Weight misperception and substance use: Brazilian Study of Cardiovascular Risks in Adolescents (ERICA)

BMC Public Health

Table 2 Weight misperception and substance use, by age group, in adolescents from ERICA study, Brazil, 2013–2014

		12–14 years				15–17 years
		Crude		Adjusted ^a		Crude		Adjusted ^a
		PR ^b(95% CI)	P-value	PR ^b (95% CI)	P-value	PR ^b(95% CI)	P-value	PR^b (95% CI)	P-value
Weight underestimation
	Having tried cigarette smoking	1.19 (1.04–1.36)	0.013	1.18 (1.03–1.35)	0.020	1.22 (1.13–1.32)	< 0.001	1.24 (1.14–1.35)	< 0.001
Outcomes	Current smoking	1.18 (0.86–1.62)	0.313	*	*	1.08 (0.89–1.31)	0.452	*	*
	Current alcohol consumption	1.32 (1.14–1.53)	< 0.001	1.33 (1.14–1.56)	< 0.001	1.05 (0.96–1.15)	0.271	*	*
	Current binge drinking	1.99 (1.18–3.35)	0.009	1.96 (1.14–3.36)	0.015	1.08 (0.88–1.32)	0.456	*	*
	Current smoking and alcohol³	1.44 (1.00–2.07)	0.050	1.49 (1.05–2.11)	0.027	1.05 (0.83–1.33)	0.666	*	*
Weight overestimation
	Having tried cigarette smoking	1.39 (1.13–1.71)	0.002	1.43 (1.14–1.80)	0.002	1.04 (0.92–1.18)	0.499	*	*
Outcomes	Current smoking	1.60 (0.94–2.73)	0.086	1.74 (0.95–3.19)	0.075	1.11 (0.89–1.39)	0.359	*	*
	Current alcohol consumption	1.37 (1.18–1.59)	< 0.001	1.33 (1.12–1.58)	0.001	1.17 (1.05–1.30)	0.004	1.15 (1.04–1.27)	0.008
	Current binge drinking	2.08 (1.27–3.38)	0.003	2.01 (1.30–3.10)	0.002	1.01 (0.82–1.25)	0.899	*	*
	Current smoking and alcohol^c	1.78 (0.87–3.64)	0.113	1.88 (0.79–4.48)	0.153	1.30 (0.98–1.72)	0.067	1.30 (0.97–1.76)	0.083

Significant differences in adjusted prevalence ratios were shown in bold. ^aAdjusted by macro-region, sex, type of school and screen time. ^b Prevalence ratio. ^cThis sample was composed only by adolescents who had current smoking and alcohol consumption and those who had not consumed both these substances in the last 30 days. *The P-value in crude analysis was ≥0.20

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