The association of body image distortion with weight control behaviors, diet behaviors, physical activity, sadness, and suicidal ideation among Korean high school students: a cross-sectional study

Table 6 Predictors of subjects with body image underestimation (n = 5,990) compared to subjects with correct body image estimation (n = 9,387)

Variables	Adjusted OR (95 % CI)	P-value
Year of high school
1^st year	1.00
2^nd year	0.83 (0.77, 0.89)***	<0.001
3^rd year	0.79 (0.73, 0.86)***	<0.001
Gender
Male	1.00
Female	0.23 (0.21, 0.25)***	<0.001
Socio-economic status
Low	1.00
Lower middle	1.07 (0.88, 1.30)	0.276
Middle	0.91 (0.77, 1.09)	0.445
Upper middle	1.07 (0.88, 1.29)	0.398
High	1.07 (0.86, 1.32)	0.399
Unhealthy weight control behaviors
No	1.00
Yes	0.50 (0.43, 0.59)***	<0.001
Feeling sad or despair
No	1.00
Yes	1.12 (1.03, 1.21)*	0.026
Suicidal ideation
No	1.00
Yes	1.12 (1.00, 1.25)*	0.015

Unhealthy weight control behaviors included 1) fasting (≥24 h), 2) taking non-prescription weight loss medication, 3) taking laxatives or diuretics, 4) vomiting, 5) eating a one-food diet, and 6) eating food substitute
Statistical analysis of weighted data with adjustment for complex survey design
* P < 0.05, ***P < 0.001 significantly different according to the logistic regression model

ISSN: 1471-2458