Table 1.

Timing and tempo of puberty by migration scale.

n	Bangladeshi	1st Generation		2nd Generation		White British		p-trend	p-value for 1st vs 2nd
	162	40		159		48
Pubertal Timing	Reference	HR (95%CI)	pairwise p	HR (95%CI)	pairwise p	HR (95%CI)	pairwise p
Adrenarche	1	2.6 (1.3–5.0)	0.005	0.9 (0.6–1.3)	0.557	1.0 (0.6–1.7)	0.868	0.707	0.007
Thelarche	1	2.0 (1–4.1)	0.047	1.6 (1.1–2.4)	0.01	2.6 (1.5–4.4)	<0.001	0.0003	0.553
Pubarche	1	0.7 (0.4–1.5)	0.411	1.6 (1.0–2.4)	0.071	2.1 (1.1–3.7)	0.018	0.009	0.032
Menarche	1	1.8 (0.8–4)	0.183	1.4 (0.8–2.4)	0.245	0.9 (0.4–2.1)	0.792	0.637	0.559
Predicted Median Ages	Median Years	Median Years		Median Years		Median Years
Adrenarche	7.2	5.3		7.4		7.1
Thelarche	10.7	9.2		9.6		8.7
Pubarche	12.5	13.2		11.6		10.9
Menarche	12.5	11.8		12.1		12.6
Tempo	Duration in years, 95% CI	Duration in years, 95% CI		Duration in years, 95% CI		Duration in years, 95% CI
Juvenile Tempo (Adrenarche to Thelarche)	3.5 (2.8–4.2)	3.9 (-2.6–10.4)		2.2 (1–3.4)		1.6 (-0.9–4.1)
Pubertal Tempo (Thelarche to menarche)	1.8 (1.1–2.5)	2.6 (-4.6–9.8)		2.5 (1.8–3.2)		3.9 (-3.9–7.8)