Skip to main content

Table 1 Characteristics of farmers

From: The use of self-reported symptoms as a proxy for acute organophosphate poisoning after exposure to chlorpyrifos 50% plus cypermethrin 5% among Nepali farmers: a randomized, double-blind, placebo-controlled, crossover study

Variable

Total (n = 42)

Group A (n = 21)

Group B (n = 21)

P value*

Men, n (%)

42 (100)

21 (100)

21 (100)

 

Age (years)

   

0.134a

 Mean (SD)

38.1 (9.4)

35.9 (8.6)

40.2 (10.0)

 

Education, n (%)

   

0.917+,b

 No education

4 (9.5)

2 (9.5)

2 (9.5)

 

 1st–4th grade

6 (14.3)

2 (9.5)

4 (19.0)

 

 5th–8th grade

9 (21.4)

5 (23.8)

4 (19.0)

 

 9th–12th grade

23 (54.8)

12 (57.1)

11 (52.4)

 

 Median (IQR)

10 (4.8–10)

10 (6.0–10.0)

10 (3.0–10.0)

 

Involvement in farming (years), n (%)

   

0.208+,b

 1–10

18 (42.9)

12 (57.1)

6 (28.6)

 

 11–20

13 (31.0)

4 (19.0)

9 (42.9)

 

 21–30

5 (11.9)

3 (14.3)

2 (9.5)

 

  > 30

6 (14.3)

2 (9.5)

4 (19.0)

 

 Median (IQR)

12.0 (8.0–22.3)

10.0 (6.0–21.5)

13.0 (10.0-24-0)

 

Pesticide use (years), n (%)

   

0.398+,b

 1–10

24 (57.1)

15 (71.4)

9 (42.9)

 

 11–20

13 (31.0)

3 (14.3)

10 (47.6)

 

 21–30

5 (11.9)

3 (14.3)

2 (9.5)

 

 Median (IQR)

10.0 (4.8–13.3)

8.0 (4.0–14.0)

11.0 (5.0–13.5)

 

Marital status, n (%)

   

0.148c

 Currently married

36 (85.7)

18 (85.7)

18 (85.7)

 

 Divorced/Separated

2 (4.8)

0

2 (9.5)

 

 Never married

4 (9.5)

3 (14.3)

1 (4.8)

 

Body Mass Index (kg/m2)

   

0.505b

 Median (IQR)

22.3 (19.8–24.9)

21.4 (18.3–25.9)

22.7 (21.4–23.4)

 

Alcohol drinking, n (%)

   

0.317d

 Yes

13 (31.0)

5 (23.8)

8 (38.1)

 

 No

29 (69.0)

16 (76.2)

13 (61.9)

 

Smoking, n (%)

   

1.000e

 Yes

7 (16.7)

3 (14.3)

4 (19.0)

 

 No

35 (83.3)

18 (85.7)

17 (81.0)

 

Chewing tobacco, n (%)

   

0.212d

 Yes

18 (42.9)

11 (52.4)

7 (33.3)

 

 No

24 (57.1)

10 (47.6)

14 (66.7)

 
  1. * = For difference between Group A and Group B
  2. + = Tested as a continuous variable
  3. a = Two sample t-test
  4. b = Mann Whitney U-test
  5. c = Likelihood Ratio
  6. d = Fishers’ exact test
  7. e = Pearson Chi-Square test