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Table 4 Linear regression analysis of medical expenditures o occupational injuries per injured worker during the 2 year MEPS reference period, MEPS Panels 9-13 (2004-2009)

From: Medical expenditures associated with nonfatal occupational injuries among immigrant and U.S.-born workers

  U.S.-born workers Immigrant workers All workers
Mean expenditures*(in 2009 U.S. $) P ** Mean expenditures*(in 2009 U.S. $) P ** Mean expenditures*(in 2009 U.S. $) P **
Immigrant status
 U.S.-born workers (ref.)      2357  
 Immigrant workers      2351 0.99
Gender
 Male (ref.) 2399   2265   2229  
 Female 2772 0.19 1985 0.54 2486 0.26
Age (years)
 18-24 (ref.) 1892   915   1661  
 25-44 2129 0.46 2436 0.01 1998 0.22
 45-54 2843 0.03 3497 0.00 2706 0.01
 55-64 3861 0.00 2593 0.03 3419 0.00
Race/ethnicity
 White, Non-Hispanic (ref.) 2382   2980   2390  
 Black, Non-Hispanic 2647 0.58 1172 0.06 2393 0.99
 Hispanic 2030 0.38 2337 0.39 2125 0.44
 Asian 3454 0.35 2476 0.61 2525 0.83
Marital status
 Married (ref.) 2599   1648   2302  
 Widowed/divorced/separated 2543 0.88 2249 0.23 2356 0.86
 Never married/others 2594 0.99 2571 0.17 2405 0.75
Education
 Less than high school (ref.) 2932   1996   2646  
 High school 2589 0.40 1987 0.99 2331 0.34
 College and higher 2258 0.07 2403 0.55 2114 0.08
Poverty status
 Poor (<100% FPL) (ref.) 1971   1811   18200  
 Near poor (100%-124% FPL) 2601 0.32 2141 0.72 2391 0.26
 Low income (125%-199% FPL) 2623 0.21 2464 0.38 2428 0.15
 Middle income (200-399% FPL) 2656 0.14 2319 0.46 2421 0.12
 High income (≥400% FPL) 3192 0.03 1933 0.86 2826 0.03
Medical insurance
 Any private (ref.) 2867   1977   2557  
 Public insurance only 2700 0.81 3571 0.07 2706 0.79
 Uninsured 2215 0.07 1350 0.12 1885 0.02
  1. *The original expenditure data were transformed using natural logarithm and linear regression models were fitted. Average mean expenditures were calculated using Duan’s smearing method.29
  2. ** P from significance test of comparison with reference group. P values< 0.05 are in bold text.
  3. ref. = reference group; FPL = Federal poverty level.