Mibyeong (sub-health) refers to a condition in which physical, mental, and social abnormalities cause discomfort in daily life or non-pathological abnormalities upon a clinical examination. In the present study, we find periorbital hyperpigmentation or dark circles under the eyes (DCE) to be associated with self-rated Mibyeong severity using a fully automated facial analysis system.
A dark circles under the eyes score (DCES) was determined in 169 participants, calculated as the difference between the intensity of the region under the eyes and that of the adjacent region. Self-rated Mibyeong severity was determined using a questionnaire.
DCES was positively associated with Mibyeong score (MBS) (ρ = 0.175, p = 0.024) and significantly correlated with specific Mibyeong symptoms, including depression persistence (ρ = .168, p = .030), anger degree (ρ = .223, p = .004), anger discomfort (ρ = .203, p = .009), anger persistence (ρ = .235, p = .002), anger degree after rest (ρ = .195, p = .012), anxiety degree (ρ = .176, p = .023), anxiety discomfort (ρ = .163, p = .035), and anxiety degree after rest (ρ = .192, p = .013). DCES was further statistically quasi-significant with sleep disturbance persistence, depression discomfort, and anxiety persistence.
The darker the circles under the eyes, the higher the MBS, which indicates that DCE can be an indicator of the Mibyeong status. DCE was correlated with anger, anxiety, depression, and sleep disturbance.
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