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Table 2 Means and standard deviations from the mixed between-within subjects ANOVA for Time 1, Time 2, and Time 3 (n = 403)

From: Adolescents’ health-related quality of life (HRQoL) changes over time: a three year longitudinal study

KIDSCREEN dimensions

Time 1 Mean (SD)

Time 2 Mean (SD)

Time 3 Mean (SD)

Physical Well-being

   

  Female

45.01 (7.08)a

45.21 (8.17)a

44.31 (7.78)a

  Male

48.59 (8.20)a

47.17 (8.77)a,b

48.93 (8.00)a

  Group 1

48.69 (7.50)d

47.44 (8.47)d

48.17 (8.07)d

  Group 2

44.91 (8.00)

44.89 (8.62)

45.06 (8.25)

  Group 3

43.93 (5.86)

44.78 (8.09)

43.36 (6.74)

Psychological Well-being

   

  Female

38.73 (4.90)a

38.41 (4.96)a

37.75 (4.60)a

  Male

39.97 (8.47)a

39.03 7.01)a

40.15 (7.17)a

  Group 1

39.94 (6.56)d

39.49 (6.44)d

39.52 (6.64)d

  Group 2

38.76 (7.43)

37.93 (5.75)

38.42 (5.50)

  Group 3

38.45 (3.61)

38.20 (3.73)

37.31 (4.25)

Autonomy and Parent Relations

   

  Female

47.90 (12.26)a

49.17 (14.06)a

47.49 (11.85)a,c

  Male

51.15 (12.26)a

52.03 (14.06)a

53.25 (13.58)a

  Group 1

50.26 (12.06)

51.79 (13.24)

52.39 (12.96)

  Group 2

48.99 (13.38)

49.81 (15.02)

48.57 (13.11)

  Group 3

47.07 (10.21)

47.57 (8.97)

46.43 (10.71)

Social Support and Peers

   

  Female

52.78 (10.11)

52.86 (11.14)

50.91 (10.50)c

  Male

52.06 (12.04)

50.96 (13.34)

50.55 (13.20)

  Group 1

53.49 (11.25)d

53.09 (11.87)d

52.71 (11.28)d

  Group 2

51.60 (11.13)

51.05 (12.97)

48.59 (12.45)

  Group 3

51.47 (9.09)

51.26 (10.22)

50.57 (9.65)

School Environment

   

  Female

50.36 (10.70)

52.08 (10.56)

49.37 (11.05)c

  Male

51.61 (11.50)

51.36 (12.40)

51.07 (12.80)

  Group 1

52.93 (11.14)4

52.79 (11.06)d

52.32 (11.87)d

  Group 2

48.74 (10.49)

50.67 (12.24)

47.57 (12.24)

  Group 3

50.13 (11.37)

51.32 (9.41)

49.91 (8.42)

  1. aSignificant main effect for gender
  2. b Significantly lower scores at Time 2 compared to Time 3
  3. c Significantly lower scores at Time 3 compared to Time 2
  4. dSignificant main effect for grade/age