Table 3.

Factors associated with weight status misperception from multinomial logistic regression^a,b

Variables	Boys and girls		Boys		Girls
	Underestimate	Overestimate	Underestimate	Overestimate	Underestimate	Overestimate
	OR (95 % CI)	OR (95 % CI)	OR (95 % CI)	OR (95 % CI)	OR (95 % CI)	OR (95 % CI)
Gender
Boys (ref)
Girls	0.70 (0.49–0.98)*	1.47 (1.17–1.85)**
Age	0.93 (0.85–1.01)	1.02 (0.96–1.08)	0.98 (0.88–1.09)	0.91 (0.83–0.98)*	0.77 (0.65–0.90)**	1.14 (1.06–1.23)**
BMI	1.18 (1.12–1.24)***	1.05 (1.02–1.08)**	1.10 (1.03–1.17)**	1.07 (1.03–1.11)**	1.36 (1.23–1.50)***	1.02 (0.98–1.07)
Household income quartile
Lowest (ref)
Middle-low	1.04 (0.54–2.01)	0.82 (0.53–1.26)	1.06 (0.40–2.80)	0.61 (0.33–1.13)	0.89 (0.39–2.01)	1.06 (0.59–1.89)
Middle-high	0.77 (0.40–1.48)	0.83 (0.55–1.27)	0.93 (0.36–2.38)	0.74 (0.40–1.37)	0.47 (0.19–1.12)	0.97 (0.55–1.70)
Highest	0.85 (0.44–1.63)	0.83 (0.54–1.29)	0.94 (0.37–2.39)	0.79 (0.41–1.50)	0.59 (0.23–1.52)	0.95 (0.53–1.68)
Place of residence
Urban area (ref)
Rural area	1.25 (0.80–1.94)	0.76 (0.54–1.06)	1.02 (0.52–2.00)	1.08 (0.66–1.77)	1.48 (.78–2.81)	0.55 (0.35–0.86)**
Maternal obesity
No (ref)
Yes	1.16 (0.83–1.62)	1.09 (0.86–1.38)	1.16 (0.74–1.82)	1.22 (0.85–1.76)	1.05 (0.59–1.87)	1.03 (0.74–1.43)
Maternal educational level
≤ Middle school (ref)
High school	1.68 (1.00–2.82)	1.15 (0.85–1.57)	1.52 (0.80–2.88)	1.17 (0.73–1.88)	2.29 (1.05–5.01)*	1.19 (0.77–1.83)
≥ College	1.55 (0.87–2.77)	1.03 (0.71–1.49)	1.72 (0.86–3.42)	1.01 (0.58–1.77)	1.43 (.55–3.73)	1.06 (0.66–1.71)

*p < 0.05; **p < 0.01; ***p < 0.001

^aOdds ratio refers to the odds of incorrect perception of weight status (overestimate or underestimate)

^bGender was removed in the gender-stratified analysis