Table 3

Summary statistics of categorical outcomes by group at each time point.

AIS (n = 26)Without scoliosis (n = 1139)
Age 14 yAge 17 yAge 20 yAge 14 yAge 17 yAge 20 y
ParentChildParentChildParentChildParentChildParentChildParentChild
Eating disorder diagnosis (reported by clinician) (%)Yes4.4
N = 1
p = 1.0
0
N = 0
p = 1.0
0
N = 0
p = .62
5.3
N = 45
3.4
N = 30
5.3
N = 50
No95.6
N = 22
100
N = 22
100
N = 19
94.7
N = 802
96.6
N = 861
94.7
N = 887
Eating disorder diagnosis (questionnaire) (%)Yes4.8
N = 1
p = 1.0
19.0
N = 4
p = .12
25.0
N = 5
p = .07*
4.9
N = 49
8.9
N = 77
11.1
N = 105
No95.2
N = 20
81.0
N = 17
75.0
N = 15
95.1
N = 928
91.1
N = 793
88.9
N = 844
AIS (n = 26)Without scoliosis (n = 1139)
Age 14 yAge 17 yAge 20 yAge 14 yAge 17 yAge 20 y
ParentChildParentChildParentChildParentChildParentChildParentChild
Eating disorder diagnosis (reported by clinician) (%)Yes4.4
N = 1
p = 1.0
0
N = 0
p = 1.0
0
N = 0
p = .62
5.3
N = 45
3.4
N = 30
5.3
N = 50
No95.6
N = 22
100
N = 22
100
N = 19
94.7
N = 802
96.6
N = 861
94.7
N = 887
Eating disorder diagnosis (questionnaire) (%)Yes4.8
N = 1
p = 1.0
19.0
N = 4
p = .12
25.0
N = 5
p = .07*
4.9
N = 49
8.9
N = 77
11.1
N = 105
No95.2
N = 20
81.0
N = 17
75.0
N = 15
95.1
N = 928
91.1
N = 793
88.9
N = 844

Abbreviations: AIS, adolescent idiopathic scoliosis; N, number of outcomes available.

The percentage of participants with an eating disorder diagnosis via report and questionnaire in those AIS and without scoliosis are shown. Eating disorder diagnosis was not assessed before 14 years of age; p values reported are between-group comparisons at each time point. *p < .1.

Table 3

Summary statistics of categorical outcomes by group at each time point.

AIS (n = 26)Without scoliosis (n = 1139)
Age 14 yAge 17 yAge 20 yAge 14 yAge 17 yAge 20 y
ParentChildParentChildParentChildParentChildParentChildParentChild
Eating disorder diagnosis (reported by clinician) (%)Yes4.4
N = 1
p = 1.0
0
N = 0
p = 1.0
0
N = 0
p = .62
5.3
N = 45
3.4
N = 30
5.3
N = 50
No95.6
N = 22
100
N = 22
100
N = 19
94.7
N = 802
96.6
N = 861
94.7
N = 887
Eating disorder diagnosis (questionnaire) (%)Yes4.8
N = 1
p = 1.0
19.0
N = 4
p = .12
25.0
N = 5
p = .07*
4.9
N = 49
8.9
N = 77
11.1
N = 105
No95.2
N = 20
81.0
N = 17
75.0
N = 15
95.1
N = 928
91.1
N = 793
88.9
N = 844
AIS (n = 26)Without scoliosis (n = 1139)
Age 14 yAge 17 yAge 20 yAge 14 yAge 17 yAge 20 y
ParentChildParentChildParentChildParentChildParentChildParentChild
Eating disorder diagnosis (reported by clinician) (%)Yes4.4
N = 1
p = 1.0
0
N = 0
p = 1.0
0
N = 0
p = .62
5.3
N = 45
3.4
N = 30
5.3
N = 50
No95.6
N = 22
100
N = 22
100
N = 19
94.7
N = 802
96.6
N = 861
94.7
N = 887
Eating disorder diagnosis (questionnaire) (%)Yes4.8
N = 1
p = 1.0
19.0
N = 4
p = .12
25.0
N = 5
p = .07*
4.9
N = 49
8.9
N = 77
11.1
N = 105
No95.2
N = 20
81.0
N = 17
75.0
N = 15
95.1
N = 928
91.1
N = 793
88.9
N = 844

Abbreviations: AIS, adolescent idiopathic scoliosis; N, number of outcomes available.

The percentage of participants with an eating disorder diagnosis via report and questionnaire in those AIS and without scoliosis are shown. Eating disorder diagnosis was not assessed before 14 years of age; p values reported are between-group comparisons at each time point. *p < .1.

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