Table 6. Relationship between education level of pregnant women and insomnia, worry, or depression (N = 141).

Questionnaire	Education	N	Mean (sd)	p-value
ISI	Primary	18	15.56±5.93	0.028
	Secondary	36	10.75±6.40
	University	87	11.41±6.58
PSWQ	Primary	18	49.06±9.56	0.365
	Secondary	36	45.19±9.47
	University	87	47.80±11.54
ZSDS	Primary	18	52.33±7.55	0.000
	Secondary	36	45.50±6.48
	University	87	43.86±8.13

Numbers in bold represent significant values (ANOVA and Kruskal-Wallis tests followed by multiple comparison tests after adjustment of alpha error).