Mediating Effect of Sleep Quality on the Association Between Psychological Stress and Acne Vulgaris in Chinese College Students: A Cross-Sectional Study.

In contrast, although stress was positively associated with screen time, and screen time was in turn linked to an increased risk of acne, this entire mediating pathway did not reach statistical significance; thus, the presence of this mediating effect could not be statistically verified ( Figure 3 B). 3.4.

also in 111,027 other papers