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Table 1 Characteristics of participants aged 20 and older 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

 

Farmers

Manual

Non-manual

Totala

Farmers

Manual

Non-manual

Total

Farmers

Manual

Non-manual

Total

 

(n = 3,639)

(n = 4,677)

(n = 8,101)

(n = 27,201)

(n = 1,714)

(n = 4,996)

(n = 9,193)

(n = 26,785)

(n = 1,732)

(n = 4,966)

(n = 8,358)

(n = 25,161)

Sex

            

Men

1,844 (50.7)

3,364 (71.9)

4,649 (57.4)

12,853 (47.3)

894 (52.2)

3,642 (72.9)

5,149 (56.0)

12,615 (47.1)

905 (52.3)

3,492 (70.3)

4,478 (53.6)

11,722 (46.6)

Women

1,795 (49.3)

1,313 (28.1)

3,452 (42.6)

14,348 (52.8)

820 (47.8)

1,354 (27.1)

4,044 (44.0)

14,170 (52.9)

827 (47.8)

1,474 (29.7)

3,880 (46.4)

13,439 (53.4)

Age (years)

55.3 ± 12.2

41.9 ± 11.3

37.7 ± 10.6

44.0 ± 15.7

57.6 ± 11.4

43.1 ± 11.1

38.4 ± 10.8

44.0 ± 15.5

59.4 ± 11.0

45.2 ± 11.5

39.1 ± 11.0

45.7 ± 15.8

Educational level

           

≤ Elementary

2,450 (67.3)

1,191 (25.5)

623 (7.7)

7,729 (28.4)

1,151 (67.2)

994 (19.9)

544 (5.9)

5,837 (21.8)

1,103 (63.7)

997 (20.1)

420 (5.0)

5,561 (22.1)

Middle

577 (15.9)

1,056 (22.6)

742 (9.2)

3,705 (13.6)

293 (17.1)

1,031 (20.7)

700 (7.6)

3,285 (12.3)

300 (17.3)

924 (18.6)

514 (6.2)

2,873 (11.4)

High

544 (15.0)

2,156 (46.1)

3,287 (40.6)

9,572 (35.2)

227 (13.3)

2,456 (49.2)

3,540 (38.6)

9,820 (36.7)

274 (15.8)

2,479 (50.0)

2,833 (33.9)

8,618 (34.3)

≥ University

68 (1.9)

274 (5.9)

3,449 (42.6)

6,195 (22.8)

42 (2.5)

507 (10.2)

4,387 (47.8)

7,790 (29.1)

55 (3.2)

562 (11.3)

4,589 (54.9)

8,081 (32.2)

Marital status

           

Single

101 (2.8)

646 (13.8)

1,689 (20.9)

4,499 (16.5)

34 (2.0)

643 (12.9)

2,116 (23.0)

4,791 (17.9)

39 (2.3)

663 (13.4)

2,120 (25.4)

4,657 (18.5)

Married

3,139 (86.3)

3,625 (77.5)

6,080 (75.1)

19,645 (72.2)

1,489 (86.9)

3,829 (76.6)

6,608 (71.9)

18,952 (70.8)

1,480 (85.5)

3,683 (74.2)

5,689 (68.1)

17,212 (68.5)

Others

399 (11.0)

406 (8.7)

332 (4.1)

3,057 (11.2)

190 (11.1)

524 (10.5)

467 (5.1)

3,036(11.3)

213 (12.3)

619 (12.5)

549 (6.6)

3,266 (13.0)

Income b

85.3 ± 83.7

127.4 ± 79.8

177.3 ± 110.3

132.2 ± 101.7

105.3 ± 77.2

163.6 ± 93.2

227.9 ± 132.0

180.1 ± 123.5

155.4 ± 140.5

210.2 ± 125.7

305.7 ± 176.1

234.8 ± 165.8

Area

            

Rural

3,390 (93.2)

1,354 (29.0)

1,650 (20.4)

9,520 (35.0)

1,564 (91.3)

890 (17.8)

1,216 (13.2)

5,639 (21.1)

1,497 (86.4)

858 (17.3)

937 (11.2)

4,964 (19.7)

Urban

249 (6.8)

3,323 (71.1)

6,451 (79.6)

17,681 (65.0)

150 (8.8)

4,106 (82.2)

7,977 (86.8)

21,146 (79.0)

235 (13.6)

4,108 (82.7)

7,421 (88.8)

20,197 (80.3)

Smoking status c

           

Never

681 (55.6)

598 (37.7)

1,343 (50.6)

4,965 (56.3)

237 (55.8)

572 (40.1)

1,531 (53.8)

4,762 (60.1)

264 (52.9)

579 (36.4)

1,414 (53.5)

4,354 (56.6)

Former

130 (10.6)

164 (10.3)

239 (9.0)

776 (8.8)

45 (10.6)

150 (10.5)

274 (9.6)

710 (9.0)

117 (23.5)

296 (18.6)

467 (17.7)

1,271 (16.5)

Current

414 (33.8)

825 (52.0)

1,075 (40.5)

3,082 (34.9)

143 (33.7)

706 (49.4)

1,038 (36.5)

2,449 (30.9)

118 (23.7)

716 (45.0)

763 (28.9)

2,069 (26.9)

Alcohol consumption frequency c

          

None

560 (45.7)

371 (23.4)

630 (23.7)

2,952 (33.5)

236 (55.9)

546 (38.5)

1,152 (40.7)

3,975 (50.4)

279 (55.9)

566 (35.6)

1,031 (39.0)

3,718 (48.3)

   ≤ 2/week

334 (27.3)

717 (45.2)

1,310 (49.3)

3,875 (43.9)

106 (25.1)

589 (41.5)

1,291 (45.6)

2,923 (37.1)

98 (19.6)

644 (40.5)

1,214 (45.9)

2,829 (36.8)

   ≥ 3/week

331 (27.0)

499 (31.4)

717 (27.0)

1,996 (22.6)

80 (19.0)

285 (20.1)

391 (13.8)

982 (12.5)

122 (24.5)

381 (24.0)

399 (15.1)

1,147 (14.9)

Medical check-up c (past 2 years)

          

   Yes

533 (43.5)

859 (54.1)

1,599 (60.2)

4,268 (48.4)

195 (45.9)

754 (52.9)

1,581 (55.6)

3,799 (48.0)

282 (56.5)

848 (53.3)

1,520 (57.5)

3.906 (50.8)

   No

692 (56.5)

728 (45.9)

1,058 (39.8)

4,555 (51.6)

230 (54.1)

671 (47.1)

1.262 (44.4)

4,116 (52.0)

217 (43.5)

742 (46.7)

1,124 (42.5)

3,787 (49.2)

  1. Data were number (%) or mean ± SD
  2. aTotal population included farmers, manual workers, non-manual workers, and others
  3. bUnit is 10 thousand Korean won/month
  4. cOnly a third of total participants had these information