Table 3. Subgroup analysis of the association between BSM and UEB by sex.

Variables		UEB
		Boys			Girls
		AOR	95% CI	P-value	AOR	95% CI	P-value
BSM
	Accurate estimation	1.00			1.00
	Underestimation	1.16	1.08–1.26	0.000	1.19	1.09–1.30	0.001
	Overestimation	1.07	0.98–1.17	0.135	1.03	0.95–1.10	0.511
BMI
	Normal	1.00			1.00
	Underweight	0.99	0.88–1.11	0.829	1.07	0.96–1.20	0.211
	Overweight	0.91	0.85–0.97	0.005	0.96	0.89–1.04	0.323
Age
	12	1.00			1.00
	13	1.02	0.90–1.16	0.771	1.06	0.93–1.22	0.373
	14	1.04	0.87–1.24	0.674	1.19	0.98–1.45	0.084
	15	1.08	0.87–1.35	0.479	1.36	1.07–1.74	0.014
	16	0.92	0.71–1.19	0.539	1.50	1.13–1.98	0.005
	17	1.05	0.79–1.39	0.748	1.52	1.10–2.11	0.011
	18	0.97	0.71–1.32	0.845	1.51	1.07–2.14	0.019
Grade
	7	1.00			1.00
	8	1.28	1.11–1.48	0.001	1.03	0.90–1.18	0.691
	9	1.42	1.17–1.73	0.001	0.92	0.75–1.12	0.390
	10	1.45	1.14–1.84	0.002	0.91	0.71–1.17	0.472
	11	1.37	1.05–1.79	0.022	0.82	0.62–1.09	0.178
	12	1.35	1.02–1.79	0.038	0.85	0.62–1.18	0.333
Residential area
	Rural	1.00			1.00
	Urban	1.01	0.86–1.20	0.867	1.23	1.07–1.41	0.004
	Metropolitan	1.00	0.85–1.18	0.982	1.25	1.09–1.43	0.002
Household economic status
	High	1.00			1.00
	Middle	0.88	0.79–0.96	0.007	1.02	0.94–1.12	0.614
	Low	0.96	0.90–1.02	0.162	1.05	0.99–1.12	0.114
Current smoking
	No	1.00			1.00
	Yes	1.67	1.47–1.89	< 0.001	1.59	1.26–2.01	0.000
Current alcohol consumption
	No	1.00			1.00
	Yes	1.51	1.37–1.66	< 0.001	1.45	1.32–1.61	< 0.001
Stress status
	None	1.00			1.00
	Low	1.27	1.13–1.42	< 0.001	1.39	1.13–1.71	0.002
	High	1.50	1.33–1.70	< 0.001	1.78	1.45–2.20	< 0.001
Depression
	No	1.00			1.00
	Yes	1.28	1.18–1.38	< 0.001	1.29	1.21–1.38	< 0.001
Weight control attempt
	No	1.00			1.00
	Yes	0.90	0.85–0.96	0.001	0.88	0.83–0.93	< 0.001

UEB, unhealthy eating behaviors; BSM, body shape misperception; BMI, body mass index; AOR, adjusted odds ratio; CI, confidence interval.