Table 3 General characteristics of study population

Age, years (SD)

18.6 (1.7)

19.2 (1.8)

.043

18.8 (1.8)

Academic achievement, scale 0 to 100 (SD)

34.7 (8.6)

36.1 (9.7)

.321

35.2 (9.0)

Satisfaction to lessons, scale 0 to 100 (SD)

62.4 (17.0)

56.1 (14.3)

.013

60.2 (16.3)

Engagement dimensions, scale 0 to 100 (SD)

Vigor

57.3 (14.8)

56.1 (12.8)

.575

56.9 (14.1)

Dedication

83.7 (15.3)

80.8 (13.3)

.213

82.7 (14.6)

Absorption

65.2 (18.3)

63.5 (17.8)

.551

64.6 (18.1)