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Retrospective Study
©The Author(s) 2026.
World J Psychiatry. Jan 19, 2026; 16(1): 109993
Published online Jan 19, 2026. doi: 10.5498/wjp.v16.i1.109993
Table 7 Univariate analysis of depression-related variables, mean ± SD

Depression (n = 98)
Non-depression (n = 198)
χ2/t
P value
Gender1.1450.285
Male5394
Female45104
Age48.93 ± 7.0646.76 ± 7.732.3390.020
Body mass index23.58 ± 3.3423.62 ± 3.050.0900.928
Ethnicity2.6830.101
Han75167
Ethnic minorities2331
Educational attainment0.1680.920
≤ Junior high school3159
College, technical secondary school, or senior high school3570
≥ University3269
Occupation2.4750.290
Employed3374
Retired3757
Unemployed2867
Marital status12.0220.003
Unmarried129
Married71175
Divorced or widowed1514
Place of residence0.0680.794
Urban57112
Rural4186
Annual income (in 10000 Chinese yuan)73.682< 0.0001
≤ 16331
1-61495
> 62172
Medical insurance type2.6170.455
Employee or resident medical insurance3688
New rural cooperative medical scheme2850
Commercial insurance1838
No medical insurance1622
Family history0.7530.867
Positive3479
Negative64119
Endoscopic ultrasonography17.661< 0.0001
Yes31114
No6784
Sleep disorders83.7511< 0.0001
Yes5819
No40179
Disease cognition level33.251< 0.0001
Without cognition7071
With cognition28127


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