Scabies among primary schoolchildren in Egypt: sociomedical environmental study in Kafr El-Sheikh administrative area

Figures & data

Figure 1 Scabies infestation in primary school children.

Notes: (A) Scabietic lesions in the web spaces of a female student at primary school. (B) Scabietic lesions around the umbilicus of a male student. (C) Scabietic lesions on the cubital fossa and forearm of a male student. (D) Scabietic lesions around the umbilicus of a female student.

Table 1 Sociodemographic characteristics of studied schoolchildren and distribution of children according to these risk factors for scabies

Sociodemographic risk factors	Total number (%)	Scabies cases n (%)	OR (95% CI)
Sex
Males	1,017 (48.3)	40 (3.9)	0.815 (0.535–1.242)
Females	1,087 (51.7)	52 (4.8)
Residence
Urban	862 (41)	28 (3.2)	0.618* (0.393–0.972)
Rural	1,242 (59)	64 (5.2)
Father’s education
Illiterate/primary	851 (40.5)	51 (6.0)	1.885* (1.237–2.870)
Secondary/university	1,253 (59.5)	41 (3.3)
Mother’s education
Illiterate/primary	934 (44.4)	60 (6.4)	2.441* (1.575–3.873)
Secondary/university	1,170 (55.6)	32 (2.7)
Father’s job
Unemployed/manual worker	1,093 (52)	65 (5.9)	2.304* (1.459–3.640)
Employee/professional/self-employed	1,011 (48)	27 (2.7)
Mother’s job
Housewife	1,660 (78.9)	77 (4.6)
Working		15 (3.4)	0.719 (0.409–1.362)
Manual worker	84 (3.99)
Employee/professional/self-employed	360 (17.11)

Note:

* Significant.

Table 2 Home environment characteristics of studied schoolchildren and distribution of children according to these risk factors for scabies

Home environment risk factors	Total number (%)	Scabies cases n (%)	OR (95% CI)
Family size
3	48 (2.3)
4	343 (16.3)
5	958 (45.5)
6	473 (22.5)
7	171 (8.1)
8	62 (3.0)
9+	49 (2.3)
Crowding index
≤1.5	1,792 (85.2)	10 (4.0)	0.892 (0.456–1.743)
>1.5	312 (14.8)	82 (4.4)
Sleeping index
Alone	706 (33.55)	18 (2.5)	0.468* (0.277–0.790)
With others		74 (5.3)
With one person	952 (45.24)
With two persons	329 (15.63)
With three or more persons	117 (5.56)
Having animals inside house
No	894 (42.5)	20 (2.2)
Yes	1,210 (57.5)	72 (6.0)	2.765* (1.672–4.573)
Dealing with animals outside house
No	1,748 (83.1)	69 (3.9)
Yes	356 (16.9)	23 (6.5)	1.681* (1.033–2.733)
Type of building
Hard brick	2,098 (99.7)	90 (4.3)	0.090* (0.016–0.496)
Soft brick	6 (0.3)	2 (33.3)

Note:

* Significant.

Table 3 Clinical history characteristics of studied schoolchildren and distribution of children according to these risk factors for scabies

Clinical history risk factors	Total number (%)	Scabies cases n (%)	OR (95% CI)
History of itchy skin rash within last 2 weeks
No	1,668 (79.3)	51 (3.05)
Yes	436 (20.7)	41 (9.4)	2.21* (1.098–3.911)
Family member with itchy skin lesion within last 2 weeks
No	1,771 (84.2)	17 (1.0)
Yes	333 (15.8)	75 (22.5)	29.99* (17.44–51.60)
Sharing clothes by family members
No	1,383 (65.7)	41 (3.0)
Yes	721 (34.3)	51 (7.1)	2.492* (1.635–3.797)

Note:

* Significant.

Table 4 Multivariate analysis of risk factors affecting scabies infection among studied schoolchildren

Variable	Wald’s test value	P	95% CI of exp B
Mothers’ education
Illiterate/Primary	5.365	0.021*	1.118–3.796
Secondary/University	Referent
Sleeping
Alone	5.106	0.024*	0.319–0.922
With others	Referent
Having animals in the house
No	10.377	0.001*	0.255–0.717
Yes	Referent
Type of building
Hard brick	6.815	0.001*	0.017–0.558
Soft brick	Referent
Family history of itchy skin lesion
No	Referent
Yes	6.776	0.009*	1.181–3.257

Note:

* Significant.