Table 1 Age and Sex distribution of primary school children with skin disorders in Dar es Salaam (n = 420)

Infective skin disorders

Dermatophytosis

27

(12.6)

21

(10.1)

0.41

23

(21.8)

24

(15.6)

1

(3.7)

48

(11.4)

0.045

Pityriasis versicolor

23

(10.7)

13

(6.2)

0.09

4

(2.5)

26

(10.9)

6

(22.2)

36

(8.6)

0.0004

Pyodermas

9

(4.2)

8

(3.9)

0.85

6

(3.8)

10

(4.2)

1

(3.7)

17

(4.0)

-

Pediculosis capitis

5

(2.3)

10

(4.8)

0.17

7

(4.5)

8

(3.4)

0

15

(3.6)

-

Scabies

4

(1.8)

2

(0.9)

0.70

1

(0.6)

5

(2.1)

0

6

(1.4)

-

Viral warts

2

(0.9)

4

(1.9)

0.65

4

(2.5)

2

(0.8)

0

6

(1.4)

-

Non infective skin disorders

Acne vulgaris

78

(36.6)

75

(36.2)

0.93

0

143

(60.3)

10

(37.0)

153

(36.4)

-

Non specific ulcers

14

(6.5)

7

(3.4)

0.133

10

(6.4)

11

(5.2)

0

21

(5)

-

Atopic eczema

6

(2.8)

5

(2.4)

0.79

6

(3.8)

4

(1.7)

1

(3.7)

11

(2.6)

-

Birth marks

6

(2.8)

4

(1.9)

0.78

6

(3.8)

3

(1.2)

1

(3.7)

10

(2.3)

-

Seborrheic eczema

3

(1.4)

2

(0.9)

0.97

1

(0.6)

2

(0.8)

2

(7.4)

5

(1.2)

-

Keratosis pilaris

5

(2.3)

0

-

3

(1.9)

2

(0.8)

0

5

(1.2)

-

Angular cheilitis

2

(0.9)

3

(1.4)

0.97

3

(0.6)

2

(0.8)

0

5

(1.2)

-

Vitiligo

3

(1.4)

0

-

1

(0.6)

2

(0.9)

0

3

(0.7)

-

Alopecia areata

1

(0.4)

0

-

0

1

(0.4)

0

1

(0.2)

-

Intertrigo

1

(0.4)

0

-

0

1

0

1

(0.2)

0.000

Non specific dermatoses

29

(13.6)

16

(7.7)

0.05

8

(5.1)

12

(5.0)

25

(92.2)

45

(10.7)

0.0001

Any skin disorder

132

(61.9)

109

(52.6)

0.05

71

(45.5)

148

(62.4)

22

(81.5)

241

(57.3)