Table 1.

Summary of numbers of childhood serial examinations of BMI by ages 0 – 2, 2 – 7, and years –2 to 10 since puberty and by sex and descriptive statistics of BMI values measured at the beginning of the study by sex and puberty developmental group.

Number of serial examinations of BMI		Number of boys	Number of girls	Total number of subjects
Ages in 0 – 2 years
1 – 4		61	42	103
5 – 8		38	29	67
Total		99	71	170
Ages in 2 – 7 years
1 – 4		37	30	67
5 – 8		21	12	33
9 – 12		33	25	58
Total		91	67	158
Years in 32 – 10 since puberty
1 – 8		3	3	6
9 – 16		8	11	19
16 – 23		16	20	36
Total		27	34	61
BMI at Birth in Boys
	Overall	Adrenarche-first	Concordance	Gonadarche-first
N	86	9	68	9
Mean	12.9	13.0	12.8	12.8
Std Dev	1.6	1.6	1.7	0.4
Min	6.0	11.4	6.0	12.2
Max	16.3	15.8	16.3	13.5
BMI at Birth in Girls
N	59	14	31	14
Mean	13.1	13.4	13.1	12.6
Std Dev	1.6	2.3	1.3	1.6
Min	9.5	11.2	10.7	9.5
Max	17.9	17.9	15.6	14.9