Work-Related Health Disorders among Saudi Computer Users

Table 4

Demographic characteristics of the study population.

Demographic characteristics	Frequency
	KAU ( = 100)	SAUDIA ( = 100)	STC ( = 100)
Age (years)
20–24	24	9	19
25–29	30	8	47
30–34	14	10	14
35–39	15	18	7
40–44	10	20	8
45–49	5	24	3
50–54	2	9	2
>55	0	2	0
Education
Middle	6	2	2
Secondary (general)	21	71	55
Secondary (technical)	8	4	2
High (technical)	19	2	13
High (administrative)	30	21	23
Graduate (master + doctor)	16	0	5
Smoking index
Nonsmokers	79	76	62
<100	6	5	17
100–199	3	2	9
200–399	2	4	5
400–500	5	3	3
>600	5	10	4
Vision symptoms prior to present work*
None	58	70	58
Short-sighted	30	23	25
Long-sighted	7	2	10
Others	7	5	7
Musculoskeletal symptoms prior to present Work*
None	59	62	55
Neck pain	22	24	17
Shoulder and/or arms pain	11	11	4
Lower trunk pain	13	23	16
Thigh and leg pain	5	8	4
Others	1	1	4

*The same subject might have more than one symptom occurring at different frequencies.