Fig 1.
Global distribution of the dependent covariate mean age at menarche for 89 countries included in the sample.
Each country is plotted by mean age at menarche from a given year. Legend shows scaled ages at menarche.
Table 1.
Definitions and sources of the analysed covariates.
Table 2.
Standardised coefficients in the PLS regression.
Fig 2.
Graphical representation of the main findings.
Arrows depict bidirectional associations of individual- and population-level covariates with the timing of menarche. Circles filled with italic and bold point to the model results.
Table 3.
General linear model of the effects of fertility rate and adult female mortality on the mean age at menarche calculated for 89 countries.