Characteristics | Participants in the Final Model | Excluded Participants | p-value |
---|---|---|---|
 | N (%) | N (%) |  |
   Total | 14,474 (73) | 5378 (27) |  |
   Male | 5944 (41) | 1887 (35) | <.0001 |
   Education |  |  |  |
Less than High School | 1670 (12) | 798 (15) | Â |
High School | 3751 (26) | 1525 (28) | <.0001 |
Some College | 3963 (27) | 1407 (26) | Â |
College Diploma | 5090 (35) | 1628 (30) | Â |
   Income |  |  |  |
Less than $20,000 per year | 3071 (21) | 623 (22) | Â |
$20,000 to $35,000 per year | 3991 (28) | 797 (28) | 0.42 |
$35,000 to $75,000 per year | 4904 (34) | 914 (32) | Â |
$75,0000 or more per year | 2508 (17) | 484 (17) | Â |
   Age |  |  |  |
Less than 55 years | 1885 (13) | 585 (11) | Â |
55 to 59 years | 2583 (18) | 848 (16) | Â |
60 to 64 years | 2759 (19) | 1052 (20) | <.0001 |
65 to 69 years | 2654 (18) | 1038 (19) | Â |
70 to 74 years | 2063 (14) | 758 (14) | Â |
75 to 79 years | 1443 (10) | 653 (12) | Â |
80 or more years | 1087 (8) | 436 (8) | Â |
   Black | 6291 (44) | 2046 (38) | <.0001 |
   Region |  |  |  |
Non Belt/Buckle | 6802 (47) | 2158 (40) | Â |
Stroke Belt | 5228 (36) | 2074 (39) | <.0001 |
Stoke Buckle | 2444 (17) | 1145 (21) | Â |
   Season |  |  |  |
Summer | 5542 (38) | 2080 (39) | Â |
Fall | 2957 (20) | 1116 (21) | 0.76 |
Winter | 2891 (20) | 1040 (19) | Â |
Spring | 3084 (21) | 1142 (21) | Â |
   Never Used Alcohol | 4291 (30) | 1842 (34) | <.0001 |
   Depressed | 1605 (11) | 653 (13) | 0.0047 |
   PCS-12 (mean, stddev) | 46.2 (10.6) | 45.9 (10.5) | 0.0449 |