Table 1.

Demographic, physical fitness, body composition, hormonal and psychological factors in those completing survival training and those who drop-out (mean + sd).

Characteristics	Completers (n = 49)	Drop Outs (n = 20)
Age (yrs.)	19.6 ± 1.0	19.6 ± 0.8
Physical fitness
12 min running test (m)	2754 ± 196	2652 ± 247
Sit-ups (reps/min)	43 ± 8	39 ± 9
Push-ups (reps/min)	37 ± 12	33 ± 15
Standing long jump (cm)	224 ± 19	214 ± 23
Maximal isometric force of the lower extremities (N)	3230 ± 810	2840 ± 860
Maximal isometric force of the upper extremities (N)	870 ± 210	800 ± 170
Medicine ball throw (cm)	603 ± 78	592 ± 69
6 s maximal cycle performance (max W)	837 ± 131	771 ± 132
Body composition
Body mass index	23.2 ± 2.6	22.5 ± 3.0
%Body fat	13.1 ± 4.9	13.8 ± 6.1
Body mass (kg)	75.0 ± 10.4	72.3 ± 11.1
Body height (cm)	179.7 ± 6.7	179.2 ± 5.7
Skeletal muscle mass (kg)	36.9 ± 4.9	35.1 ± 4.2
Fat mass (kg)	10.0 ± 4.7	10.4 ± 6.2
Hormonal profile
Testosterone (nmol/L)	17.5 ± 6.0	20.1 ± 5.8
DHEA (nmol/L)	8.65 ± 3.93	10.71 ± 4.17
Cortisol (nmol/L)	439 ± 103	476 ± 115
BDNF (nmol/L)	19.0 ± 5.5	18.1 ± 5.5
CRP (nmol/L)	1.77 ± 3.64	1.73 ± 2.86
IGF-1 (nmol/L)	25.2 ± 4.5	27.0 ± 5.2
SHBG (nmol/L)	29.6 ± 11.5	27.1 ± 9.2
Psychological factors
Hardiness	2.99 ± 0.34	2.87 ± 0.36
Sense of Coherence	4.87 ± 0.74	4.76 ± 0.68
Depression	1.38 ± 0.36	1.48 ± 0.52
Stress	1.91 ± 0.47	2.05 ± 0.54
Cohesion	3.82 ± 0.38	3.74 ± 0.48
Big Five: neuroticism	−1.45 ± 0.92	−1.35 ± 0.95
Big Five: extraversion	0.96 ± 0.98	0.70 ± 1.00
Big Five: openness	0.90 ± 0.95	0.60 ± 0.85
Big Five: agreeableness	1.32 ± 0.80	1.18 ± 0.87
Big Five: conscientiousness	1.48 ± 0.88	1.27 ± 0.76
Adverse childhood experiences	30.12 ± 2.06	29.95 ± 2.28
Core self-evaluation: self-esteem	2.38 ± 0.47	2.48 ± 0.42
Core self-evaluation: generalized self-efficacy	2.65 ± 0.29	2.70 ± 0.26
Core self-evaluation: locus of control	2.99 ± 0.60	2.93 ± 0.55
Core self-evaluation: neuroticism	3.63 ± 0.86	3.63 ± 0.90