TABLE 1.
Descriptive Statistics of the Study Population, BCOPS 2010–2014
| All (n = 253) |
Women (n = 71) |
Men (n = 182) |
|
|---|---|---|---|
| Mean (SD) | Mean (SD) | Mean (SD) | |
|
| |||
| Age, yrs | 47.4 (9.3) | 46.5 (8.8) | 47.7 (9.5) |
| Years of service | 19.9 (9.4) | 17.8 (8.7) | 20.8 (9.5) |
| Alcohol intake, drinks/wk | 5.0 (9.4) | 2.5 (3.2) | 6.0 (10.8) |
| Physical activity, hrs/wk | 7.5 (8.3) | 6.3 (4.8) | 7.9 (9.3) |
| Body mass index, kg/m2 | 29.3 (4.8) | 27.0 (5.0) | 30.2 (4.4) |
| Waist circumference, cm | 96.6 (13.7) | 85.3 (11.7) | 101.1 (11.8) |
| Systolic blood pressure, mmHg | 116.3 (l1.4) | 112.4(12.1) | 117.8 (10.8) |
| Diastolic blood pressure, mmHg | 78.0 (7.9) | 75.0 (7.2) | 79.1 (7.9) |
| Fasting glucose, mg/dL | 96.6 (20.0) | 91.5 (10.9) | 98.6 (22.3) |
| Triglyceride, mg/dL | 120.4 (86.0) | 93.1 (79.2) | 131.1 (86.3) |
| HDL cholesterol, mg/dL | 48.5 (13.7) | 58.4 (15.7) | 44.6 (10.5) |
| LDL cholesterol, mg/dL | 124.2 (34.0) | 125.6(31.4) | 123.7 (35.0) |
| Total cholesterol, mg/dL | 196.5 (37.3) | 201.9 (35.6) | 194.3 (37.8) |
| Hs-CRP, mg/L | 2.6 (2.9) | 3.1 (3.6) | 2.4 (2.6) |
| Interleukin 6, pg/mL | 2.0 (1.7) | 2.0 (1.9) | 2.0 (1.7) |
| Fibrinogen, mg/dL | 326.3 (76.3) | 339.6 (104.2) | 321.1 (61.7) |
| Tumor necrosis factor a, pg/mL | 3.7 (4.6) | 4.0 (8.1) | 3.5 (2.0) |
| Sleep duration (PSQI), hrs/24-hr | 6.1 (1.1) | 6.1 (1.4) | 6.1 (1.0) |
| Metabolic syndrome severity score (z-score) | 0.0 (0.8) | −0.6 (0.8) | 0.2 (0.7) |
| Central retinal arteriolar equivalent, pm | 155.2 (13.4) | 156.7(15.3) | 154.7 (12.6) |
| Central retinal venular equivalent, pm | 223.1 (19.8) | 224.7 (21.8) | 222.4 (18.9) |
|
| |||
| n (%) | n (%) | n (%) | |
|
| |||
| Race/ethnicity | |||
| White/Hispanic | 201 (79.5) | 49 (69.0) | 152 (83.5) |
| African American | 52 (20.5) | 22(31.0) | 30 (16.5) |
| Education | |||
| ≤HS/GED | 23 (9.1) | 3 (4.2) | 20 (11.0) |
| <4 yrs college | 126 (49.8) | 39 (54.9) | 87 (47.8) |
| ≥4 yrs college | 104(41.1) | 29 (40.9) | 75 (41.2) |
| Smoking status | |||
| Current | 27 (10.7) | 9 (12.9) | 18 (9.9) |
| Former | 76 (30.2) | 28 (40.0) | 48 (26.4) |
| Never | 149 (59.1) | 33 (47.1) | 116 (63.7) |
| Sleep quality | |||
| Good | 56 (23.0) | 15 (21.7) | 41 (23.6) |
| Poor | 187(77.0) | 54 (78.3) | 133 (76.4) |
| Rank | |||
| Patrol officer | 141 (56.6) | 45 (63.4) | 96 (53.9) |
| Sergeant/Lieut/Capt | 49 (19.7) | 13 (18.3) | 36 (20.2) |
| Det/Exec/other | 59 (23.7) | 13 (18.3) | 46 (25.9) |
| Shiftwork (entire career) | |||
| Day | 120 (47.8) | 49 (70.0) | 71 (39.2) |
| Afternoon | 82 (32.7) | 13 (18.6) | 69 (38.1) |
| Night | 49 (19.5) | 8(11.4) | 41 (22.7) |
| Hypertension medication | |||
| No | 194 (76.7) | 61 (85.9) | 133 (73.1) |
| Yes | 59 (23.3) | 10(14.1) | 49 (26.9) |
| Diabetes medication | |||
| No | 247 (97.6) | 71 (100.0) | 176 (96.7) |
| Yes | 6 (2.4) | 0 (0.0) | 6 (3.3) |
| Lipids medication | |||
| No | 197 (77.9) | 64(90.1) | 133 (73.1) |
| Yes | 56(22.1) | 7 (9.9) | 49 (26.9) |
| Metabolic syndrome | |||
| Yes (>3 components) | 75 (29.6) | 13 (18.3) | 62 (34.1) |
| No | 178 (70.4) | 58 (81.7) | 120 (65.9) |
Hs-CRP, high sensitivity C-reactive protein.