Table 1.
Demographics and Bivariate Analysis of Participants With Prehypertension During Visit 2 in the ARIC Study (N = 2,334) and Percentage of Each Group Developing Hypertension and Coronary Heart Disease
| Development of Hypertension | Development of CHD/CHD Death | ||||
| Variable | Population No. (%) | % | χ2P Value | % | χ2P Value |
| Age category | <.001 | .014 | |||
| 48–57 y | 1,176 (50.4) | 53.0 | 9.6 | ||
| 58–67 y | 1,158 (49.5) | 63.2 | 12.9 | ||
| Sex | <.001 | <.001 | |||
| Male | 1,127 (48.3) | 53.2 | 17.0 | ||
| Female | 1,207 (51.7) | 62.6 | 5.8 | ||
| Race | <.001 | .005 | |||
| Nonblack | 1,863 (79.8) | 56.0 | 12.2 | ||
| Black | 471 (20.2) | 66.3 | 7.6 | ||
| Diabetes | .052 | <.001 | |||
| Yes | 117 (5.0) | 67.3 | 24.0 | ||
| No | 2,217 (95.0) | 57.5 | 10.5 | ||
| Low-density lipoprotein cholesterol | .110 | .075 | |||
| ≤160 mg/dL | 1,839 (78.8) | 57.0 | 10.5 | ||
| >160 mg/dL | 495 (21.2) | 61.4 | 13.4 | ||
| Maastricht Questionnaire score | .045 | .019 | |||
| Low (0–7) | 773 (33.1) | 56.7 | 10.1 | ||
| Moderate (8–12) | 756 (32.4) | 55.1 | 9.5 | ||
| High (>12) | 805 (34.5) | 61.6 | 13.7 | ||
| Spielberger Trait Anger Scale score | .018 | .011 | |||
| Low (10–14) | 901 (38.6) | 59.9 | 9.8 | ||
| Moderate (15–21) | 1,272 (54.5) | 55.6 | 11.5 | ||
| High (>21) | 161 (6.9) | 66.7 | 18.0 | ||
| ≥2.5 | 1,351 (57.9) | 56.8 | 10.8 | ||
| Body mass index | .007 | .362 | |||
| ≤30 | 1,671 (71.6) | 56.3 | 10.8 | ||
| >30 | 663 (28.4) | 62.8 | 12.2 | ||
| Exercise hours per week | .168 | .484 | |||
| <2.5 | 983 (42.1) | 59.8 | 11.8 | ||
| ≥2.5 | 1,351 (57.9) | 56.8 | 10.8 | ||
| Current smoking status | .349 | .021 | |||
| Yes | 502 (21.5) | 60.0 | 14.0 | ||
| No | 1,832 (78.5) | 57.5 | 10.4 | ||
| Lubben Social Network score | .796 | .220 | |||
| Low (0–35) | 707 (30.3) | 57.7 | 12.5 | ||
| Moderate (36–39) | 728 (31.2) | 57.6 | 10.0 | ||
| High (>39) | 899 (38.5) | 59.7 | 8.8 | ||
ARIC = Atherosclerosis Risk in Communities; CHD = coronary heart disease.