Table 1 Baseline characteristics of the study sample (n = 47,913).
From: In-utero and newborn factors and thyroid cancer incidence in adult women in the Sister Study cohort
Characteristic | |
|---|---|
Age (median, interquartile range) | 55.4 (48.9, 62.1) |
Race/ethnicity | |
Non-Hispanic White | 39,947 (83.4%) |
Non-Hispanic Black | 4304 (9.0%) |
Hispanic | 2416 (5.0%) |
Non-Hispanic all other races | 1231 (2.6%) |
Unknown | 15 (<0.1%) |
BMI | |
<25.0 | 18,331 (38.3%) |
25.0-29.9 | 15,205 (31.7%) |
30.0+ | 14,361 (30.0%) |
Unknown | 16 (<0.1%) |
Benign thyroid disease | 10,308 (21.5%) |
Personal educational level | |
High school, GED, or less | 7290 (15.2%) |
Some college or associate or technical degree | 16,161 (33.7%) |
Bachelor’s degree or more | 24,450 (51.0%) |
Unknown | 12 (<0.1%) |
Annual household income | |
<$50,000 | 12,228 (25.5%) |
$50,000-$99999 | 19,552 (40.8%) |
$100,000+ | 16,133 (33.7%) |
