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Table 3 Age-standardized prevalence of selected chronic diseases among men by occupational groups 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
Arthritis
Farmers 221 5.7 (4.9, 6.7) 117 6.1 (4.8, 7.8) 168 8.2 (6.8, 9.9) 2.5 (0.8, 4.1)
Manual 117 4.9 (3.9, 6.2) 101 3.6 (2.7, 4.9) 199 5.7 (4.9, 6.7) 0.8 (-0.7, 2.3)
Non-manual 69 1.8 (1.3, 2.3) 76 2.3 (1.6, 3.4) 119 4.1 (3.1, 5.5) 2.3 (1.2, 3.6)
Totalc 588 4.1 (3.8, 4.6) 484 3.7 (3.3, 4.0) 790 5.7 (5.3, 6.2) 1.6 (0.5, 2.7)
Intervertebral disc disorders
Farmers 78 3.3 (2.4, 4.6) 41 3.3 (2.1, 5.1) 87 8.6 (5.3, 13.8) 5.3 (2.0, 8.6)
Manual 72 2.0 (1.6, 2.6) 86 3.0 (2.1, 4.1) 184 5.0 (4.2, 5.9) 3.0 (2.0, 3.9)
Non-manual 88 2.0 (1.6, 2.5) 71 1.5 (1.0, 2.1) 147 3.9 (3.0, 5.0) 1.9 (0.8, 3.0)
Total 312 2.3 (2.0, 2.6) 286 2.2 (1.9, 2.5) 578 4.6 (4.2, 5.0) 2.3 (1.8, 2.8)
Hypertension
Farmers 85 2.4 (1.9, 3.2) 94 4.5 (3.4, 5.9) 170 8.0 (6.5, 10.0) 5.6 (4.0, 7.1)
Manual 70 2.3 (1.6, 3.2) 248 6.6 (5.6, 7.8) 435 11.6 (10.5, 12.7) 9.3 (7.9, 10.6)
Non-manual 94 3.6 (3.1, 4.4) 263 7.0 (6.0, 8.2) 390 11.1 (9.8, 12.6) 7.5 (5.9, 8.9)
Total 384 2.8 (2.5, 3.2) 950 7.3 (6.8, 7.8) 1,589 11.7 (11.2, 12.3) 8.9 (8.2, 9.5)
Chronic lung diseases
Farmers 72 2.3 (1.7, 3.3) 23 1.8 (1.0, 3.2) 22 1.6 (0.5, 4.7) -0.7 (-2.4, 0.8)
Manual 50 1.5 (1.0, 2.2) 45 1.2 (0.8, 1.8) 47 1.2 (0.9, 1.7) -0.3 (-1.0, 0.4)
Non-manual 56 1.4 (1.0, 1.9) 45 1.2 (0.8, 1.9) 40 1.4 (0.9, 2.2) 0.0 (-0.8, 0.8)
Total 262 1.9 (1.7, 2.2) 166 1.2 (1.0, 1.5) 184 1.4 (1.2, 1.6) -0.5 (-0.9, -0.2)
Asthma
Farmers 44 0.9 (0.6, 1.4) 29 1.2 (0.8, 1.8) 35 1.3 (0.9, 2.0) 0.4 (-0.2, 1.0)
Manual 20 1.2 (0.7, 2.2) 34 1.1 (0.7, 1.6) 46 1.4 (1.0, 2.0) 0.2 (-0.7, 1.1)
Non-manual 23 0.6 (0.4, 0.9) 31 1.0 (0.6, 1.9) 37 1.0 (0.6, 1.6) 0.4 (-0.1, 0.9)
Total 142 1.0 (0.8, 1.2) 162 1.3 (1.1, 1.5) 214 1.6 (1.4, 1.8) 0.6 (0.3, 0.9)
Cancer
Farmers 14 0.3 (0.2, 0.6) 10 0.3 (0.2, 0.6) 15 0.5 (0.3, 0.9) 0.2 (-0.3, 0.5)
Manual 7 0.2 (0.1, 0.4) 10 0.3 (0.1, 0.6) 30 0.9 (0.6, 1.4) 0.7 (0.3, 1.1)
Non-manual 6 0.4 (0.1, 1.3) 12 0.4 (0.2, 0.8) 24 1.3 (0.7, 2.5) 0.9 (-0.1, 1.8)
Total 60 0.4 (0.3, 0.5) 87 0.7 (0.5, 0.8) 146 1.0 (0.9, 1.2) 0.6 (0.4, 0.8)
Diabetes Mellitus
Farmers 39 1.2 (0.9, 1.7) 39 2.3 (1.5, 3.4) 71 3.8 (2.9, 5.1) 2.6 (1.7, 3.6)
Manual 45 1.6 (1.1, 2.3) 101 2.6 (2.1, 3.3) 180 4.7 (4.0, 5.6) 3.1 (2.2, 4.2)
Non-manual 57 1.6(1.1, 2.1) 146 4.0 (3.2, 5.0) 169 5.1 (4.1, 6.3) 3.5 (2.4, 4.7)
Total 234 1.8 (1.6, 2.1) 489 3.7 (3.4, 4.0) 728 5.4 (5.0, 5.8) 3.6 (3.1, 4.0)
Cataract/glaucoma
Farmers 33 0.9 (0.6, 1.5) 16 0.7 (0.4, 1.1) 46 1.8 (1.3, 2.5) 0.9 (0.1, 1.6)
Manual 17 0.8 (0.4, 1.8) 19 0.8 (0.4, 1.5) 50 1.8 (1.2, 2.6) 1.0 (-0.0, 1.8)
Non-manual 20 0.9 (0.5, 1.7) 35 1.4 (0.9, 2.2) 39 1.4 (0.8, 2.5) 0.5 (-0.5, 1.5)
Total 120 0.9 (0.7, 1.1) 131 1.0 (0.8, 1.2) 296 2.6 (2.3, 2.8) 1.7 (1.4, 2.0)
  1. aAge-standardized prevalence and 95% confidence intervals
  2. bPrevalence change from 1998 to 2005 and 95% confidence intervals
  3. cTotal population included farmers, manual workers, non-manual workers, and others