Table 1.
Demographic characteristics of the prison’s population (n = 8574)
| Characteristics | Younger n = 7107 |
Older n = 1467 |
All n = 8574 |
p valuea
Younger vs older |
|---|---|---|---|---|
| Age, mean (SD) in years | 32.4 (8.4) | 57.2 (6.8) | 36.7 (12.4) | |
| Age, range in years | 16–49 | 50–88 | 16–88 | |
| Gender | 0.003 | |||
| Female | 637 (9.0) | 97 (6.6) | 734 (8.6) | |
| Male | 6470 (91.0) | 1370 (93.4) | 7840 (91.4) | |
| Race | <0.0001 | |||
| Black | 1913 (26.9) | 309 (21.1) | 2222 (25.9) | |
| Hispanic | 507 (7.1) | 45 (3.1) | 552 (6.4) | |
| White | 4473 (62.9) | 1089 (74.2) | 5562 (64.9) | |
| Other | 214 (3.0) | 24 (1.6) | 238 (2.8) | |
| Marital status | <0.0001 | |||
| Married | 1199 (17.0) | 408 (28.1) | 1607 (18.9) | |
| Single | 953 (13.5) | 619 (42.6) | 1572 (18.5) | |
| Divorced or widowed | 4884 (69.4) | 425 (29.3) | 5309 (62.6) | |
| Highest level of education | <0.0001 | |||
| College graduate | 57 (0.8) | 43 (3.0) | 100 (1.2) | |
| Some college | 142 (2.1) | 66 (4.6) | 208 (2.5) | |
| High school/ equivalent | 5266 (76.0) | 991 (69.5) | 6257 (74.9) | |
| Less than high school | 1300 (18.8) | 270 (18.9) | 1570 (18.8) | |
| Other | 160 (2.3) | 56 (3.9) | 216 (2.6) | |
| Body mass index, kg/m2 | <0.0001 | |||
| < 18.5 (underweight) | 18 (0.2) | 4 (0.3) | 22 (0.3) | |
| 18.5- < 25.0 (normal) | 1697 (23.9) | 191 (13.0) | 1888 (22.0) | |
| 25- < 30 (overweight) | 2848 (40.1) | 594 (40.5) | 3442 (40.1) | |
| ≥ 30 (obese) | 2544 (35.8) | 678 (46.2) | 3222 (37.6) | |
| History of tobacco use | 3864 (54.4) | 562 (38.1) | 4426 (51.6) | <0.0001 |
| Pack-years for smokers only, mean (SD) | 13.3 (11.2) | 34.9 (23.3) | 16.0 (15.2) | <0.0001 |
| Smokeless years, mean (SD) | 6.6 (6.9) | 18.4 (16.1) | 7.8 (9.0) | <0.0001 |
| Medical Conditions, mean (SD) | 1.1 (1.3) | 2.6 (2.1) | 1.4 (1.6) | <0.0001 |
| Chronic Medical Conditions | <0.0001 | |||
| 0 | 2924 (41.4) | 268 (18.3) | 3192 (37.2) | |
| 1 | 2286 (32.7) | 297(20.3) | 2583 (30.1) | |
| 2–3 | 1500 (21.1) | 465 (31.7) | 1965 (22.9) | |
| ≥ 4 | 397 (5.6) | 437 (29.8) | 834 (9.7) |
a p-values are from Fisher’s exact test or the Pearson chi-square statistic
Values represent numbers and percentages unless indicated otherwise