Table 1.

Sociodemographic variables and organizational factors of the sample

	Total	Males	Females
Age (years)
Mean, SD	46.3 ± 8.28	46.1 ± 9.32	46.8 ± 5.96
Min	20	28	36
Max	55	63	55
Level of VI
Blind	18(41.9)	10(33.3)	8(61.5)
Poor-sighted	25(58.1)	20(66.7)	5(38.5)
No of participants with VI
Before 5 years	18(41.9)	10(33.3)	8(61.5)
After 5 years	25(58.1)	20(66.7)	5(38.5)
The age of VI onset
Mean, SD	37.1 ± 11.8	36.1 ± 12.4	39.5 ± 10.5
Min	15	15	16
Max	63	63	53
Level of education
Master of science	10 (23.2)	5 (16.7)	5 (38.5)
Technician/bachelor	33 (76.8)	25 (83.3)	8 (61.5)
Place of residence
Residence with < 50K population	22 (51.2)	16 (53.3)	6 (46.2)
Residence with 50–500K population	12 (27.9)	6 (20.0)	6 (46.2)
Residence with ≥ 500K	9 (20.9)	8 (26.7)	1 (7.6)
Marital status
Single	15 (34.9)	12 (40.0)	3 (23.1)
Married	24 (55.8)	16 (53.3)	8 (61.5)
Divorced/separated	4 (9.3)	2 (6.7)	2 (15.4)
Household structure
Single person	10 (24.4)	8 (28.6)	2 (15.4)
Living with 1 person	8 (19.5)	4 (14.3)	4 (20.8)
Living with 2 or more person	23 (56.1)	16 (57.1)	7 (53.8)
The main source of incomes
Yes	26 (60.5)	21 (70.0)	5 (38.5)
No	17 (39.5)	9 (30.0)	8 (61.5)1
Years of practise
Mean, SD	18.7 ± 10.1	18.7 ± 10.3	18.6 ± 9.90
Min	0	2	0
Max	40	40	32
The age of practice onset
Mean, SD	27.6 ± 8.45	27.4 ± 7.52	28.2 ± 10.6
Min	20	20	21
Max	55	53	55
Hours of practice/week
Mean, SD	34.7 ± 8.06	35.4 ± 9.19	33.2 ± 4.46
Min	6	6	25
Max	50	50	40
Private activity
Yes	22 (51.2)	19 (63.3)	3 (23.1)
No	21 (48.8)	11 (36.7)	10 (76.9)2

Males versus females: ¹chi²=3.77; p = 0.052; ²chi²=5.88; p = 0.015