Table 2: Mean Serum 25-Hyroxyvitamin D Levels according to sex, age group, nutritional and socioeconomic status.

Variable

Frequency (%)

Mean serum 25(OH)D nmol/l

Test statistics

P value

Sex

t = -0.028

0.977

Male

72 (64.3)

58.6 ± 30.4

Female

40 (35.7)

58.8 ± 30.9

Total

112 (100)

Age group

F = 2.183

0.094

1-6 months

37 (33.0)

49.1 ± 30.7

7-12 months

38 (33.9)

62.1 ± 33.5

13-18 months

20 (17.9)

60.6 ± 21.5

19-24 months

17 (15.2)

69.5 ± 29.2

Total

112 (100)

Nutritional status

F = 0.316

0.730

Normal weight

84 (75.0)

58.8 ± 31.8

Under weight

26 (23.2)

59.5 ± 25.3

Overweight

02 (1.8)

41.8 ± 30.5

Total

112 (100)

Socioeconomic status

F = 1.273

0.284

High (Classes 1 & 11)

38 (33.9)

65.0 ± 27.2

Middle (Class 111)

51 (45.6)

55.8 ± 34.6

Low (Classes 1V & V)

23 (20.5)

54.4 ± 24.8

Total

112 (100)

F: ANOVA; t: Independent samples T-test