Table 3.

Effect sizes for the sex differences in various ratios of length of the metacarpals (top) and metatarsals (bottom) of African-Americans aged 18–39 at death.

		Effect Size (F minus M)
Ratio	Number F/M	Left	Right
Hands
1Mc:2Mc	52/64	−0.209	−0.307
1Mc:3Mc	53/64	−0.034	−0.110
1Mc:4Mc	53/64	−0.104	−0.226
1Mc:5Mc	54/63	−0.068	−0.222
2Mc:3Mc	52/65	0.271	0.275
2Mc:4Mc	52/65	0.186	0.090
2Mc:5Mc	53/64	0.171	0.115
3Mc:4Mc	53/65	−0.033	−0.169
3Mc:5Mc	54/64	−0.019	−0.128
4Mc:5Mc	54/64	0.012	−0.008
Feet
1Mt:2Mt	53/62	0.294	0.180
1Mt:3Mt	54/62	0.305	0.161
1Mt:4Mt	54/61	0.139	0.145
1Mt:5Mt	53/61	0.248	0.132
2Mt:3Mt	54/62	0.042	−0.026
2Mt:4Mt	54/61	−0.165	−0.023
2Mt:5Mt	53/61	0.025	0.018
3Mt:4Mt	55/61	−0.281	0.001
3Mt:5Mt	54/61	0.023	0.047
4Mt:5Mt	54/60	0.193	0.053

Mc = metacarpal

Mt = metatarsal

F = Female

M = Male

Results from unpaired t tests, two-tailed:

^*= 0.05 > p > 0.01;

^**= 0.01 > p > 0.001