Table 1.
Demographic and behavioral distribution of participants by levels of hostility at baseline (Year 5), CARDIA, 1985.
| Characteristic | Low hostility | High hostility | P value | Total (N = 3269) |
|---|---|---|---|---|
| (N = 1547) | (N = 1722) | N (%) | ||
| Age (y) | 30.4 ± 3.5a | 29.4 ± 3.7 | <0.001c | 29.9 ± 3.6 |
| A priori diet quality score | 69.6 ± 11.7 | 63.8 ± 12 | <0.001c | 66.6 ± 12.2 |
| Physical activity score | 377.2 ± 280.8 | 400.4 ± 310.8 | 0.03c | 389.4 ± 297.2 |
| Sex | ||||
| Male | 660 (41.7)b | 922 (58.3) | <0.001d | 1582 (48.4) |
| Female | 887 (52.6) | 800 (47.4) | 1687 (51.6) | |
| Race | ||||
| Black | 514 (32.6) | 1062 (67.4) | <0.001d | 1576 (48.2) |
| White | 1033 (61.0) | 660 (39.0) | 1693 (51.8) | |
| Highest education | ||||
| ≤12 years | 168 (27.2) | 450 (72.8) | <0.001d | 618 (18.9) |
| >12 years | 1379 (52.0) | 1272 (48.0) | 2651 (81.1) | |
| Family income (year) | ||||
| <24,999 | 471 (37.4) | 788 (62.6) | <0.001d | 1259 (38.5) |
| 25,000–49,999 | 577 (48.2) | 621 (51.8) | 1198 (36.7) | |
| ≥50,000 | 499 (61.5) | 313 (38.6) | 812 (24.8) | |
| Alcohol use (drinks/week) | ||||
| 0 | 731 (50.5) | 717 (49.5) | <0.001d | 1866 (57.1) |
| 1–6 | 562 (50.6) | 549 (49.4) | 1403 (42.9) | |
| ≥7 | 254 (35.8) | 456 (64.2) | ||
| Smoking status | 1448 (44.3) | |||
| Never | 975 (52.3) | 891 (47.8) | <0.001d | 1111 (34.0) |
| Former/current | 572 (40.8) | 831 (59.2) | 710 (21.7) |
aMean ± SD (all such values).
b N (%) (all such values).
cResults were tested by one-way ANOVA analysis.
dResults were tested by χ 2 test.