Table 1.

Sociodemographic characteristics of participants in the 2013-2015 National Health Interview Surveysa

Born post-1985b (n = 13,296)Born 1966–1985b (n = 28,089)Born 1945–1965b (n = 28,725)Born pre-1945b (n = 15,100)
Population characteristics% (95%CI)% (95%CI)% (95%CI)% (95%CI)
Demographic characteristics
Region
 Northeast14.4 (12.9–16.1)15.8 (15.0–16.7)17.8 (17.0–18.5)19.6 (18.3–21.0)
 Midwest24.8 (22.4–27.4)23.4 (22.3–24.5)23.5 (22.7–24.3)24.1 (22.8–25.5)
 South38.5 (35.9–41.1)38.1 (36.9–39.2)38.6 (37.6–39.6)37.1 (35.6–38.7)
 West22.3 (20.3–24.3)22.7 (21.8–23.7)20.1 (19.3–21.0)19.1 (18.0–20.2)
Age (Mean; 95% CI)23.6 (23.5–23.8)38.2 (38.1–38.3)58.8 (58.7–58.9)77.6 (77.5–77.8)
Race/Ethnicity
 Non-Hispanic white61.0 (59.4–62.6)61.2 (60.3–62.2)73.5 (72.6–74.4)79.9 (78.9–80.9)
 Non-Hispanic black14.3 (13.2–15.5)13.6 (12.9–14.2)12.5 (11.8–13.1)9.5 (8.7–10.3)
 Non-Hispanic Asian3.7 (3.3–4.2)3.9 (3.6–4.3)2.1 (1.9–2.3)1.9 (1.6–2.2)
 Non-Hispanic Other3.1 (2.8–3.6)3.1 (2.8–3.4)2.3 (1.9–2.3)1.9 (1.7–2.2)
 Hispanic17.8 (16.7–19.0)18.2 (17.4–19.0)9.6 (9.1–10.1)6.8 (6.3–7.3)
Gender
 Male50.5 (49.3–51.6)50.4 (49.6–51.2)48.6 (47.9–49.3)40.0 (39.0–40.9)
 Female49.5 (48.4–50.7)49.6 (48.8–50.4)51.4 (50.7–52.1)60.0 (59.1–61.0)
Education
 Less than high school graduate11.0 (10.2–11.9)12.0 (11.5–12.6)12.2 (11.7–12.7)21.4 (20.4–22.4)
 High school graduate or GED25.4 (24.1–26.8)21.9 (21.2–22.5)26.9 (26.2–27.7)31.7 (30.7–32.8)
 Some college/associate's degree40.7 (38.8–42.7)28.9 (28.2–29.7)29.6 (28.9–30.2)23.6 (22.7–24.5)
 Bachelor's degree or higher22.6 (21.3–24.1)36.9 (36.0–37.9)30.9 (30.1–31.7)22.5 (21.5–23.6)
Marital status
 Married/living with partner28.1 (26.7–29.6)60.2 (59.4–61.0)55.0 (54.2–55.8)39.6 (38.5–40.7)
 Not currently married (includes divorced, separated, and widowed)2.3 (2.0–2.7)15.3 (14.8–15.9)32.5 (31.8–33.2)55.5 (54.4–56.6)
 Never married69.6 (68.0–71.0)24.4 (23.7–25.2)12.5 (11.9–13.1)4.9 (4.4–5.4)
Income
 <$35,00052.0 (49.9–54.2)30.6 (29.7–31.4)34.2 (33.3–35.1)53.3 (52.0–54.7)
 $35,000–$74,99928.8 (27.4–30.3)31.5 (30.7–32.2)30.5 (29.8–31.3)30.8 (29.7–31.9)
 $75,000–$99,9998.0 (7.4–8.7)13.4 (12.8–13.9)11.7 (11.2–12.2)6.9 (6.4–7.5)
 $100,000+11.1 (10.2–12.1)24.6 (23.8–25.4)23.6 (22.8–24.4)9.0 (8.4–9.6)
Risk factors
Alcohol use
