Is waist-to-height ratio the best predictive indicator of hypertension incidence? A cohort study

BMC Public Health

Table 4 Area under the receiver operating characteristic (ROC) curve (AUC) and 95% confidence interval for the prediction of hypertension according to anthropometric measurements obtained at baseline (2002) by age group in men and women

Age group	Number	AUC (95% CI)			p for all*	p for comparison in pairs*
Age group	Number	BMI	WC	WHtR	p for all*	BMI vs.WC	BMI vs. WHtR	WC vs. WHtR
Men
< 40	86	0.56 (0.43–0.69)	0.62 (0.49–0.74)	0.59 (0.46–0.72)	0.358	0.348	0.575	0.170
≥ 40	66	0.57 (0.42–0.73)	0.54 (0.39–0.68)	0.50 (0.34–0.64)	0.158	0.648	0.294	0.091
Total	152	0.53 (0.44–0.63)	0.59 (0.49–0.68)	0.57 (0.48–0.66)	0.305	0.232	0.422	0.219
Women
< 40	197	0.63 (0.54–0.73)	0.65 (0.56–0.73)	0.62 (0.53–0.71)	0.214	0.682	0.555	0.080
≥ 40	122	0.61 (0.50–0.71)	0.64 (0.53–0.75)	0.65 (0.55–0.75)	0.553	0.352	0.276	0.567
Total	319	0.64 (0.58–0.71)	0.68 (0.62–0.74)	0.69 (0.63–0.75)	0.130	0.057	0.045	0.780
Total sample	471	0.62 (0.57–0.67)	0.66 (0.61–0.71)	0.64 (0.59–0.69)	0.125	0.064	0.271	0.225

AUC Area under the curve, CI Confidence interval, BMI Body mass index, WC Waist circumference, WHtR Waist-to-height ratio, vs. versus. *p Value of difference between AUC (p < 0.05)
Firminópolis, Brazil (2002–2015)

ISSN: 1471-2458