Multiple Comparison of Age Groups in Bone Mineral Density under Heteroscedasticity

Table 6

Total body mineral density (g/cm²) of Non-Hispanic Black males aged 8 years and over.

Male (Non-Hispanic Black)	Sample size	Mean	Standard deviation	Does Tukey-Kramer C. I. include zero?
(X1) 8–11 years	469	0.884	0.077	(X4–X1)	×
(X2) 12–15 years	745	1.044	0.118	(X4–X2)	×
(X3) 16–19 years	757	1.233	0.116	(X4-X3)	×
(X4) 20–29 years	325	1.304	0.120	(X4)	✓
(X5) 30–39 years	310	1.292	0.114	(X4-X5)	✓
(X6) 40–49 years	366	1.258	0.131	(X4–X6)	×
(X7) 50–59 years	240	1.256	0.122	(X4–X7)	×
(X8) 60–69 years	303	1.240	0.115	(X4–X8)	×
(X9) 70–79 years	114	1.167	0.119	(X4–X9)	×
(X10) 80 years and over	36	1.178	0.156	(X4–X10)	×