 Lifetime abstainer25.7 (24.5–27.0)16.1 (15.5–16.6)16.5 (15.9–17.1)27.8 (26.8–28.8)
 Former4.7 (4.3–5.1)9.8 (9.4–10.3)18.3 (17.7–19.0)26.0 (25.1–26.9)
 Current infrequent/light/unknown frequency43.2 (42.2–44.3)48.8 (48.0–49.6)41.9 (41.1–42.6)30.8 (29.8–31.8)
 Current moderate/heavy25.0 (23.7–26.4)23.7 (23.0–24.5)21.7 (21.1–22.4)14.1 (13.3–14.9)
 Drinking status unknown1.4 (1.1–1.6)1.6 (1.4–1.8)1.6 (1.4–1.8)1.4 (1.2–1.7)
Health care factors
Saw/talked to HCP in last 12 months
 No44.5 (44.3–46.6)38.5 (37.7–39.3)24.0 (23.3–24.7)12.6 (11.8–13.4)
 Yes53.0 (51.9–54.1)59.9 (59.1–60.7)74.5 (73.8–75.2)86.2 (85.4–87.0)
 Don't know/Refused/Not ascertained1.5 (1.2–1.8)1.6 (1.4–1.8)1.5 (1.3–1.7)1.2 (1.0–1.4)
Have health insurance coverage
 No19.7 (18.7–20.8)18.7 (18.0–19.3)10.3 (9.9–10.8)0.4 (0.3–0.6)
 Yes79.4 (78.2–80.4)81.0 (80.3–81.7)89.4 (88.9–89.8)99.5 (99.3–99.6)
 Don't know/Refused/Not ascertained0.9 (0.7–1.2)0.3 (0.3–0.4)0.3 (0.2–0.4)0.1 (0.1–0.2)
Other health screenings
Ever been tested for HIV
 No60.3 (58.9–61.6)45.9 (45.0–46.7)65.0 (64.2–65.8)82.5 (81.7–83.2)
 Yes35.4 (34.0–36.7)49.3 (48.5–50.1)29.8 (29.0–30.5)11.4 (10.8–12.0)
 Don't know/Refused/Not ascertained4.4 (3.9–4.9)4.8 (4.5–5.2)5.2 (4.8–5.6)6.1 (5.6–6.6)
Blood pressure check, last 12 mo
 No20.6 (19.8–21.5)16.3 (15.7–16.9)9.1 (8.7–9.6)4.0 (3.6–4.4)
 Yes59.6 (58.4–60.8)63.2 (62.5–63.9)70.1 (69.5–70.7)76.7 (75.8–77.5)
 Don't know/Refused/Not ascertained19.7 (18.9–20.6)20.5 (19.9–21.1)20.8 (20.2–21.3)19.4 (18.6–20.2)
Cholesterol checked last 12 mo
 No46.8 (45.7–47.9)32.7 (31.9–33.4)17.6 (17.1–18.2)8.7 (8.1–9.3)
 Yes30.0 (29.0–30.9)45.1 (44.4–45.9)60.7 (60.1–61.4)70.0 (69.0–71.0)
 Don't know/Refused/Not ascertained23.2 (22.3–24.2)22.2 (21.6–22.8)21.7 (21.1–22.2)21.3 (20.5–22.2)
Had colon cancer test in last 12 months
 No37.1 (36.4–37.8)76.5 (75.8–77.1)77.5 (76.7–78.3)
 Yes2.6 (2.3–2.8)20.9 (20.3–21.6)19.8 (19.1–20.6)
 Don't know/Refused/Not ascertained60.4 (59.6–61.1)2.6 (2.4–2.9)2.7 (2.4–3.0)
  • aThis is table includes both low- and high-risk participants (work in healthcare, former, regular alcohol consumption, lived with someone with hepatitis, or a personal history of: liver cancer, hepatitis, any liver condition, or a chronic liver condition).

  • bAll variables listed were significantly different between age groups (P < 0.0001).