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Table 1 Descriptive statistics of possible influencing factors of GPA in first year university students (%, Mean ± SD, n = 101), subdivided into students who passed (n = 52), failed (n = 22) or did not attend all final course exams (n = 27)

From: Erratum to: weight, socio-demographics, and health behaviour related correlates of academic performance in first year university students

Measures

All n = 74

Passed n = 52

Failed n = 22

Did not attend all course exams n = 27

GPA (%)

64.3 ± 9.2

68.3 ± 6.9

54.7 ± 6.2

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Demographics

    

Gender (% of females)

77.0

82.7

63.6

40.7

Age (yrs)

18.0 ± 0.6

17.9 ± 0.5

18.1 ± 0.8

18.3 ± 0.9

Ethnicity (% of students of which one of the parents is from foreign origin)

20.9

23.3

15.4

20.0

Residency (% living in student residence)

47.3

48.1

45.5

25.9

GPA in the last year of secondary school (%)

68.6 ± 7.5

70.0 ± 6.9

65.0 ± 8.0

63.6 ± 6.3

Socio-Economic Status (SES) c

    

Education father (% diploma higher education)

57.2

48.3

77.0

46.7

Education mother (% diploma higher education)

69.0

70.0

66.6

60.0

Smoking (% non-smokers)

95.9

96.2

95.5

96.2

Dieting status (% dieters) b

11.0

9.8

13.6

11.5

Anthropometrics

    

Initial weight (kg)

61.8 ± 9.3

61.0 ± 8.0

63.5 ± 12.0

66.7 ± 14.0

Initial BMI (kg/m2)

21.7 ± 2.7

21.5 ± 2.5

22.0 ± 3.1

22.1 ± 3.3

Initial fat% (%)

22.5 ± 7.1

22.8 ± 7.4

21.9 ± 6.7

19.2 ± 6.5

Initial WC (cm)

70.4 ± 6.4

69.6 ± 5.6

72.3 ± 7.9

73.5 ± 8.0

Weight change (kg)

0.7 ± 2.0

0.4 ± 1.9

1.6 ± 1.8

1.6 ± 2.2

BMI change (kg/m2)

0.3 ± 0.8

0.1 ± 0.8

0.5 ± 0.7

0.4 ± 0.8

Fat% change (%)

1.0 ± 2.4

0.7 ± 2.5

1.5 ± 2.0

0.5 ± 2.8

WC change (cm)

-0.0 ± 2.3

-0.5 ± 2.3

1.0 ± 2.1

1.2 ± 2.2

Physical activity d

    

Active transportation (walking and cycling) (min/week)

179.7 ± 123.5

175.7 ± 119.5

189.5 ± 135.3

193.5 ± 118.4

Sport participation (min/week)

146.1 ± 180.1

152.7 ± 180.4

130.7 ± 182.9

117.4 ± 161.0

Total physical activity (min/week)

324.8 ± 211.7

326.8 ± 220.3

320.2 ± 195.4

310.8 ± 222.8

Sedentary behaviour a

    

TV/DVD watching on weekdays (hours/day)

1.2 ± 0.8

1.2 ± 0.8

1.1 ± 0.8

1.2 ± 0.8

TV/DVD watching on weekend days (hours/day)

2.1 ± 1.1

2.1 ± 1.2

1.9 ± 1.0

2.2 ± 1.3

Reading and studying on weekdays (hours/day)

1.8 ± 1.1

1.8 ± 1.2

1.9 ± 0.8

1.9 ± 1.1

Reading and studying on weekend days (hours/day)

2.9 ± 1.5

2.8 ± 1.6

3.1 ± 1.5

2.8 ± 1.5

Computer activities on week days (hours/day)

1.7 ± 1.3

1.7 ± 1.4

1.7 ± 1.2

1.9 ± 1.2

Computer activities on weekend days (hours/day)

1.9 ± 1.2

1.8 ± 1.3

2.1 ± 1.0

2.3 ± 1.5

Video games on weekdays (hours/day)

0.2 ± 0.6

0.1 ± 0.4

0.4 ± 0.9

0.3 ± 1.0

Video games on weekend days (hours/day)

0.4 ± 1.0

0.3 ± 0.9

0.5 ± 1.2

0.6 ± 1.1

Eating habits

    

Eating breakfast (#/week)a

5.7 ± 2.2

5.5 2.3

6.0 ± 2.0

5.8 ± 2.3

Eating lunch (#/week)a

6.6 ± 1.2

6.5 ± 1.3

6.6 ± 1.0

6.7 ± 0.9

Eating dinner (#/week)a

6.7 ± 0.9

6.7 ± 0.7

6.6 ± 1.3

6.8 ± 0.5

Eating at home with parents (#/week)a

3.8 ± 2.1

3.6 ± 2.1

4.1 ± 2.1

4.6 ± 2.1

Eating at student restaurant (#/week)a

1.2 ± 1.5

1.0 ± 1.1

1.8 ± 2.1

1.8 ± 1.9

Eating at fast food restaurant (#/week)a

0.3 ± 0.4

0.3 ± 0.4

0.3 ± 0.3

0.4 ± 0.3

Eating at other kind of restaurant (#/week)a

0.3 ± 0.3

0.3 ± 0.3

0.3 ± 0.3

0.4 ± 0.3

Eating at a friend’s place (#/week)a

0.4 ± 0.5

0.4 ± 0.4

0.4 ± 0.6

0.5 ± 0.5

Fruit consumption (#/day)b

1.0 ± 1.0

1.0 ± 1.1

0.9 ± 0.6

1.0 ± 1.1

Vegetable consumption (#/day)b

1.2 ± 0.7

1.2 ± 0.7

1.2 ± 0.6

1.3 ± 1.0

Soda consumption (#/day)b

0.8 ± 1.1

0.6 ± 0.9

1.2 ± 1.3

1.2 ± 1.3

French fries consumption (#/week)b

0.1 ± 0.1

0.1 ± 0.1

0.1 ± 0.1

0.1 ± 0.1

Fast food consumption (#/week)b

0.7 ± 0.9

0.7 ± 0.9

0.8 ± 0.9

0.9 ± 0.9

Alcohol

    

Frequency of alcohol use (#/week)b

0.8 ± 1.5

0.6 ± 1.0

1.3 ± 2.4

0.8 ± 1.3

Frequency of alcohol consumptions (# on drinking days)c

2.7 ± 2.0

2.6 ± 1.9

2.9 ± 2.2

3.1 ± 3.0

Sleeping habits c

    

Hours of sleep on weekdays (hours/day)

7.8 ± 1.0

7.8 ± 1.0

7.9 ± 1.1

7.6 ± 0.9

Hours of sleep on weekend days (hours/day)

9.4 ± 1.2

9.4 ± 1.2

9.3 ± 1.3

9.2 ± 1.2

Stress

    

Mental stress (PSS score*)e

13.6 ± 5.9

13.5 ± 6.0

13.8 ± 5.8

14.4 ± 6.5