Table 1. Demographic characteristics of the respondents by their status of being diagnosed with seborrheic dermatitis.

Characteristic	Missing	Overall, N=267	No, n=208	Yes, n=59	p-value
Age	0 (0%)				<0.001
18 to <30		97 (36.3%)	65 (31.3%)	32 (54.2%)
30 to <45		88 (33.0%)	67 (32.2%)	21 (35.6%)
45 to <60		77 (28.8%)	72 (34.6%)	5 (8.5%)
60 or more		5 (1.9%)	4 (1.9%)	1 (1.7%)
Gender	0 (0%)				0.034
Male		104 (39.0%)	74 (35.6%)	30 (50.8%)
Female		163 (61.0%)	134 (64.4%)	29 (49.2%)
Nationality	0 (0%)				0.124
Saudi		257 (96.3%)	198 (95.2%)	59 (100.0%)
Non-Saudi		10 (3.7%)	10 (4.8%)	0 (0.0%)
BMI (kg/m2)	4 (1.5%)				0.760
Underweight <18.5		13 (4.9%)	9 (4.4%)	4 (6.9%)
Normal weight 18.5 to <25		76 (28.9%)	58 (28.3%)	18 (31.0%)
Overweight 25.0 to <30		106 (40.3%)	83 (40.5%)	23 (39.7%)
Obese ≥ 30.0		68 (25.9%)	55 (26.8%)	13 (22.4%)
Educational level	0 (0%)				0.227
Uneducated		2 (0.7%)	1 (0.5%)	1 (1.7%)
Primary		0 (0.0%)	0 (0.0%)	0 (0.0%)
Middle		1 (0.4%)	1 (0.5%)	0 (0.0%)
Secondary/diploma		52 (19.5%)	39 (18.8%)	13 (22.0%)
Bachelor's degree		180 (67.4%)	138 (66.3%)	42 (71.2%)
Postgraduate		32 (12.0%)	29 (13.9%)	3 (5.1%)
Residence city	0 (0%)				<0.001
Jeddah		221 (82.8%)	162 (77.9%)	59 (100.0%)
Other		46 (17.2%)	46 (22.1%)	0 (0.0%)
Physical exercise	0 (0%)				0.801
I do not do sports		129 (48.3%)	101 (48.6%)	28 (47.5%)
2-3 times a week		104 (39.0%)	82 (39.4%)	22 (37.3%)
4-6 times a week		34 (12.7%)	25 (12.0%)	9 (15.3%)
Following a specific diet	0 (0%)				0.272
No		229 (85.8%)	181 (87.0%)	48 (81.4%)
Yes		38 (14.2%)	27 (13.0%)	11 (18.6%)
Currently taking weight-loss medications or therapies	0 (0%)				>0.999
No		261 (97.8%)	203 (97.6%)	58 (98.3%)
Yes		6 (2.2%)	5 (2.4%)	1 (1.7%)
Ever diagnosed with an eating disorder before	0 (0%)				>0.999
No		267 (100.0%)	208 (100.0%)	59 (100.0%)
Yes		0 (0.0%)	0 (0.0%)	0 (0.0%)