.3 0.0 0.0 4.5 >.05
Effective mindset, median (IQR) ‡ 26.0 (7.00) 24.0 (7.00) 27.0 (6.50) 27.0 (6.00) .08
Ever told you have a concussion?
Yes 45.3 42.6 53.8 37.9 >.05
No 54.7 57.4 46.2 62.1 >.05
How many concussions?
None 49.1 52.5 40.7 55.4 >.05
1–2 27.9 26.2 34.1 23.1 >.05
3–5 14.0 9.8 15.4 15.4 >.05
>5 9.0 11.5 9.9 6.2 >.05
PSQI, median (IQR) 4.00 (4.75) 5.00 (5.00) 5.00 (5.00) 3.50 (5.00) .27
Poor sleep quality (PSQI >5) 48.6 50.8 52.2 45.2 .68
On average, how many hours sleep in a 24h period?
During the work/duty week?
≤4 hours 1.4 0.0 1.1 3.1 >.05
5 hours 8.6 8.2 5.5 13.8 >.05
6 hours 29.9 31.1 33.0 24.6 >.05
7 hours 44.8 44.3 49.5 36.9 >.05
≥8 hours 15.4 16.4 11.0 21.5 >.05
During the weekends/days off?
≤4 hours 0.5 0.0 1.2 0.0 >.05
5 hours 3.8 3.4 1.2 6.3 >.05
6 hours 12.7 17.2 15.3 6.3 >.05
7 hours 29.7 31.0 32.9 25.0 >.05
≥8 hours 53.3 48.3 49.4 62.5 >.05
How much sleep do you need (per 24 hours)?
≤4 hours 3.2 3.2 1.1 6.3 >.05
5 hours 3.2 4.8 3.3 1.6 >.05
6 hours 31.5 43.5 25.6 26.6 >.05
7 hours 33.3 24.2* 44.4* 26.6 .03*
≥8 hours 28.8 24.2 25.6 39.1 >0.05
Bothered by lack of energy because of poor sleep?
Not at all bothered 45.5 43.5 41.1 52.3 >.05
Slightly bothered 36.5 40.3 41.1 26.2 >.05
Moderately bothered 15.3 14.5 15.6 16.9 >.05
Severely bothered 2.7 1.6 2.2 4.6 >.05
Past week how rate satisfaction with sleep?
Excellent 22.5 17.7 16.7 35.4 >.05
Good 46.8 54.8 48.9 33.8 >.05
Fair 19.4 16.1 21.1 21.5 >.05
Poor 11.3 11.3 13.3 9.2 >.05
(continues)
96 | JSOM Volume 23, Edition 4 / Winter 2023