| Early menarche (N = 57) n (%) | Menarche ≥ 11 y. (N = 1 015) n (%) | OR (95%CI) | p value* |
---|---|---|---|---|
Familial environment | Â | Â | Â | Â |
Family structure | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
School results | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
Daily smoking | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   <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 | Â | Â | Â | Â |
   <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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
Self-reported BMI | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   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 | Â | Â | Â | Â |
   no | 16 (28.1) | 489 (48.3) | 1 | 0.005 |
   yes | 41 (71.9) | 524 (51.7) | 2.4 (1.3-4.4) |  |