Table 1.
Demographic Characteristics of Survey Respondents (n = 6,846), by Geographic Designation, Behavioral Risk Factor Surveillance System, Montana, 2008
| Characteristic | County Designation | P Valued | ||
|---|---|---|---|---|
|
| ||||
| Metropolitana (n = 1,411), % (95% CI) | Nonmetropolitan Adjacentb (n = 1,267), % (95% CI) | Nonmetropolitan Nonadjacentc (n = 4,168), % (95% CI) | ||
| Age, y | ||||
| 18-44 | 47.8 (44.2-51.3) | 39.9 (35.5-44.4) | 43.9 (41.7-46.2) | .01 |
| 45-64 | 35.7 (32.6-38.7) | 38.5 (34.8-42.2) | 37.8 (35.9-39.7) | |
| ≥65 | 16.6 (14.8-18.3) | 21.6 (19.0-24.2) | 18.3 (17.0-19.5) | |
| Sex | ||||
| Male | 49.2 (45.7-52.7) | 49.8 (45.7-53.9) | 49.4 (47.2-51.6) | .99 |
| Female | 50.8 (47.3-54.3) | 50.2 (46.1-54.3) | 50.6 (48.4-52.8) | |
| Race | ||||
| White | 95.2 (93.5-96.9) | 85.8 (82.1-89.4) | 93.4 (92.3-94.4) | <.001 |
| Other | 4.8 (3.1-6.5) | 14.2 (10.6-17.9) | 6.6 (5.4-7.7) | |
| Annual household income, $ | ||||
| <25,000 | 19.2 (16.5-22.0) | 27.6 (24.1-31.1) | 21.3 (19.6-23.1) | <.001 |
| 25,000-49,999 | 28.6 (25.4-31.7) | 28.7 (24.7-32.6) | 29.3 (27.3-31.3) | |
| ≥50,000 | 42.2 (38.8-45.6) | 31.4 (27.7-35.2) | 37.8 (35.7-39.9) | |
| Unknown | 10.0 (8.1-11.9) | 12.3 (9.8-14.8) | 11.6 (10.2-13.0) | |
| Education, y | ||||
| <12 | 4.9 (3.5-6.2) | 7.7 (5.6-9.8) | 6.8 (5.6-7.9) | <.001 |
| 12 | 27.9 (24.8-31.1) | 36.2 (32.0-40.4) | 31.4 (29.3-33.4) | |
| >12 | 67.2 (63.9-70.5) | 56.1 (51.9-60.3) | 61.9 (59.7-64.0) | |
| Health insurance status | ||||
| Has insurance | 87.1 (84.6-89.6) | 77.1 (73.2-80.9) | 82.6 (80.8-84.4) | <.001 |
| Has no insurance | 12.9 (10.4-15.4) | 22.9 (19.1-26.7) | 17.4 (15.6-19.2) | |
| Body mass index, kg/m2 | ||||
| <25.0 (not overweight or obese) | 36.1 (32.7-39.5) | 39.5 (35.2-43.7) | 39.1 (36.9-41.2) | .51 |
| 25.0-29.9 (overweight) | 39.6 (36.1-43.1) | 36.3 (32.4-40.2) | 37.1 (35.0-39.2) | |
| ≥30.0 (obese) | 24.3 (21.3-27.3) | 24.3 (20.8-27.7) | 23.8 (22.0-25.7) | |
Abbreviation: CI, confidence interval.
a
Counties in metropolitan areas of fewer than 250,000 people.
b
Nonmetropolitan counties adjacent to a metropolitan area.
c
Nonmetropolitan counties not adjacent to a metropolitan area.
d
P values calculated by using χ2 test.