Table 2 Estimated age at menarche and percentage change over 5 years among women born from 1925 to 1962 in the different Autonomous Communities of Spain** (N = 107027)
From: Decline in age at menarche among Spanish women born from 1925 to 1962
Autonomous Community | Age at menarche First 5-year birth cohort (1925-1929) | Age at menarche Last 5-year birth cohort (1958-1962) | 5-year change in age at menarche | |||||
|---|---|---|---|---|---|---|---|---|
N | Mean | 95% CI | Mean | 95% CI | Years | 95% CI | p | |
Navarre (reference) | 79396 | 13.72 | 13.69, 13.75 | 12.88 | 12.85, 12.90 | -0.143 | -0.143, -0.147 | <0.001 |
Andalusia | 4480 | 13.58 | 13.37, 13.79 | 12.52* | 12.40, 12.64 | -0.187 | -0.187, -0.209 | <0.001 |
Aragon | 3109 | 13.57 | 13.38, 13.77 | 12.64* | 12.48, 12.80 | -0.138 | -0.138, -0.163 | 0.757 |
Asturias | 478 | 13.82 | 13.23, 14.41 | 12.41* | 12.02, 12.79 | -0.239 | -0.239, -0.302 | 0.002 |
Basque Country | 4004 | 13.36* | 13.16, 13.55 | 12.74* | 12.64, 12.83 | -0.101 | -0.101, -0.123 | <0.001 |
Cantabria | 428 | 13.59 | 12.92, 14.25 | 12.69 | 12.21, 13.17 | -0.187 | -0.187, -0.257 | 0.21 |
Castile-La Mancha | 833 | 13.22* | 12.77, 13.66 | 12.58 | 12.29, 12.88 | -0.159 | -0.159, -0.208 | 0.51 |
Castile-León | 6036 | 13.91* | 13.76, 14.07 | 12.98 | 12.87, 13.09 | -0.170 | -0.170, -0.189 | 0.005 |
Catalonia | 683 | 13.46 | 13.01, 13.93 | 12.65 | 12.36, 12.93 | -0.047 | -0.047, -0.102 | 0.001 |
Extremadura | 2448 | 13.71 | 13.40, 14.01 | 12.69* | 12.53, 12.85 | -0.161 | -0.161, -0.191 | 0.235 |
La Rioja | 2955 | 14.13* | 13.92, 14.33 | 12.85 | 12.69, 13.02 | -0.188 | -0.188, -0.213 | 0.001 |
Galicia | 825 | 14.13 | 13.68, 14.58 | 12.74 | 12.41, 13.07 | -0.229 | -0.229, -0.283 | 0.002 |
Madrid | 786 | 13.93 | 13.40, 14.46 | 12.64 | 12.40, 12.88 | -0.181 | -0.181, -0.231 | 0.141 |
All women | 107027 | 13.72 | 13.69, 13.75 | 12.83 | 12.81, 12.88 | -0.145 | -0.150, -0.145 | <0.001 |