Table 1.
Western Alaska Tribal Collaborative for Health (WATCH) Study Demographics
| Characteristic | Yukon Kuskokwim (n=2650) | Norton Sound (n=1919) | P-value | WATCH total (n=4569) |
|---|---|---|---|---|
| Sociodemoaraphics | ||||
| Age (years), mean (s.d.) | 39.1 (16.1) | 43.1 (16.2) | <0.001 | 40.8 (16.3) |
| Sex | 0.409 | |||
| Female, n (%) | 1409 (53) | 1044 (54) | 2453 (54) | |
| Male, n (%) | 1241 (47) | 875 (46) | 2116 (46) | |
| Last grade completed, mean (s.d.) | 9.8 (3.1) | 11.7 (2.3) | <0.001 | 10.6 (2.9) |
| Clinical factors | ||||
| Glycemic status | 0.471 | |||
| Normal fasting glucose, (<100 mg/dL) n (%) | 1898 (72) | 1405 (73) | 3303 (72) | |
| Impaired fasting glucose (100-125 mg/dL), n (%) | 624 (24) | 423 (22) | 1047 (23) | |
| Diabetes (>126 mg/dL), n (%) | 128 (5) | 91(5) | 219 (5) | |
| Hypertension a | <0.001 | |||
| Normal, n (%) | 1234 (47) | 897 (47) | 2131 (47) | |
| Prehypertension, n (%) | 684 (26) | 616 (32) | 1300 (28) | |
| Hypertension, n (%) | 732 (28) | 406 (21) | 1138 (25) | |
| Body mass index (BMI), mean (s.d.) | 28.1 (6.1) | 27.3 (5.8) | <0.001 | 27.8 (6.0) |
| Total cholesterol (mg/dL), mean (s.d.) | 207.5 (44.1) | 206.9 (429) | 0.634 | 207.2 (43.6) |
| High-density lipoprotein cholesterol (mg/dL), mean (s.d) | 60.3 (17.8) | 58.2 (17.9) | <0.001 | 59.4 (17.9) |
| Low-density lipoprotein cholesterol (mg/dL), mean (s.d.) | 128.2 (38.5) | 126.8 (41.6) | 0.247 | 127.6 (39.9) |
| Trialycerides (mg/dL), mean (s.d.) | 95.1 (61.0) | 111.7 (83.5) | <0.001 | 101.9 (71.7) |
| Smoking status b | <0.001 | |||
| Never, n (%) | 968 (37.0) | 325 (17.1) | 1293 (29) | |
| Current/former smoker, n (%) | 1646 (63.0) | 1576 (82.9) | 3222 (71) |
a
Hypertension was defined as measured systolic blood pressure >140, ICD-9 code 401 in the medical record, or use of anti-hypertensive medication.
b
missing = 54