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Table 3 Sociodemographic, Life habits, and Sleep Situation Characteristics by CEI Status of Plastic Greenhouse Vegetable Farmers in Yinchuan, China from 2015 to 2017

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

Characteristics

Sample size

CEI Level

Low-level (n = 395)

Medium-level (n = 424)

High-level (n = 411)

Number of family member (n, %)

 One person

7

1 (14.29)

3 (42.86)

3 (42.86)

 Two persons

111

30 (27.03)

34 (30.63)

47 (42.34)

 Three persons

209

57 (27.27)

82 (39.23)

70 (33.49)

 Four and more

897

305 (34.00)

303 (33.78)

289 (32.22)

Gender (n, %)

 Male

685

212 (30.95)

239 (34.89)

234 (34.16)

 Female

545

183 (33.58)

185 (33.94)

177 (32.48)

Ethnic (n, %)

 Han

1107

379 (34.24)

380 (34.33)

348 (31.44)

 Hui

123

16 (13.01)

44 (35.77)

63 (51.22)

Age (Mean, SD)

1230

45.97 (10.37)

46.66 (10.18)

47.40 (9.70)

Educational level (n, %)

 No formal school education

332

12 (37.65)

127 (38.25)

80 (24.10)

 Primary school

386

135 (34.97)

135 (34.97)

116 (30.05)

 Junior high school

433

112 (25.87)

144 (33.26)

177 (40.88)

 High school and above

79

23 (29.11)

18 (22.78)

38 (48.10)

Marital status (n, %)

 Unmarried

41

10 (24.39%)

19 (46.34%)

12 (29.27%)

 Married

1166

376 (32.25%)

396 (33.96%)

394 (33.79%)

 Others

23

9 (39.13%)

9 (39.13%)

5 (21.74%)

Recent smoking status (refer to past 30 days) (n, %)

 Every day

454

149 (32.82%)

162 (35.68%)

143 (31.50%)

 Not every day

20

4 (20.00%)

6 (30.00%)

10 (50.00%)

 Former smoker, now quit

62

20 (32.26%)

24 (38.71%)

18 (29.03%)

 Never

694

222 (31.99%)

232 (33.43%)

240 (34.58%)

Drinking status (n, %)

 30 days ago,

193

58 (30.05%)

61 (31.61%)

74 (38.34%)

 Within the last 30 days

275

78 (28.36%)

103 (37.45%)

94 (34.18%)

 Never drinking

762

259 (33.99%)

260 (34.12%)

243 (31.89%)

Breakfast (n, %)

 Almost everyday

735

261 (35.51%)

246 (33.47%)

228 (31.02%)

 Occasionally

180

38 (21.11%)

64 (35.56%)

78 (43.33%)

 Few

102

27 (26.47%)

26 (25.49%)

49 (48.04%)

 Never

211

67 (31.75%)

88 (41.71%)

56 (26.54%)

Family net income group (n, %)

 Quartile 1 (<¥4000)

323

117 (36.22%)

112 (34.67%)

94 (29.10%)

 Quartile 2 (¥4000–¥10,000)

378

159 (42.06%)

129 (34.13%)

90 (23.81%)

 Quartile 3 (¥10,000–¥20,000)

279

69 (24.73%)

108 (38.71%)

102 (36.56%)

 Quartile 4 (>¥20,000)

250

50 (20.00%)

75 (30.00%)

125 (50.00%)

Number of chronic disease (n, %)

 None

1162

385 (33.13%)

398 (34.25%)

379 (32.62%)

 One

49

9 (18.37%)

20 (40.82%)

20 (40.82%)

 Two and more

19

1 (5.26%)

6 (31.58%)

12 (63.16%)

Survey year (n, %)

 2015

398

122 (30.65%)

140 (35.18%)

136 (34.17%)

 2016

449

148 (32.96%)

131 (29.18%)

170 (37.86%)

 2017

383

125 (32.64%)

153 (39.95%)

105 (27.42%)

Sleep duration (n, %)

 Short

217

54(24.88%)

73(33.64%)

90(41.47%)

 Optimal

736

245(33.29%)

250(33.97%)

241(32.74%)

 Long

277

96(34.66%)

101(36.46%)

80(28.88%)

Self-rated sleep quality (n, %)

 excellent

696

267 (38.36%)

254 (36.49%)

175 (25.14%)

 good

342

78 (22.81%)

107 (31.29%)

157 (45.91%)

 worse

166

42 (25.30%)

54 (32.53%)

70 (42.17%)

 much worse

26

8 (30.77%)

9 (34.62%)

9 (34.62%)

Hypnotic drug use (n, %)a

 None

1204

382 (31.73%)

416 (34.55%)

406 (33.72%)

 <1 times/week

11

4 (36.36%)

7 (63.64%)

0 (0.00%)

 1–2 times/week

7

3 (42.86%)

1 (14.29%)

3 (42.86%)

  ≥ 3 times/week

8

6 (75.00%)

0 (0.00%)

2 (25.00%)

Falling asleep trouble (n, %)

 None

994

343 (34.51%)

334 (33.60%)

317 (31.89%)

 <1 times/week

82

6 (7.32%)

39 (47.56%)

37 (45.12%)

 1–2 times/week

64

14 (21.88%)

24 (37.50%)

26 (40.63%)

  ≥ 3 times/week

90

32 (35.56%)

27 (30.00%)

31 (34.44%)

Sleep apnea (n, %)

 None

1145

365 (31.88%)

395 (34.50%)

385 (33.62%)

 <1 times/week

39

13 (33.33%)

14 (35.90%)

12 (30.77%)

 1–2 times/week

28

11 (39.29%)

9 (32.14%)

8 (28.57%)

  ≥ 3 times/week

18

6 (33.33%)

6 (33.33%)

6 (33.33%)

Nightmares (n, %)

 None

868

289 (33.29%)

301 (34.68%)

278 (32.03%)

 <1 times/week

120

43 (35.83%)

30 (25.00%)

47 (39.17%)

 1–2 times/week

118

29 (24.58%)

45 (38.14%)

44 (37.29%)

  ≥ 3 times/week

124

34 (27.42%)

48 (38.71%)

42 (33.87%)

Suffer from sleep disorders (n, %)

 None

1066

346 (32.46%)

369 (34.62%)

351 (32.93%)

 <1 times/week

67

19 (28.36%)

14 (20.90%)

34 (50.75%)

 1–2 times/week

49

11 (22.45%)

22 (44.90%)

16 (32.65%)

  ≥ 3 times/week

48

19 (39.58%)

19 (39.58%)

10 (20.83%)

  1. Note: Missing information about CEI in the calculation item resulted in a total sample size different from 1366
  2. a: Used Fisher’s exact test
  3. Family net income group: Calculated by family raw income minus family total expenditure in quartiles. ‘Quartile 1’ represents the lowest family finance status, while ‘Quartile 4’ is the highest family finance status
  4. Number of chronic diseases: chronic disease information was obtained using the question “Do you have the following diseases diagnosed at the hospital?”. Options included “Hypertension”, “Coronary heart disease (CHD)”, “Hyperlipidemia”, “Stroke”, “Myocardial infarction”, “Heart failure”, “Coronary atherosclerosis”, and “Others”
  5. ¥: China Yuan (CNY)