Latent profiles of mental health literacy among community residents in Nanchang, China

Table 3 Mental health indicator scores across mental health literacy profiles and post hoc comparisons, mean ± SD

Variable	Integrated high literacy group (n = 1382)	Integrated low literacy group (n = 556)	Literacy imbalanced group (n = 529)	F value	Post hoc comparisons
Problematic social media use	8.16 ± 5.45	9.46 ± 6.52	10.44 ± 5.14	34.288	3 > 2 > 1
PHQ-9	6.83 ± 7.12	13.52 ± 9.93	13.83 ± 7.78	223.387	2 approximately = 3 > 1
GAD-7	4.93 ± 5.70	10.56 ± 7.91	10.38 ± 6.21	230.054	2 approximately = 3 > 1
ISI	4.38 ± 4.75	10.26 ± 7.74	9.40 ± 5.93	272.787	2 > 3 > 1
Stigma	28.00 ± 4.69	30.22 ± 2.49	29.20 ± 3.11	65.941	2 > 3 > 1

In the post hoc comparison column, the numbers 1 to 3 represent the three profiles, ranked from low to high according to their scores. The symbol “>“ indicate a significantly lower score. numbers 1: Integrated high literacy group; numbers 2: Integrated low literacy group; numbers 3: Literacy imbalanced group. PHQ-9: Patient Health Questionnaire-9; GAD-7: Generalized Anxiety Disorder scale; ISI: Insomnia Severity Index.