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Table 1 Questionnaire Items, Items in the Formula and Assigned Scores

From: Relationship between cumulative exposure to pesticides and sleep disorders among greenhouse vegetable farmers

Questionnaire Item

Options and Scores

Frequency

Percentage (%)

Items in the Formula

Are you using mixed pesticides?

Never used mixing = 0

265

19.40

mixing status

Less than 50% times = 3

396

28.99

More than 50% times = 9

599

43.85

Missing

106

7.76

What is the way you spray pesticides?

Hand spray = 8

1112

81.41

application method

Machine Spray = 1

113

8.27

Mix spray = 4

24

1.76

Missing

117

8.57

In the process of spraying, do you have the following behavior?

Drink water = 3

77

5.64

behavior in spray

Eating = 3

26

1.90

Smoking = 2

51

3.73

Chat = 1

444

32.50

None = 0

672

49.19

Missing

96

7.03

What are the protective measures you use when using pesticides?a (Multiple choice) [41]

PPE-0 = 1

482

35.29

PPE

PPE-1 = 0.8

183

13.40

PPE-2 = 0.7

370

27.09

PPE-3 = 0.6

7

0.51

PPE-1 & PPE-2 = 0.5

219

16.03

PPE-1 & PPE-3 = 0.4

0

0.00

PPE-2 & PPE-3 = 0.3

6

0.44

PPE-1 & PPE-2 & PPE-3 = 0.1

0

0.00

Missing

99

7.25

Question 1: After spraying pesticide, when do you usually clean or change into clean clothes?

Question 2: What time do you have to take a shower after spraying pesticides?

Question 3: What time do you wash your hands after spraying pesticide?

Question 1:

Hyg [36]

Immediately = 1

745

54.54

Change the clothes that day = 2

364

26.65

Do not change clothes never = 3

156

11.42

Missing

101

7.39

Question 2

  

Immediately = 1

472

34.55

The same day = 2

584

42.75

Not in the same day = 3

187

13.69

Missing

123

9.00

Question 3

  

Immediately = 1

472

34.55

The same day = 2

584

42.75

Not in the same day = 3

187

13.69

Mssing

123

9.00

How many years did you work in vegetable greenhouse?

1–2 years = 1

558

40.85

Years

2–5 years = 2

154

11.27

5–10 years = 3

274

20.06

10–20 years = 4

301

22.04

> 20 years = 5

79

5.78

What is the area of your greenhouse?b

< 1 MUc = 1

23

1.68

Areas

1–2 MU = 2

378

27.67

2–5 MU = 3

462

33.82

5–10 MU = 4

403

29.50

> 10 MU = 5

100

7.32

  1. Note: a. Options were either none, masks, protective suit, protective goggles, protective gloves, or protective rubber shoes; If ‘None’ was selected, then, the assigned score was PPE-0. If one or more of these options (masks, goggles, fiber or leather gloves, old clothes) was chosen, then assign PPE-1; If one or more of these options were used along with gas masks, rubber boots, or clean protective clothing; then assign PPE-2; If rubber gloves were used, then assign PPE-3 [41]
  2. b. If participants did not know the greenhouse planting area, then the following question was asked: “Do you remember the width and length of the planting area?” Then, the areas were calculated using the formula width*length
  3. c. China area measurement unit, 1 MU = 666.6667 m2