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Table 3 Ecology type of the societies comprising the study populations

From: Evolutionary fitness as a function of pubertal age in 22 subsistence-based traditional societies

VARIABLES Tropical forest Neotropical forest Savanna/other p Value
Age at menarche (n) (n = 6)
15.5 ± 1.4
(n = 2)
14.6 ± 1.0
(n = 6)
14.3 ± 1.8
0.45
TFR (n) (n = 6)
5.4 ± 1.7
(n = 3)
8.3 ± 0.6
(n = 7)
6.5 ± 0.7
0.015
Reproductive fitness (n) (n = 3)
2.6 ± 0.9
(n = 3)
5.3 ± 1.7
(n = 4)
3.9 ± 1.2
0.09
  1. TFR - total fertility rate, mean ± SD