Table 1.
Participants’ characteristics by interventions and age groups
| Characteristics | Age <21 years (n=2117) | Age ≥21 years (n=852) | ||||
|---|---|---|---|---|---|---|
| BTI+AG (n=1034) n (%) | AG (n=566) n (%) | CTA (n=517) n (%) | BTI+AG (n=404) n (%) | AG (n=205) n (%) | CTA (n=243) n (%) | |
| Age (years)* | 18.8 (18;19;19) | 18.8 (18;19;19) | 18.8 (18;19;19) | 23.4 (21;22;24) | 23.6 (21;23;24) | 23.4 (21;22;25) |
| Male | 728 (70.4) | 369 (65.2) | 385 (74.5) | 271 (67.1) | 149 (72.7) | 173 (71.2) |
| Race | ||||||
| Black | 202 (19.5) | 110 (19.4) | 94 (18.2) | 87 (21.5) | 30 (14.6) | 58 (23.9) |
| White | 652 (63.1) | 348 (61.5) | 339 (65.6) | 237 (58.7) | 126 (61.5) | 133 (54.7) |
| Multi-race | 106 (10.3) | 64 (11.3) | 53 (10.3) | 40 (9.9) | 22 (10.7) | 24 (9.9) |
| Other | 74 (7.2) | 44 (7.8) | 31 (6.0) | 40 (9.9) | 27 (13.2) | 28 (11.5) |
| Hispanic | 220 (21.3) | 106 (18.7) | 103 (19.9) | 94 (23.3) | 50 (24.4) | 57 (23.5) |
| Married | 49 (4.7) | 23 (4.1) | 21 (4.1) | 92 (22.8) | 41 (20.0) | 45 (18.5) |
| Education level | ||||||
| High school diploma/GED | 795 (76.9) | 418 (73.9) | 407 (78.7) | 107 (26.5) | 71 (34.6) | 75 (30.9) |
| Vocational training | 11 (1.1) | 1 (0.2) | 1 (0.2) | 0 (0.0) | 6 (2.9) | 3 (1.25) |
| Some college/associate’s | 226 (21.9) | 134 (23.7) | 105 (20.3) | 219 (54.2) | 101 (49.3) | 121 (49.8) |
| Bachelor’s degree or higher | 2 (0.2) | 13 (2.3) | 4 (0.8) | 78 (19.3) | 27 (13.2) | 44 (18.1) |
| Military rank | ||||||
| Active duty | 940 (91.3) | 503 (89.8) | 456 (88.4) | 322 (80.1) | 167 (82.7) | 189 (78.8) |
| Guard | 67 (6.5) | 43 (7.7) | 44 (9.5) | 54 (13.4) | 23 (11.4) | 28 (11.7) |
| Reserve | 23 (2.2) | 14 (2.5) | 11 (2.1) | 26 (20.5) | 12 (5.9) | 23 (9.6) |
| Prior tobacco use | ||||||
| Regular mono use | 136 (13.2) | 69 (12.2) | 60 (11.6) | 39 (9.7) | 29 (14.2) | 32 (13.2) |
| Regular dual/poly use | 121 (11.7) | 69 (12.2) | 73 (14.2) | 41 (10.2) | 15 (7.4) | 24 (9.9) |
| Seldom use | 102 (9.9) | 59 (10.4) | 43 (8.3) | 50 (12.4) | 17 (8.3) | 24 (9.9) |
| Non-use | 673 (65.2) | 368 (65.1) | 340 (65.9) | 274 (67.8) | 143 (70.1) | 163 (67.1) |
| Prior ENDS use | ||||||
| Regular ENDS mono use | 69 (7.0) | 36 (6.4) | 27 (5.2) | 10 (2.5) | 8 (3.9) | 8 (3.3) |
| Regular concurrent use of ENDS and other products | 75 (7.3) | 50 (8.9) | 56 (10.9) | 23 (5.7) | 7 (3.4) | 15 (6.2) |
| Regular other products use | 113 (11.0) | 52 (9.2) | 50 (9.7) | 47 (11.6) | 29 (14.2) | 33 (13.6) |
| Seldom use | 102 (9.9) | 59 (10.4) | 43 (8.3) | 50 (12.4) | 17 (8.3) | 24 (9.9) |
| Non-use | 673 (65.2) | 368 (65.1) | 340 (65.9) | 274 (67.8) | 143 (70.1) | 163 (67.1) |
| Tobacco use at 3 months | ||||||
| Regular mono use | 80 (8.6) | 43 (8.9) | 41 (9.0) | 28 (7.9) | 9 (5.1) | 12 (5.6) |
| Regular dual/poly use | 78 (8.4) | 34 (7.0) | 43 (9.5) | 16 (4.5) | 7 (4.0) | 12 (5.6) |
| Seldom use | 58 (6.3) | 30 (6.2) | 23 (5.1) | 27 (7.6) | 12 (6.9) | 15 (7.0) |
| Non-use | 711 (76.7) | 377 (77.9) | 348 (76.5) | 285 (80.1) | 147 (84.0) | 175 (81.8) |
| ENDS use at 3 months | ||||||
| Regular ENDS mono use | 49 (5.3) | 26 (5.4) | 21 (4.6) | 11 (3.1) | 4 (2.3) | 3 (1.4) |
| Regular concurrent use of ENDS and other products | 59 (6.4) | 24 (5.0) | 27 (5.9) | 7 (2.0) | 5 (2.3) | 9 (4.2) |
| Regular other products use | 50 (5.4) | 27 (5.6) | 36 (7.9) | 26 (7.3) | 7 (4.0) | 12 (5.6) |
| Seldom use | 58 (6.3) | 30 (6.2) | 23 (5.1) | 27 (7.6) | 12 (6.9) | 15 (7.0) |
| Non-use | 711 (76.7) | 377 (77.9) | 348 (76.5) | 285 (80.1) | 147 (84.0) | 175 (81.8) |
*
Mean (1st quartile; median; 3rd quartile). BTI: brief tobacco intervention. CTA: national cancer institute’s clearing the air intervention. AG: airman’s guide intervention. GED: general educational development.