Table 8.
Characteristics of the SCCS Population According to Available Information to Calculate the SBP Component of the Framingham Risk Score
| Variable | Nonmissing SBP (n=9568) | Missing SBP (n=55 663) |
|---|---|---|
| Age, y | ||
| 40–49 | 4457 (46.6) | 26 824 (48.2) |
| 50–59 | 3323 (34.7) | 18 933 (34.0) |
| 60–69 | 1430 (15.0) | 7660 (13.8) |
| 70–79 | 358 (3.7) | 2246 (4.0) |
| Sex | ||
| Female | 6698 (70.0) | 32 500 (58.4) |
| Male | 2870 (30.0) | 23 163 (41.6) |
| Race/ethnicity | ||
| Black | 6494 (67.9) | 39 278 (70.6) |
| White | 3074 (32.1) | 16 385 (29.4) |
| Hypertension | ||
| No | 4797 (50.1) | 26 708 (48.0) |
| Yes | 4771 (49.9) | 28 955 (52.0) |
| Diabetes mellitus | ||
| No | 7237 (75.6) | 45 581 (81.9) |
| Yes | 2331 (24.4) | 10 082 (18.1) |
| Current smoker | ||
| No | 6027 (63.0) | 31 781 (57.1) |
| Yes | 3541 (37.0) | 23 882 (42.9) |
| Overweight/obese | ||
| No | 1949 (20.4) | 15 256 (27.4) |
| Yes | 7619 (79.6) | 40 407 (72.6) |
| Health insurance | ||
| No | 4614 (48.4) | 22 623 (40.8) |
| Yes | 4911 (51.6) | 32 869 (59.2) |
| Annual household income | ||
| <$15 000 | 5727 (59.9) | 30 226 (54.3) |
| $15 000 to <$25 000 | 2309 (24.1) | 11 890 (21.4) |
| $25 000 to <$50 000 | 1168 (12.2) | 7958 (14.3) |
| ≥$50 000 | 364 (3.8) | 5589 (10.0) |
| Education | ||
| Less than high school | 3041 (31.8) | 15 464 (27.8) |
| High school completed | 3480 (36.4) | 18 693 (33.6) |
| Higher than high school | 3047 (31.9) | 21 506 (38.6) |
Values are frequencies (percentages) of participants with (nonmissing SBP) or without (missing SBP) actual information to calculate the SBP component of the Framingham risk score. SBP indicates systolic blood pressure; SCCS, Southern Community Cohort Study.