Table 2.

Factors associated to early menarche in 956 girls aged 15 years. Multivariable logistic regression analysis.

		Adjusted OR (95%CI)	p-value
Life drunkenness episodes	≥ 2	2.5 (1.3-4.6)	0.006
Sexual initiation	< 15 years	2.8 (1.3-6.0)	0.007
BMI	overweight or obese	7.3 (3.6-14.9)	< 0.001

Abbreviations: FAS = Family Affluence Scale; BMI = Body Mass Index; OR = Odds Ratio; CI = Confidence Interval

All analysis took into account the sampling strategy and controlled for familial environment (family structure, parental employment, FAS).