Table 3

ANCOVA results for rating groups of binge eating and compensatory behaviours on measures of general eating and psychosocial problems 1

Variables

Binge eating without CB

(n = 726)

Binge eating with CB

(n = 133)

Purging CB

(n = 56)

Non-Purging CB

(n = 624)

NoS

(n = 4016)

ANCOVA


Mean (s.d.)

Mean (s.d.)

Mean (s.d.)

Mean (s.d.)

Mean (s.d.)

F (d.f. 4)


BMI

21.40(4.80)

21.78(2.83)

21.86(3.04)

22.03(2.77)

21.38(4.81)

5.26**

Appearance satisfaction

3.47(0.64)

3.29(0.75)

2.82(0.88)

3.37(0.69)

3.52(0.64)

16.98***

Anxiety symptoms

1.46(0.49)

1.64(0.58)

1.98(0.73)

1.53(0.51)

1.45(0.46)

14.29***

Depressive symptoms

1.78(0.59)

2.02(0.74)

2.36(0.74)

1.85(0.64)

1.74(0.59)

16.75***

Self-worth

2.56(0.33)

2.48(0.38)

2.54(0.47)

2.54(0.34)

2.57(0.32)

2.52*

Alcohol consumption

2.67(1.64)

2.77(1.63)

3.40(1.58)

2.86(1.63)

2.79(1.66)

5.60**

EAT-12

1.55(0.35)

1.88(0.44)

2.43(0.63)

1.85(0.41)

1.54(0.36)

184.67***

BITE-30

1.49(0.39)

1.65(0.52)

2.17(0.59)

1.71(0.43)

1.50(0.41)

61.79***

Relationship to parents:

Overprotection

2.03(0.58)

2.01(0.60)

2.09(0.69)

2.04(0.59)

2.01(0.57)

0.41ns

Care

3.09(0.56)

3.07(0.58)

2.72(0.67)

3.07(0.58)

3.08(0.57)

5.69**

Instability of self-concept

2.48(0.73)

2.69(0.74)

2.91(0.70)

2.65(0.70)

2.43(0.72)

16.06***

Social support

3.48(0.46)

3.49(0.51)

3.41(0.52)

3.47(0.48)

3.46(0.46)

0.56ns

Loneliness

1.81(0.56)

1.91(0.58)

2.17(0.69)

1.84(0.56)

1.83(0.56)

4.52*

Age (not controlled for covariates)

17.12(1.93)

16.91(1.91)

17.26(2.06)

16.92(2.01)

17.16(1.92)

2.63*


*p < .05, **p < .01, ***p < .001; ns non-significant, SD standard deviation, df degree of freedom, BMI body mass index, EAT-12 Eating Attitude Test, BITE Bulimic Investigatory Test, Edinburgh; BMI body mass index, EAT-12 Eating Attitude Test, CB compensatory behaviours; NoS - individuals who did not report either binge eating or compensatory behaviours

ANCOVA - Analysis of Covariance with age and gender as covariates

1Results are based on data from the first time point only (T1: 14-22 years of age)

Abebe et al. BMC Public Health 2012 12:32   doi:10.1186/1471-2458-12-32

Open Data