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Table 2 Distribution (%) of children’s intelligence quotient (IQ) by sociodemographic characteristics and nutritional status categories

From: Low socioeconomic status and severe obesity are linked to poor cognitive performance in Malaysian children

Ìý

Low/borderline

Below average

Average

High average

Superior

Likelihood ratio

p value

Mean

95% CI

Mean

95% CI

Mean

95% CI

Mean

95% CI

Mean

95% CI

Sex

 B´Ç²â²õ

10.1

8.3, 12.2

14.3

11.6, 17.5

38.0

34.5, 41.7

20.7

17.9, 23.7

16.9

14.5, 19.7

18.726

±è &±ô³Ù; 0.05

 G¾±°ù±ô²õ

14.5

11.9, 17.6

13.1

10.6, 16.0

40.3

36.6, 44.1

15.9

13.5, 18.6

16.3

13.6, 19.3

ÌýÌý

Age groups

 5.0–6.9 y±ð²¹°ù²õ

14.6

11.3, 18.7

11.9

9.2, 15.4

36.0

31.5, 40.7

19.4

15.9, 23.4

18.1

14.8, 22.0

37.301

p &±ô³Ù; 0.01

 7.0–9.9 y±ð²¹°ù²õ

12.4

10.1, 15.1

13.5

11.0, 16.5

36.2

32.3, 40.3

17.6

14.8, 20.9

20.2

17.1, 23.8

ÌýÌý

 10.0–12.9 y±ð²¹°ù²õ

10.5

7.9, 13.8

15.0

11.4, 19.4

44.1

39.4, 48.9

18.4

15.3, 22.0

12.0

9.4, 15.2

ÌýÌý

Residence

 U°ù²ú²¹²Ô

11.9

10.0, 14.1

13.1

10.9, 15.6

38.8

35.8, 42.0

17.9

15.8, 20.3

18.2

16.0, 20.6

21.290

p &±ô³Ù; 0.01

 R³Ü°ù²¹±ô

13.3

11.0, 16.1

16.2

12.9, 20.1

40.3

36.0, 44.7

20.0

16.5, 24.1

10.2

8.2, 12.7

ÌýÌý

Income groups

 Below MYR1500

17.3

14.0, 21.1

17.5

13.6, 22.2

43.2

38.4, 48.1

13.9

11.2, 17.1

8.2

6.2, 10.7

151.781

p &±ô³Ù; 0.001

 M³Û¸é1500-²Ñ³Û¸é2299

12.9

9.3, 17.7

13.9

10.3, 18.5

37.9

32.0, 44.2

21.5

17.0, 26.9

13.8

10.4, 18.1

ÌýÌý

 M³Û¸é2300-²Ñ³Û¸é5599

9.9

7.5, 13.0

10.9

8.4, 14.1

40.9

36.5, 45.5

18.7

15.6, 22.3

19.6

16.3, 23.3

ÌýÌý

 MYR5600 and above

6.5

4.2, 10.1

11.8

7.9, 17.3

30.2

25.0, 35.9

22.1

17.3, 27.6

29.4

23.9, 35.7

ÌýÌý

Paternal education level

 Non-schoolingÌýand primary school

17.7

11.9, 25.6

22.4

13.3, 35.3

36.4

27.2, 46.7

14.4

9.2, 21.7

9.1

5.4, 15.0

99.370

p &±ô³Ù; 0.001

 Secondary school

14.2

12.0, 16.7

13.6

11.5, 16.0

41.0

37.7, 44.3

17.4

15.2, 19.9

13.8

11.8, 16.0

ÌýÌý

 Tertiary school

6.0

4.0, 8.7

11.3

8.2, 15.4

35.6

31.1, 40.4

21.7

18.0, 25.9

25.4

21.2, 30.1

ÌýÌý

Maternal education level

 Non-schooling and primary school

21.8

14.4, 31.6

21.0

12.3, 33.4

37.9

27.7, 49.1

10.1

6.0, 16.5

9.3

4.9. 17.1

119.384

p &±ô³Ù; 0.001

 Secondary school

13.5

11.5, 15.9

13.7

11.5, 16.2

42.2

39.0, 45.5

17.1

14.9, 19.5

13.5

11.6, 15.7

ÌýÌý

 Tertiary school

6.4

4.5, 9.0

11.9

8.7, 15.9

31.7

27.3, 36.5

23.8

19.9, 28.2

26.2

22.0, 30.9

ÌýÌý

Ethnicity

 M²¹±ô²¹²â

13.5

11.2, 16.2

16.1

13.3, 19.3

41.7

38.0, 45.5

15.5

13.0, 18.3

13.2

10.9, 16.0

117.651

p &±ô³Ù; 0.001

 C³ó¾±²Ô±ð²õ±ð

7.5

5.4, 10.2

8.2

6.0, 11.1

30.5

26.3, 35.1

25.3

21.3, 29.8

28.5

24.2, 33.2

ÌýÌý

 I²Ô»å¾±²¹²Ô

17.6

12.1, 24.9

12.0

7.4, 19.0

45.2

35.5, 55.3

13.0

8.3, 19.7

12.1

6.8, 20.8

ÌýÌý

 O³Ù³ó±ð°ù²õ

10.9

7.3, 16.0

12.0

8.5, 16.6

37.3

32.2, 42.7

23.2

19.2, 27.7

16.6

13.1, 20.8

ÌýÌý

BAZ groups

 T³ó¾±²Ô²Ô±ð²õ²õ

5.9

3.3, 10.3

18.1

11.7, 26.9

44.8

34.1, 56.1

16.6

11.0, 24.4

14.6

8.9, 22.8

43.447

p = 0.102

 Normal weight

12.5

10.6, 14.7

11.5

9.6, 13.8

39.3

36.2, 42.6

18.7

16.4, 21.3

17.9

15.7, 20.4

ÌýÌý

 O±¹±ð°ù·É±ð¾±²µ³ó³Ù

14.9

10.6, 20.7

14.7

9.1, 23.0

38.2

31.3, 45.5

19.3

14.5, 25.2

12.9

8.9, 18.4

ÌýÌý

 O²ú±ð²õ±ð

9.4

4.7, 17.6

19.4

13.0, 28.0

37.5

30.1, 45.5

19.9

14.5, 26.6

13.9

8.5, 21.8

ÌýÌý

 Severe obesity

17.1

9.9, 28.0

19.0

11.4, 29.9

35.1

25.4, 46.2

10.1

5.6, 17.5

18.7

11.9, 28.3

ÌýÌý

HAZ groups

â€ÇȳٳܲԳٱð»å

16.4

9.9, 26.2

14.8

9.0, 23.4

36.6

26.4, 48.2

19.4

12.3, 29.1

12.8

7.7, 20.4

3.969

p = 0.656

 Normal height

11.9

10.3, 13.8

13.6

11.7, 15.8

39.3

36.6, 42.0

18.3

16.4, 20.4

16.8

15.0, 18.9

ÌýÌý
  1. IQ categories: < 80, low/borderline; 80–90, below average; 90–109, average; 110–119, high average; ≥ 120, superior
  2. Other ethnic groups include Sarawak bumiputra, Sabah bumiputra, and other bumiputra
  3. ǂUSD 1 = MYR 4.1405 (as at 28 September 2018)