Table 1 Demographic characteristics of the four survey samples
2018 NHIS (n = 24,683) | 2014 NSDUH (n = 41,082) | 2013 BRFSS (n = 31,503) | 2016 CSLC (n = 201,116) | |
|---|---|---|---|---|
Sex | ||||
 Male | 11,223 (45.5%) | 19,141 (46.6%) | 13,042 (41.4%) | 96,036 (47.8%) |
 Female | 13,460 (54.5%) | 21,941 (53.4%) | 18,460 (58.6%) | 105,080 (52.2%) |
Age | ||||
 18–34 | 5582 (22.6%) | 21,100 (51.4%) | 4400 (14.0%) | 21,262 (10.6%) |
 35–49 | 5615 (22.7%) | 11,099 (27.0%) | 6546 (20.8%) | 43,822 (21.8%) |
 50–64 | 6395 (25.9%) | 5317 (12.9%) | 10,645 (33.8%) | 52,334 (26.0%) |
 ≧65 | 7091 (28.7%) | 3566 (8.7%) | 10,001 (31.7%) | 83,698 (41.6%) |
Racea | ||||
 White | 19,644 (79.6%) | 25,788 (62.8%) | 27,136 (86.1%) | – |
 Black | 2862 (11.6%) | 4822 (11.7%) | 1358 (4.3%) | – |
 Asian | 1288 (5.2%) | 1783 (4.3%) | 568 (1.8%) | – |
 AI/AN | 284 (1.2%) | 668 (1.6%) | 297 (0.9%) | |
 Hispanic | 3106 (12.6%) | 6572 (16.0%) | 1284 (4.1%) | – |
 Other races | 605 (2.5%) | 1449 (3.5%) | 859 (2.7%) | – |