Table 1.

Use of chest X-ray in the past 12 months, overall and to check for lung cancer

Any chest X-rayChest X-ray to check for lung cancer
Total nnWeighted %95% CInWeighted%95% CI
Total15,5373,64222.922.2–23.64062.52.2–2.8
Sociodemographic characteristics
Age, y
 40–494,42564914.813.5–16.1450.90.7–1.3
 50–594,22894421.520.1–22.91062.42.0–3.0
 60–693,40194127.525.8–29.31203.42.8–4.2
 70–792,08966132.730.4–35.1814.03.2–5.1
 80+1,39444733.930.9–37.1543.72.6–5.4
Sex
 Male6,7381,67124.223.1–25.42293.12.7–3.6
 Female8,7991,97121.720.7–22.71771.91.6–2.2
Race/ethnicity
 White9,7392,34223.222.4–24.12502.52.2–2.9
 Black2,49472128.025.9–30.2903.32.6–4.1
 Hispanic2,31740018.116.3–20.1431.71.2–2.5
 Asian87515117.214.2–20.7181.40.8–2.4
 Other1122819.712.5–29.852.51.0–6.4
Currently employed
 No7,6452,26529.728.4–31.02673.32.9–3.8
 Yes7,8871,37617.316.4–18.31391.81.5–2.2
Education
 Less than high-school graduate2,81468824.622.6–26.8872.92.2–3.8
 High-school graduate/GED4,3251,04723.221.7–24.71162.41.9–3.0
 Some college/associate degree4,2761,07525.524.0–27.01092.52.0–3.2
 Bachelor's degree or more4,05081719.318.0–20.7912.31.8–2.8
Family income
 <$20,0003,6401,00127.425.6–29.31212.92.3–3.7
 $20,000–$34,9992,95973725.924.0–28.0842.92.3–3.8
 $35,000–$54,9992,96469424.122.2–26.1822.72.1–3.6
 $55,000–$74,9991,78440123.221.0–25.4452.51.7–3.5
 $75,000+4,19080918.817.6–20.1731.91.5–2.4
Risk factors
Smoking
 Never8,4801,70919.218.2–20.21371.41.2–1.7
 Former, <30 pack-years2,71268024.823.0–26.7782.82.2–3.6
 Former, 30+ pack-years, quit >15 y41113636.230.9–41.9195.23.2–8.5
 Former, 30+ pack-years, quit ≤15 ya70826836.932.6–41.4527.55.6–10.1
 Current, <30 pack-years1,78644623.821.7–26.2502.41.8–3.1
 Current, 30+ pack-yearsa92626128.525.5–31.6545.84.2–7.8
 Unknown51414229.024.2–34.4161.91.2–3.2
Attempted to quit smoking in the last 12 mo (current smokers)
 No1,58635322.320.0–24.8563.62.6–5.0
 Yes1,18836529.626.8–32.6523.52.6–4.7
Secondhand smoke exposure
 No12,8032,93722.221.4–23.13102.32.0–2.6
 Yes2,69669926.023.9–28.2963.42.7–4.3
Occupational exposure to vapors/gas/dust/fumes (among employed, past 12 mo)
 No6,4001,10416.916.0–18.0971.71.3–2.1
 Yes2,29447921.119.3–23.1552.21.6–3.0
Family history of lung cancer
 No13,6673,13422.421.7–23.23432.42.1–2.7
 Yes82626230.526.9–34.4353.52.4–5.1
 Unknown1,04424623.020.3–25.9282.41.6–3.8
Personal history of cancer other than lung
 No13,5992,93121.120.3–21.82781.91.6–2.2
 Yes1,93871135.632.9–38.51286.45.2–7.8
Health status
Respiratory conditions diagnosed by a health professional
 None13,0622,61919.618.9–20.42701.91.7–2.2
 Any2,4631,01740.037.7–42.41365.44.4–6.6
 Emphysema (ever)45827459.954.5–65.25712.49.3–16.5
 Asthma (ever)1,83571537.034.5–39.6954.83.9–6.0
 Asthma (attack in past 12 mo)67831946.141.7–50.5466.34.6–8.6
 Chronic bronchitis (past 12 mo)85343851.347.4–55.3546.84.9–9.5
Limitations in activities due to lung/breathing problem
 No14,9473,31921.821.0–22.53522.22.0–2.5
 Yes51030558.453.7–63.0529.46.9–12.7
General health status
 Excellent/very good/good12,4872,43919.418.6–20.22481.91.7–2.2
 Fair/poor3,0411,20140.438.3–42.61585.24.3–6.2
Health care access
Insurance status, age < 65
 Uninsuredb2,00723512.210.7–14.0231.30.7–2.1
 Public only1,69357933.630.9–36.4734.23.2–5.5
 Privatec6,8461,30418.817.7–19.81171.71.4–2.1
Insurance status, age ≥ 65
 Uninsuredb921718.911.4–29.811.80.3–11.6
 Public only2,39874632.530.0–35.01023.82.9–4.8
 Privatec2,47175931.329.2–33.4903.93.1–4.9
Usual source of health care other than ER
 No1,78321111.19.5–13.0221.10.7–1.9
 Yes13,7483,42924.323.5–25.13842.62.3–2.9
Number of office visits to doctor or other health professional in last year
 02,2681255.34.3–6.590.40.2–1.1
 12,14424610.79.2–12.2341.41.0–2.1
 2–56,5191,39220.619.4–21.81472.11.8–2.6
 6+4,5531,86441.039.5–42.62154.53.8–5.2

NOTE: Source: 2010 NHIS.

  • a“Higher risk” smokers, defined according to the eligibility criteria for the NLST of LDCT.

  • bIncludes Medicare Part A only.

  • cIncludes Medicare Part A and B with supplemental private insurance.