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. 2019 May 21;15:1329–1341. doi: 10.2147/NDT.S199927

Table 1.

Sociodemographic features in clinical and control groups

Socio-demographic variables Long-term ED Short-term ED Senior control Junior control Significant differences
(n=41) (n=41) (n=33) (n=33) Student t test
c1/c2
Agea M (SD) 30.80 (6.22) 20.51 (4.82) 31.03 (3.41) 21.00 (2.44) −0.20/-0.56
Years of educationa M (SD) 14.31 (3.01) 12.56 (2.59) 14.48 (3.15) 12.60 (2.14) 0.82/-0.08
Among groups
Level of studies N (%) N (%) N (%) N (%) X2
Primary or secondaryb 1 (29) 26 (63) 9 (26) 15 (46) 10.65*d
Secondary non-universityb 12 (29) 8 (20) 10 (29) 13 (40) 1.37
Universityb 14 (34) 6 (15) 12 (35) 5 (14) 6.35
Post graduatec 3 (8) 1 (2) 2 (6) 0 (0) 1.00

Notes: aStudent t test; bChi squared test; cFisher’s Exact test; dST-ED>LT-ED and SC; *p<0.05.

Abbreviations: ED, eating disorder; ST-ED, short-term eating disorder; LT-ED, long-term eating disorder; SC, senior control; JC, junior control; c1, comparison LT-ED vs SC; c2, comparison ST-ED vs JC.