Psychological stress impact neurotrophic factor levels in patients with androgenetic alopecia and correlated with disease progression

Table 1 Baseline demographic characteristics of two groups, n (%)/mean ± SD

Parameter	Non-stress group (n = 30)	Stress group (n = 90)	t/χ²	P value
Age (years)	29.03 ± 2.39	29.79 ± 4.81	1.131	0.261
Gender			0.048	0.827
Male	18 (60.00)	58 (64.44)
Female	12 (40.00)	32 (35.56)
BMI (kg/m2)	25.36 ± 2.12	25.82 ± 1.92	1.051	0.299
Smoking history (pack-years)	0.78 ± 1.66	0.89 ± 2.03	0.254	0.800
Alcohol intake (g/week)	20.18 ± 4.56	18.96 ± 3.81	1.319	0.194
Comorbidities
Hypertension	2 (6.67)	5 (5.56)	0	1
Diabetes	2 (6.67)	7 (7.78)	0	1
Family history of alopecia	17 (56.67)	48 (53.33)	0.011	0.916
Educational status			0	1
Junior high and below	4 (13.33)	13 (14.44)	0	1
Above junior high school	26 (86.67)	77 (85.56)
Marital status
Unmarried	10 (33.33)	35 (38.8)
Married	14 (46.67)	41 (45.56)
Divorced	5 (16.67)	12 (13.33)
Widowed	1 (3.33)	2 (2.22)	0.924	0.863
Duration of AGA			4.538	0.209
< 1 year	9	21
1–5 years	15	32
5–10 years	4	28
> 10 years	2	9

BMI: Body mass index; AGA: Androgenetic alopecia.