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Table 3 Participant characteristics

From: The Mizan meta-memory and meta-concentration scale for students (MMSS): a test of its psychometric validity in a sample of university students

Characteristics

Mean ± SD/frequency

Age (yr)

20.97 ± 1.83

BMI (Kg/m2)

 Underweight

51 (13.3)

 Normal

253 (66.1)

 Over-weight

19 (5.0)

 Obese

9 (2.3)

 Unreported

51 (13.3)

Gender

 Male

261 (68.1)

 Female

103 (26.9)

 Unreported

19 (5.0)

Ethnicity

 Amhara

142 (37.1)

 Tigray

8 (2.1)

 Oromo

84 (21.9)

 Keffa

2 (0.5)

 Bench

3 (0.8)

 Others

49 (12.8)

 Unreported

95 (24.8)

Substance use

 Alcohol

  Yes

39 (10.2)

  No

339 (88.5)

  Unreported

5 (1.3)

 Khat

  Yes

38 (9.9)

  No

337 (88.0)

  Unreported

8 (2.1)

 Smoking

  Yes

22 (5.7)

  No

356 (93.0)

  Unreported

5 (1.3)

 Tea/Coffee

  Yes

343 (89.6)

  No

40 (10.4)

 Other beverages

  Yes

254 (66.1)

  No

99 (25.8)

  Unreported

30 (7.8)

ESS

6.9 ± 4.7

Presence of Chronic conditions

 No

215 (56.1)

 Yes

44 (11.5)

  Unreported

124 (32.4)

MMSS global score

30.71 ± 7.29

  1. SD standard deviation, ESS Epworth sleepiness scale
  2. Chronic health conditions like AIDS, Hepatitis-A, Hepatitis-B, Hypertension Diabetes Mellitus I/II, Tuberculosis, others
  3. MMSS Mizan meta-memory and meta-concentration scale for students