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Table 3 Adjusted population percentages and 95% CIs of U.S. workers undergoing cancer tests, NHIS, 2008

From: The lack of paid sick leave as a barrier to cancer screening and medical care-seeking: results from the National Health Interview Survey

Characteristics Mammography (n = 2,545) Pap Test (n = 4,505) Endoscopy (n = 3,210) Home FOBT (n = 3,194)
  PM* 95% CI P** PM* 95% CI P** PM* 95% CI P** PM* 95% CI P**
Sick leave             
 Yes 83.3 81.2-85.2 <0.001 91.9 90.6-93.0 <0.04 52.5 49.9-55.0 <0.001 9.3 8.0-10.9 0.83
 No 77.0 72.9-79.9   89.9 88.1-91.4   43.5 40.1-47.1   9.6 7.7-11.8  
Age years             
 18-29 -   0.29 97.0 95.5-98.0 <0.001 -   <0.001 -   <0.001
 30-39 -    91.6 89.7-93.1   -    -   
 40-49 79.6 76.6-82.3   88.4 86.2-90.3   -    -   
 50-59 81.5 78.7-83.1   87.3 84.3-89.8   46.0 43.5-48.6   7.8 6.6-9.2  
 60-69 84.4 81.2-88.0   83.1 78.2-87.0   56.9 53.0-60.6   12.7 10.4-15.3  
 70+ 84.0 74.2-90.4   70.1 55.5-81.5   60.7 52.7-68.2   13.7 9.5-19.4  
Race/ethnicity             
 Hispanic 80.7 77.0-84.0 0.48 90.4 88.0-92.3 0.90 49.2 44.9-53.6 0.79 9.4 7.3-12.2 0.69
 Non-Hispanic White 80.8 78.3-83.1   92.2 90.9-93.4   50.5 47.6-53.4   9.6 8.1-11.3  
 Non-Hispanic Black 81.2 76.1-85.4   88.0 84.6-90.7   46.5 40.9-52.2   7.9 5.5-11.3  
 Non-Hispanic Asian 87.3 80.3-92.1   90.9 86.7-93.8   51.3 42.9-59.6   10.4 6.0-17.4  
 Non-Hispanic Other 81.9 64.6-91.9   94.1 85.5-97.7   48.2 31.9-64.8   14.8 6.6-30.0  
Marital status             
 Never married 77.7 71.6-82.8 0.00 91.5 89.1-93.5 0.01 42.5 36.0-49.2 0.002 9.1 6.1-13.3 0.02
 Married/partnered 83.2 80.9-85.3   92.0 90.6-93.1   51.7 49.0-54.3   8.5 7.2-10.1  
 Widowed/Divorced 77.1 74.0-80.0   88.2 85.8-90.2   44.8 41.4-48.2   12.2 10.2-14.7  
Education             
 < high school 80.5 77.5-83.2 0.08 91.8 90.0-93.3 0.70 49.8 46.1-53.5 0.51 10.2 8.3-12.6 0.80
 High school/GED 79.8 75.7-83.4   90.9 88.7-92.7   50.3 46.1-54.5   8.9 6.7-11.8  
 Some college 84.3 80.5-87.6   91.4 89.1-93.2   49.4 44.9-53.9   8.6 6.5-11.3  
 College graduate 77.8 72.2-82.5   89.7 87.1-91.9   46.0 41.0-51.2   8.9 6.5-12.0  
 missing 86.5 80.5-91.0   91.4 88.0-94.0   53.6 46.9-60.2   10.4 7.2-14.9  
Poverty ratio             
 < 100% 84.0 78.3-88.4 0.20 92.1 88.8-94.5 0.71 43.3 37.3-49.4 0.12 6.7 4.4-10.1 0.14
 100% to <200% 76.7 71.6-81.1   89.9 87.3-92.0   52.1 46.5-57.6   11.5 8.5-15.3  
 200% to <400% 82.2 78.9-85.1   91.3 89.3-93.0   52.0 47.7-56.3   10.4 8.1-13.4  
 400% or more 82.4 79.1-85.3   90.8 89.0-92.3   49.8 46.1-53.4   9.7 7.6-12.2  
 Unknown 80.5 76.5-84.1   91.7 89.5-93.5   48.2 43.5-52.9   7.9 5.9-10.6  
Health insurance             
 Private 80.4 76.9-83.5 0.25 90.4 88.3-92.1 0.2 48.2 44.6-51.8 0.44 9.9 7.9-12.2 0.76
 Public only 79.4 75.1-83.2   91.8 89.6-93.6   51.6 47.1-55.9   8.9 7.0-11.2  
 Public and Private 84.4 81.4-87.0   90.7 88.6-92.4   51.1 47.1-55.1   10.1 7.8-12.9  
 Not covered 80.0 75.6-83.9   91.9 89.6-93.7   46.7 41.8-51.6   8.2 6.0-11.1  
 Unknown 78.1 50.6-92.5   97.3 91.9-99.1   51.0 32.5-69.2   6.9 2.0-20.8 ***
Usual Source of Care    <0.001    <0.001    <0.001    <0.001
 Yes 82.7 81.0-84.3   93.5 92.6-94.3   51.7 49.5-53.9   10.0 8.9-11.4  
 No 57.1 47.5-66.2   68.8 63.8-73.5   20.6 15.5-26.8   2.0 0.75-5.2 ***
  1. FOBT, fecal occult blood test; CI, confidence interval;
  2. Mammography in past 2 years, women age > 39 home FOBT, adult workers in past year, age > 49 screening endoscopy, adult workers within past 5 years for flexible sigmoidoscopy or 10 years for colonoscopy.
  3. *PM, predicted marginals from multivariate logistic models including all variables in Table 3.
  4. p** values are based on an overall Wald F Chi Square test for association from multivariate logistic regression models.
  5. *** relative standard error is greater than 30%, interpret estimate with caution.
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