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Table 2 Associations between living environment variables and child IQ status

From: The negative impact of living environment on intelligence quotient of primary school children in Baghdad City, Iraq: a cross-sectional study

Living environment

N

Low IQ F (%)

High IQ F (%)

POR

Pvaluea

Mental stress domain

     

Unstable security situation

     

Frequently

121

29 (24)

92 (76)

1.26

0.33

Occasionally

345

71 (20.6)

274 (79.4)

1.54

 

Never

63

18 (28.6)

45 (71.4)

  

Worry about child safety

     

Frequently

171

47 (27.5)

124 (72.5)

0.75

0.11

Occasionally

268

51 (19)

217 (81)

1.21

 

Never

90

20 (22.2)

411 (77.8)

  

Child witnessed any type of explosion

     

Frequently

18

9(50.0)

9 (50.0)

0.22

<0.01

Occasionally

245

60(24.5)

185 (75.5)

0.69

 

Never

266

49(18.4)

217 (81.6)

  

Think of leaving house

     

Frequently

57

15 (26.3)

42 (73.7)

0.68

0.43

Occasionally

258

61 (23.6)

197 (76.4)

0.78

 

Never

214

42 (19.6)

172 (80.4)

  

Living area is insecure

     

Frequently

35

14 (40.0)

21 (60.0)

0.36

0.02

Occasionally

283

63 (22.3)

220 (77.7)

0.84

 

Never

211

41 (19.4)

170 (80.6)

  

Physical safety domain

     

Hear gun shots

     

Frequently

91

19 (20.9)

72 (79.1)

1.17

0.90

Occasionally

349

78 (22.3)

271 (77.7)

1.07

 

Never

89

21 (23.6)

68 (76.4)

  

Hear explosions

     

Frequently

86

16 (18.6)

70 (81.4)

0.98

0.30

Occasionally

345

84 (24.3)

261 (75.7)

0.69

 

Never

98

18 (18.4)

80 (81.6)

  

See dead bodies

     

Frequently

6

4 (66.7)

2 (33.3)

0.10

<0.01

Occasionally

130

45 (34.6)

85 (65.4)

0.40

 

Never

393

69 (17.6)

324 (82.4)

  

Child missed school

     

Frequently

28

16 (57.1)

12 (42.9)

0.20

<0.01

Occasionally

321

64 (19.9)

257 (80.1)

1.07

 

Never

180

38 (21.1)

142 (78.9)

  

Problem in going to school every day?

     

Frequently

33

21 (63.6)

12 (36.4)

0.11

<0.01

Occasionally

253

55 (21.7)

198 (78.3)

0.75

 

Never

243

42 (17.3)

201 (82.7)

  

Services domain

     

Electricity supply

     

< 4 hours per day

110

43 (39.1)

67 (60.9)

0.40

<0.01

4 – 8 hours per day

241

38 (15.8)

203 (84.2)

1.40

 

> 8 hours per day

178

37 (20.8)

141 (79.2)

  

Water quality

     

Below average

66

22 (33.3)

44 (66.7)

0.40

<0.01

Average

242

59 (24.4)

183 (75.6)

0.62

 

Good

221

37 (16.7)

184 (83.3)

  

Problems in getting food

     

Frequently

19

9 (47.4)

10 (52.6)

0.24

<0.01

Occasionally

213

56 (26.3)

157 (73.7)

0.60

 

Never

297

53 (17.8)

244 (82.2)

  
  1. a Pearson chi-squared test.
  2. POR: prevalence odds ratio.