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Table 2 Age-standardized prevalence of chronic diseases and health service utilization by occupational groups and gender in three Korean National Health and Nutrition Examination Surveys

From: Prevalence and changes in chronic diseases among South Korean farmers: 1998 to 2005

   1998   2001   2005  
  Cases ASP (95%CI)a Cases ASP (95% CI) Cases ASP (95% CI) Change (95% CI)b
Men
Overall chronic diseases c
Farmers 1,029 37.4 (34.1, 40.8) 533 35.2 (32.1, 38.5) 506 34.8 (29.6, 40.5) -2.6 (-8.6, 3.6)
Manual 1,064 33.6 (31.4, 35.9) 1,209 34.4 (32.2, 36.7) 1,362 39.1 (37.1, 41.1) 5.5 (2.5, 8.5)
Non-manual 1,294 30.5 (28.5, 32.5) 1,532 33.3 (31.4, 35.2) 1,503 37.1 (35.3, 38.9) 6.6 (3.9, 9.3)
Totald 4,634 34.6 (33.3, 35.9) 4,585 35.4 (34.4, 36.5) 4,799 38.2 (37.2, 39.2) 3.6 (2.0, 5.3)
Self-rated health "good to excellent"
Farmers 252 42.7 (35.7, 45.0) 89 62.3 (55.6, 68.5) 312 57.7 (51.4, 63.8) 15.0 (5.4, 24.7)
Manual 513 45.8 (42.4, 49.2) 498 50.3 (46.9, 53.7) 1,709 51.2 (49.1, 53.3) 5.4 (1.3, 9.5)
Non-manual 758 50.8 (47.3, 54.3) 855 55.2 (52.2, 58.1) 2,624 58.0 (56.0, 60.0) 7.2 (3.2, 11.2)
Total 1,916 46.6 (44.9, 48.3) 1,784 50.5 (48.7, 52.4) 5,825 52.7 (51.6, 53.9) 6.1 (4.0, 8.2)
Doctor visits (past 2 weeks)
Farmers 592 25.4 (22.2, 28.8) 276 20.5 (15.9, 26.1) 326 29.5 (22.3, 37.8) 4.1 (-3.1, 11.3)
Manual 819 25.5 (23.5, 27.6) 573 16.3 (14.9, 17.9) 705 21.3 (19.7, 23.0) -4.2 (-6.9, -1.6)
Non-manual 1,035 23.1 (21.3, 25.1) 639 15.1 (13.6, 16.7) 841 21.0 (19.4, 22.7) -2.1 (-4.6, 0.3)
Total 3,212 24.7 (23.7, 25.6) 2,164 16.7 (16.0, 17.4) 2,723 21.5 (20.7, 22.4) -3.2 (-4.4, -1.9)
Hospitalizations (past 12 months)
Farmers 146 6.2 (4.7, 8.3) 50 7.0 (4.4, 11.1) 106 6.8 (5.2, 8.8) 0.6 (-2.2, 3.4)
Manual 150 4.7 (3.8, 5.7) 138 4.4 (3.4, 5.8) 307 9.8 (8.3, 11.5) 5.1 (3.3, 7.0)
Non-manual 162 3.6 (2.9, 4.5) 154 3.5 (2.7, 4.6) 261 6.1 (5.2, 7.1) 2.5 (1.2, 3.6)
Total 668 4.9 (4.5, 5.4) 539 4.2 (3.8, 4.5) 1,031 8.5 (7.9, 9.1) 3.6 (2.8, 4.2)
Women
Overall chronic diseases
Farmers 1,306 52.7 (49.6, 55.8) 610 57.4 (53.6, 61.0) 622 61.3 (50.1, 71.5) 8.6 (0.1, 17.2)
Manual 623 43.9 (40.8, 47.0) 669 48.9 (46.1, 51.8) 787 51.4 (48.1, 54.6) 7.5 (3.0, 12.0)
Non-manual 1,093 41.3 (39.0, 43.6) 1,312 43.5 (41.7, 45.2) 1,433 48.0 (46.3, 49.7) 6.7 (3.9, 9.6)
Total 6,934 46.9 (45.7, 48.2) 6,548 46.4 (45.5, 47.4) 7,029 50.4 (49.5, 51.4) 3.5 (1.9, 5.0)
Self-rated health "good to excellent"
Farmers 200 37.9 (32.1, 44.0) 53 39.2 (29.3, 50.1) 144 28.7 (19.5, 40.2) -9.2 (-22.2, 3.9)
Manual 190 41.8 (36.4, 47.5) 139 37.3 (31.7, 43.2) 481 35.1 (31.7, 38.7) -6.7 (-13.7, 0.3)
Non-manual 514 45.5 (41.9, 49.1) 601 44.1 (41.0, 47.3) 1,993 45.8 (43.5, 48.1) 0.3 (-4.3, 5.0)
Total 1,801 38.4 (36.7, 40.0) 1,696 39.8 (38.0, 41.6) 5,158 40.3 (39.3, 41.3) 1.9 (-0.0, 3.9)
Doctor visits (past 2 weeks)
Farmers 718 32.9 (29.1, 37.0) 299 23.6 (19.7, 27.9) 395 40.5 (33.2, 48.2) 7.6 (-0.1, 15.3)
Manual 485 33.4 (30.6, 36.3) 377 27.3 (24.4, 30.4) 453 28.7 (25.8, 31.9) -4.7 (-8.8, -0.4)
Non-manual 1,015 35.7 (33.0, 38.5) 722 23.4 (20.5, 26.5) 920 30.2 (28.0, 32.5) -5.5 (-9.0, -1.9)
Total 4,939 34.0 (32.9, 35.1) 3,486 24.6 (23.8, 25.4) 4,356 31.5 (30.6, 32.4) -2.5 (-3.9, -1.1)
Hospitalizations (past 12 months)
Farmers 96 6.7 (4.5, 10.0) 44 3.8 (2.3, 6.2) 83 16.2 (14.5, 18.0) 9.5 (5.2, 13.6)
Manual 41 3.3 (2.3, 4.6) 36 1.7 (1.2, 2.4) 112 7.0 (5.6, 8.8) 3.7 (1.7, 5.7)
Non-manual 202 5.3 (4.4, 6.5) 99 4.0 (2.4, 6.6) 258 8.4 (6.6, 10.6) 3.1 (0.8, 5.4)
Total 1,133 7.9 (7.4, 8.4) 493 3.5 (3.2, 3.9) 1,423 10.6 (10.0, 11.2) 2.7 (1.9, 3.5)
  1. aAge-standardized prevalence and 95% confidence intervals
  2. bPrevalence change from 1998 to 2005 and 95% confidence intervals
  3. cOverall prevalence of chronic diseases was defined to be any chronic disease except dental diseases
  4. dTotal population included farmers, manual workers, non-manual workers, and others