Skip to main content

Table 1 Factors associated to early menarche in 1 072 girls aged 15 years. Univariate analysis.

From: Factors associated with early menarche: results from the French Health Behaviour in School-aged Children (HBSC) study

  Early menarche
(N = 57)
n (%)
Menarche ≥ 11 y.
(N = 1 015)
n (%)
OR (95%CI) p value*
Familial environment     
Family structure     
   traditional 31 (54.4) 739 (72.9) 1 0.004
   other family structure 26 (45.6) 275 (27.1) 2.3 (1.3-3.9)  
Parental employment     
   at least one parent working 54 (94.7) 937 (92.9) 1 0.590
   none 3 (5.3) 72 (7.1) 1.4 (0.4-4.5)  
FAS     
   medium to high 43 (76.8) 881 (87.4) 1 0.026
   low 13 (23.2) 127 (12.6) 2.1 (1.1-4.0)  
School experience     
School results     
   average to higher 42 (73.7) 815 (80.6) 1 0.186
   below average 15 (26.3) 196 (19.4) 1.5 (0.8-2.7)  
Liking school     
   yes 32 (58.2) 605 (59.8) 1 0.812
   no 23 (41.8) 407 (40.2) 1.1 (0.6-1.9)  
Peers acceptance     
   high 33 (57.9) 754 (74.7) 1 0.008
   low 24 (42.1) 255 (25.3) 2.2 (1.2-3.8)  
Risk behaviours     
Daily smoking     
   no 39 (76.5) 816 (84.0) 1 0.139
   yes 12 (23.5) 155 (16.0) 1.6 (0.9-3.1)  
Life drunkenness episodes     
   <2 35 (63.6) 810 (82.4) 1 0.001
   ≥2 20 (36.4) 173 (17.6) 2.7 (1.5-4.6)  
Life cannabis use     
   <3 episodes 44 (78.6) 852 (86.5) 1 0.108
   ≥3 episodes 12 (21.4) 133 (13.5) 1.8 (0.9-3.5)  
Sexual initiation <15 years     
   no or not yet 37 (71.1) 856 (88.9) 1 0.001
   yes 15 (28.9) 107 (11.1) 3.2 (1.7-6.3)  
Physical and psychological factors     
Self-reported BMI     
   normal or thin 39 (70.9) 911 (93.0) 1 <0.001
   overweight or obese 16 (29.1) 68 (7.0) 5.5 (2.9-10.6)  
Body image     
   normal or thin 21 (36.8) 579 (57.1) 1 0.004
   overweight or obese 36 (63.2) 435 (42.9) 2.3 (1.3-4.0)  
Diet use     
   no 39 (68.4) 825 (82.1) 1 0.023
   yes 18 (31.6) 180 (17.9) 2.1 (1.1-4.0)  
Self-rated health     
   good 37 (64.9) 807 (79.8) 1 0.011
   bad 20 (35.1) 204 (20.2) 2.1 (1.2-3.8)  
Life assessment     
   high 39 (68.4) 781 (77.4) 1 0.137
   low 18 (31.6) 228 (22.6) 1.6 (0.9-2.9)  
Recurrent health complaints     
   no 16 (28.1) 489 (48.3) 1 0.005
   yes 41 (71.9) 524 (51.7) 2.4 (1.3-4.4)  
  1. Abbreviations: FAS = Family Affluence Scale; BMI = Body Mass Index; OR = Odds Ratio; CI = Confidence Interval
  2. 2-test or Fisher's exact test where necessary
  3. All analysis took into account the sampling strategy