Table 1 Basic demographics of the study sample.
Variables | Cohort 1 (N = 14,616) | Cohort 2 (N = 8624) |
|---|---|---|
Demographic parameters | ||
Age, years | 55.7 ± 16.9 | 56.0 ± 17.0 |
Sex | ||
Male | 7005 (47.9%) | 4153 (48.2%) |
Female | 7611 (52.1%) | 4471 (51.8%) |
Race/ethnicity, % | ||
Mexican American | 1789 (12.2%) | 1163 (13.5%) |
Other Hispanic | 1015 (6.9%) | 562 (6.5%) |
Non-Hispanic White | 8036 (55.0%) | 4960 (57.5%) |
Non-Hispanic Black | 2924 (20.0%) | 1621 (18.8%) |
Other race—including multi-racial | 852 (5.8%) | 318 (3.7%) |
Socioeconomic status | ||
Education levels, % | ||
Less than 9th grade | 1461 (10.0%) | 974 (11.3%) |
9–12th grade or equivalent | 5547 (38.0%) | 3411 (39.6%) |
College or above | 7608 (52.1%) | 4239 (49.2%) |
Employment | ||
Employed | 6884 (47.1%) | 4053 (47.0%) |
Unemployed | 7732 (52.9%) | 4571 (53.0%) |
Family income-to-poverty ratio | 2.6 ± 1.6 | 2.7 ± 1.6 |
Insurance | ||
Insured | 12,353 (84.5%) | 7284 (84.5%) |
Uninsured | 2263 (15.5%) | 1340 (15.5%) |
Marital status | ||
Married/cohabited | 8850 (60.6%) | 5308 (61.5%) |
Widowed | 1631 (11.2%) | 997 (11.6%) |
Divorced/separated | 2297 (15.7%) | 1325 (15.4%) |
Unmarried | 1838 (12.6%) | 994 (11.5%) |
Anthropometry | ||
BMI, kg/m2 | 29.8 ± 7.0 | 29.6 ± 6.8 |
Lifestyle indicators | ||
HEI score | 53.7 ± 13.8 | 53.5 ± 13.8 |
Cigarettes per day | 1.0 (0.0–95.0) | 1.0 (0.0–95.0) |
Alcohol consumption* | 0.0 (0.0–28.3) | 0.0 (0.0–28.3) |
Physical activity** | 7.0 (0.0–563.1) | 7.0 (0.0–563.1) |
Circulating immune markers | ||
C-reactive protein (mg/dL) | 0.2 (0.0–25.4) | |
Total leukocyte count (1000 cell/μL) | 7.3 ± 2.6 | |
Absolute lymphocyte count (1000 cell/μL) | 2.1 ± 1.5 | |
Absolute neutrophil count (1000 cell/μL) | 4.3 ± 1.8 | |
Absolute monocyte count (1000 cell/μL) | 0.6 ± 0.2 | |
Neutrophil–lymphocyte ratio | 2.3 ± 1.3 | |
Systemic immune-inflammation index | 569.3 ± 369.1 | |
Monocyte–lymphocyte ratio | 0.3 ± 0.1 | |
Platelet–lymphocyte ratio | 131.6 ± 55.2 | |
