Table 1.
Summary statistics (counts and percentages for categorical variables and median, minimum, and maximum for continuous variables) for variables under consideration in six cohorts
|
Cohort |
Charleston n = 1,952 |
Framingham original n = 4,526 |
Framingham offspring n = 4,444 |
NHANES I, n = 13,153 |
NHANES II, n = 9,069 |
NHIS n = 128,320 |
Total n = 161,464 |
|---|---|---|---|---|---|---|---|
| Variables | |||||||
| Male |
850 (43.6%) |
2,005 (44.3%) |
2,174 (48.9%) |
5,327 (40.5%) |
4,254 (46.9%) |
53,910 (42.0%) |
68,520 (42.44%) |
| Black |
741 (38.0%) |
0 (0%) |
0 (0%) |
1910 (14.5%) |
994 (10.96%) |
17,434* (13.93%) |
21,079 (13.05%) |
| Smoker |
989 (50.7%) |
2,352 (52.0%) |
1,988 (44.7%) |
4,294 (32.7%) |
2,940 (32.4%) |
35,607 (27.8%) |
3,161 (1.96%) |
| Death |
1,129 (57.8%) |
2,764 (61.1%) |
444 (10.0%) |
4,237 (32.2%) |
2,110 (23.3%) |
11,568 (9.1%) |
22, 252 (13.78%) |
| Age (years) |
48 (35, 97) |
49 (34,69) |
38 (25, 62) |
48 (25,75) |
58 (30,75) |
45 (25, 90) |
46 (25, 97) |
| BMI (kg/m^2) |
24.6 (14.8, 52.9) |
25.5 (15.9, 56.7) |
25.1 (16.5, 54.9) |
25.0 (14.0, 58.7) |
25.4 (14.1, 59.9) |
24.4 (14.0, 59.4) |
24.7 (14.0, 60.0) |
| Survival time** (years) | 26.3 (0.03, 30.7) | 30.1 (0.09, 38.2) | 19 .4 (0.01, 22.9) | 18.3 (0.03, 22.1) | 14.3 (0.02, 16.8) | 7.1 (0.003, 9.0) | 7.5 (0.003, 38.2) |
*Besides black and white participants, NHIS had 3,161 Hispanic participants.
**Survival time: time to death (or end of follow-up) from baseline.