In the subgroup of adolescents who were at risk of mental health problems at baseline ( and referred for a consultation with the nurse ) , the E-health@Uth and consultation group showed minor to moderate positive results in mental health status ( SDQ : B = -@ , @ % CI -@ to -@ ; YSR : B = -@ , @ % CI -@ to -@ ) and health-related quality of life ( B = @ , @ % CI @-@ @ ) at follow-up compared to adolescents in the control group who were at risk of mental health problems at baseline .