Table 2 The reproducibility of self-reported age at menarche according to age in Tromsø 4 among 6731 women participating in Tromsø 3 (1986–87) and Tromsø 4 (1994–95). The percentages of the women who reported age at menarche at the same age, or with a difference of one, two or more than 2 years. The Tromsø Study
From: The reproducibility of self-reported age at menarche: The Tromsø Study
Age (Tromsø 4) | Difference in age (years) at menarche reported in Tromsø 3 and Tromsø 4 | ||||
|---|---|---|---|---|---|
0 years | 1 years | 2 years | > 2 years | Total | |
25–34 | 58.9 | 34.3 | 6.0 | 0.9 | 100 |
34–44 | 61.9 | 32.7 | 4.9 | 0.6 | 100 |
45–54 | 63.6 | 31.2 | 4.4 | 0.8 | 100 |
55–73 | 63.8 | 31.7 | 3.8 | 0.8 | 100 |
Total | 62.4 | 32.3 | 4.7 | 0.7 | 100 |