highly significantp < 0.001
The χ 2 statistics comparing differences between groups were highly significant ( p < 0.001) for all characteristics presented in Table 1 except body mass index ( χ 2 = 4.8, p = 0.2).
The χ 2 statistics comparing differences between groups were highly significant ( p < 0.001) for all characteristics presented in Table 1 except body mass index ( χ 2 = 4.8, p = 0.2).