Prevalence of Dietary Supplements Use among Gymnasium Users

Table 1

Demographic characteristics of participants.

Characteristic	Supplements users (%)	Non-supplements user (%)	value
Age (years), median (IQR)	27 (22–31)	28 (23–33)	0.133
Sex
(i) Male	101 (89.4)	125 (67.2)	<0.0001
(ii) Female	12 (10.6)	61 (32.8)
Smoking status
(i) Yes	51 (45.1)	54 (29)	0.005
(ii) No	62 (54.9)	132 (71)
Nationality
(i) Saudi	93 (82.3)	141 (78.8)	0.187
(ii) Non-Saudi	20 (17.7)	45 (24.2)
Level of education
(i) Less than high school	1 (0.9)	2 (1.1)	0.945
(ii) High school	35 (31)	52 (28)
(iii) Bachelor	62 (54.9)	108 (58.1)
(iv) Master/Ph.D.	15 (13.3)	24 (12.9)
Income (SR)
(i) 3,000 to <5,000	39 (34.5)	58 (31.2)	0.157
(ii) 5,000 to <10,000	29 (25.7)	35 (18.8)
(iii) 10,000 to <20,000	33 (29.2)	53 (28.5)
(iv) 20,000 to <30,000	8 (7.1)	25 (13.4)
(v) >30,000	4 (3.5)	15 (8.1)

value: Mann–Whitney for difference in medians and test for difference proportions.