Skip to main content

Table 2 Univariate associations between demographic and clinical correlates and First Australian (FA) and eating disorder (ED) status, and their interaction

From: Prevalence, features and health impacts of eating disorders amongst First-Australian Yiramarang (adolescents) and in comparison with other Australian adolescents

 

First Australian

Other Australian

 

ED

No ED

ED

No ED

 

Main Effect

FA Status

Main Effect

ED Status

Interaction Effect

M (SD)

df

F,ηp2, p

Age

15.0 (1.3)

14.4 (1.5)

15.2 (1.4)

14.7 (1.4)

1, 4045

7.35, .007, .002

25.40, .006, < .001

.19, .66, < .001

Socioeconomic status

975.0 (42.4)

965.1 (42.1)

987.4 (40.9)

988.3 (42.3)

1, 3984

40.11, < .001, .010

2.53, .001, .112

3.64, .057, .001

BMI percentile

69.2 (27.6)

55.7 (31.7)

61.6 (29.7)

50.7 (30.7)

1, 4045

9.95, .002, .002

36.69, .009, < .001

.41, .521, < .001

Weight and Shape Concerns

4.0 (1.8)

0.9 (1.2)

4.0 (1.6)

1.0 (1.2)

1, 4045

.60, .440, < .001

1235.15, .234, < .001

.02, .893, < .001

Psychosocial quality of life impairment

55.7 (27.2)

79.8 (20.4)

58.5 (25.2)

82.3 (19.0)

1, 3972

3.65, .056, .001

295.51, .069, < .001

.02, .896, < .001

Physical quality of life impairment

72.6 (25.6)

85.4 (22.9)

77.6 (23.4)

89.0 (15.5)

1, 3972

12.63, < .001, .003

101.16, .025, < .001

.35, .555, < .001

 

n (%)

 

OR (95% CI)

FA adolescent

OR (95% CI)

Current ED

β (s.e.), p

Female Sex

59 (67.8)

84 (38.5)

593 (73.3)

1329 (45.5)

 

1.32 (0.81, 2.81)

3.30 (2.77, 3.93)

0.01 (0.29), .965

Objective binge eating

27 (31.0)

11 (5.0)

273 (33.7)

147 (5.0)

 

1.00 (0.54, 1.88)

9.54 (7.67, 11.87)

−0.12 (0.40), .766

Fasting

24 (27.6)

13 (6.0)

249 (30.9)

129 (4.4)

 

1.38 (0.77, 2.49)

9.68 (7.70, 12.17)

−0.47 (0.39), .225

Self-induced vomiting

15 (17.4)

5 (2.3)

90 (11.1)

25 (0.9)

 

2.88 (1.09, 7.61)

15.00 (9.51, 23.67)

−0.49 (0.58), .394

Laxative use

6 (7.0)

4 (1.8)

45 (5.6)

22 (0.8)

 

2.62 (0.89, 7.70)

7.80 (4.62, 13.17)

−0.72 (0.71), .311

Driven exercise

8 (9.2)

7 (3.2)

123 (15.2)

95 (3.2)

 

1.01 (0.46, 2.21)

5.40 (4.08, 7.13)

−0.61 (0.55), .266

  1. Note. Socioeconomic status measured by SEIFA score; weight and shape concerns measured with the Eating Disorder Examination Questionnaire combined Weight and Shape Concern subscales score; quality of life impairment measured with the Pediatric Quality of Life Scale; objective binge eating, fasting, self-induced vomiting and laxative use defined as > 4 episodes in the past 28 days; driven exercise defined as > 20 episodes in the past 28 days. BMI body mass index
Back to article page