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. 2021 May 26;11:10964. doi: 10.1038/s41598-021-90566-z

Table 4.

Mean scores for the MIDAS, HADS-D, HADS-A, HADS total and OBC in different education level groups (SD – standard deviation).

MIDAS HADS-D HADS-A HADS total OBC
Mean SD Mean SD Mean SD Mean SD Mean SD

HigherI

(n = 290)

17.52 37.19 7.54 3.86 10.92 4.44 18.46 7.43 21.41 9.85

CollegeII

(n = 520)

19.07 36.28 8.01 4.12 11.81 4.53 19.82 7.77 23.21 10.11

High schoolIII

(n = 319)

26.12 52.74 8.61 4.34 12.49 4.65 21.09 8.26 24.94 10.90
Sig./pairwise comparisons n/a

I vs II: p = .35

I vs III: p = .005

II vs III: p = .16

I vs II: p = .048

I vs III: p = .0001

II vs III: p = .14

I vs II: p = .09

I vs III: p = .0002

II vs III: p = .10

I vs II: p = .09

I vs III: p = .0001

II vs III: p = .09

Total (n = 1129) 20.67 41.91 8.06 4.13 11.77 4.57 19.83 7.88 23.24 10.35

SD—standard deviation, MIDAS—Migraine Disability Assessment, HADS—Hospital Anxiety and Depression Scale, OBC—Oral Behaviors Checklist, sig.—p value for the statistical significance of the analyzed differences, n/a—not applicable since the analysis indicated no statistically significant differences (see main text for details).