Table 1.

Demographics.

Demographic/Characteristic	1997-1998 Survey full sample (N = 1291) N (%) Mean ± SD (Range)	Study sample (N = 317)
Age at Baseline Survey, years	32.0 ± 9.0 (19-65)	32.3 ± 8.4 (19-54)
Age at 1997-1998 Survey, years	37.8 ± 9.0 (24.5-71.1)	37.9 ± 8.4 (25.1-59.5)
Age at 2013-2017 Survey, years		54.2 ± 8.5 (41-78)
Male, n (%)	1160 (89.9%)	279 (88.0%)
Caucasian, n (%)*	1147 (88.8%)	294 (92.7%)
Active Duty, n (%) (vs Reserve, National Guard)	298 (23.1%)	59 (18.6%)
Mississippi PTSD scale-score	61.7 ± 13.3 (36-120)	62.1 ± 14.4 (37-120)
Clinical cutoff on Mississippi scale-score (>89), n (%)	62 (4.8%)	19 (6.0%)

^*P < .05.