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. 2021 Aug 3;19:193. doi: 10.1186/s12955-021-01830-9

Table 2.

Descriptive characteristics of the participants

Characteristics Total
n (%)
School stages
Grades 1–3
n (%)
Grades 4–6
n (%)
Grades 7–9
n (%)
Sample 473 (100) 168 (35) 146 (31) 159 (34)
Sex
 Girls 249 (54) 90 (54) 75 (53) 84 (54)
 Boys 216 (46) 78 (46) 66 (47) 72 (46)
Children’s country of birth
 Not Sweden 37 (8) 15 (9) 12 (8) 10 (6)
 Sweden 436 (92) 153 (91) 134 (92) 149 (94)
Parents’ country of birth
 None Sweden 61 (13) 26 (15) 20 (14) 15 (9)
 One Sweden 49 (10) 20 (12) 20 (14) 9 (6)
 Both Sweden 363 (77) 122 (73) 106 (72) 135 (85)
Custody arrangement
 Not living with both parents 86 (19) 19 (13) 33 (23) 34 (22)
 Living with both parents 366 (81) 130 (87) 112 (77) 124 (78)
Family affluence1
 Low (< 25percentile) 69 (16) 24 (18) 23 (16) 22 (14)
 Middle (25-75percentile) 288 (66) 86 (62) 95 (67) 107 (69)
 High (> 75percentile) 79 (18) 28 (20) 24 (17) 27 (17)
General health2
 Not good 64 (15) 14 (12) 16 (11) 34 (22)
 Good 78 (19) 16 (14) 26 (19) 36 (23)
 Very good 270 (66) 86 (74) 99 (70) 85 (55)
Long-term illness/disability
 Yes 218 (47) 59 (36) 70 (49) 89 (58)
 No 243 (53) 107 (64) 72 (51) 64 (42)
Mean (SD)
Median (IQR)
Mean (SD)
Median (IQR)
Mean (SD)
Median (IQR)
Mean (SD)
Median (IQR)
Health related quality of life
 KIDSCREEN-103

41.17 (6.10)

42.00 (38.00–46.00)

41.91 (5.44)

42.00 (38.00–46.00)

42.27 (5.89)

43.00 (39.00–47.00)

39.59 (6.45)

40.00 (36.00–45.00)

 CHU9D (child algorithm)3

0.74 (0.21)

0.79 (0.59–0.91)

0.80 (0.18)

0.86 (0.70–0.95)

0.75 (0.20)

0.79 (0.62–0.89)

0.65 (0.23)

0.66 (0.49–0.85)

 CHU9D (adult algorithm)3

0.85 (0.11)

0.87 (0.78–0.93)

0.88 (0.10)

0.91 (0.83–0.95)

0.86 (0.10)

0.88 (0.80–0.93)

0.81 (0.11)

0.82 (0.75–0.90)

 PedsQL3
 Total score

82.12 (12.94)

84.78 (75.00–92.39)

81.21 (13.74)

83.70 (72.83–91.30)

85.35 (10.57)

88.04 (79.55–94.57)

80.10 (13.57)

81.52 (71.74–89.13)

 Physical health

84.85 (13.52)

87.50 (78.12–93.75)

83.62 (14.86)

87.50 (75.00–96.87)

87.42 (11.20)

90.63 (81.25–96.88)

83.76 (13.73)

87.50 (78.13–93.75)

 Psychosocial health

80.64 (14.33)

83.33 (73.33–91.67)

79.94 (14.99)

81.67 (71.67–91.67)

84.21 (11.82)

86.67 (76.67–93.33)

78.09 (15.13)

80.00 (71.67–90.00)

 Emotional functioning

75.66 (19.03)

80.00 (65.00–90.00)

76.94 (17.54)

80.00 (65.00–90.00)

78.24 (18.32)

80.00 (65.00–90.00)

71.93 (20.66)

75.00 (60.00–90.00)

 Social functioning

88.06 (14.74)

95.00 (80.00–100.0)

83.60 (17.33)

87.50 (75.00–95.00)

92.10 (10.17)

95.00 (85.00–100.0)

89.03 (14.16)

95.00 (85.00–100.0)

 School functioning

78.31 (16.46)

80.00 (70.00–90.00)

79.34 (15.95)

80.00 (70.00–90.00)

82.45 (13.44)

85.00 (75.00–90.00)

73.44 (18.27)

75.00 (65.00–85.00)

IQR inter quartile range, SD standard deviation

1Low (< 25 percentile) = 2–7 points, Middle (25–75 percentile) = 8–10 points; High (> 75 percentile) = scores 11–13 points on the 0–13-point Family Affluence Scale

2Information on general health was only collected in grades 2–9

3Higher score means higher health related quality of life