# Table 1

Subject demographics (%)

Parameter

Value

EO/LTTO (n = 30)

"Suffocation"

pediculicide (n = 31)

TTO/LO) (n = 31)

Overall (n = 92)

p

Gendera

Female

22 (73.3)

19 (61.3)

22 (71.0)

63 (68.5)

0.5603

Male

8 (26.7)

12 (38.7)

9 (29.0)

29 (31.5)

School Codea

C

11 (36.7)

11 (35.5)

12 (38.7)

34 (37.0)

0.9811

D

13 (43.3)

13 (41.9)

14 (45.2)

40 (43.5)

RE

6 (20.0)

7 (22.6)

5 (16.1)

18 (19.6)

Prep

6 (20.0)

5 (16.1)

8 (25.8)

19 (20.7)

0.8170

1

10 (33.3)

9 (29.0)

8 (25.8)

27 (29.3)

2

1 (3.3)

1 (3.2)

0 (0.0)

2 (2.2)

3

4 (13.3)

3 (9.7)

7 (22.6)

14 (15.2)

4

4 (13.3)

5 (16.1)

1 (3.2)

10 (10.9)

5

2 (6.7)

3 (9.7)

5 (16.1)

10 (10.9)

6

2 (6.7)

3 (9.7)

1 (3.2)

6 (6.5)

7

1 (3.3)

2 (6.5)

1 (3.2)

4 (4.3)

Hair Colourb

Black

7 (23.3)

16 (51.6)

6 (19.4)

29 (31.5)

0.0308

Blonde

8 (26.7)

7 (22.6)

12 (38.7)

27 (29.3)

Brown

14 (46.7)

6 (19.4)

13 (41.9)

33 (35.9)

Red

1 (3.3)

2 (6.5)

0 (0.0)

3 (3.3)

Hair Lengthc (cm)

n

30

31

31

92

0.8047

Mean

28.9

28.8

31.4

29.7

SD

15.76

19.63

16.89

17.37

Min

3

2

3

2

Median

32.0

30.0

33.0

32.0

Max

53

59

60

60

Hair Typeb

Curly

2 (6.7)

2 (6.5)

1 (3.2)

5 (5.4)

0.8860

Straight

24 (80.0)

23 (74.2)

23 (74.2)

70 (76.1)

Wavy

4 (13.3)

6 (19.4)

7 (22.6)

17 (18.5)

a: Probability calculated by Pearson's chi-square test; b: Probability calculated by Fisher's Exact test; c: Probability calculated by analysis of variance.

Barker and Altman BMC Dermatology 2011 11:14   doi:10.1186/1471-5945-11-14