Table 2.

Smoothed age-specific waist circumference percentile values for boys

Age	3p	5p	10p	25p	50p	75p	90p	95p	97p
0–28 days	26.6	27.3	28.2	29.7	31.2	32.5	33.6	34.3	34.7
28 days–3 months	32.2	32.8	33.8	35.4	37.2	39.0	40.5	41.4	42.0
3–<6	34.9	35.5	36.5	38.2	40.0	42.0	43.7	44.8	45.5
6–<9	36.5	37.1	38.1	39.8	41.7	43.7	45.5	46.7	47.4
9–<12	37.7	38.3	39.2	40.9	42.8	44.9	46.8	48.0	48.7
12–<15	38.6	39.2	40.2	41.8	43.7	45.8	47.7	48.9	49.7
15–<18	39.4	40.0	40.9	42.6	44.5	46.6	48.5	49.8	50.6
18–<21	40.1	40.7	41.6	43.3	45.2	47.3	49.3	50.5	51.4
21–<24	40.8	41.4	42.3	43.9	45.9	48.0	50.0	51.3	52.2
24–<27	41.4	42.0	42.9	44.6	46.5	48.6	50.7	52.0	52.9
27–<30	42.0	42.6	43.5	45.2	47.1	49.3	51.4	52.7	53.6
30–<33	42.6	43.2	44.1	45.7	47.7	49.9	52.0	53.4	54.4
33–<36	43.1	43.7	44.6	46.2	48.2	50.4	52.6	54.1	55.1
36–<39	43.6	44.2	45.1	46.7	48.7	51.0	53.2	54.7	55.7
39–<42	44.1	44.6	45.6	47.2	49.2	51.5	53.8	55.3	56.4
42–45	44.5	45.1	46.0	47.6	49.7	52.0	54.4	55.9	57.0
45–<48	44.9	45.5	46.4	48.0	50.1	52.5	54.9	56.5	57.6
48–<51	45.3	45.8	46.8	48.4	50.5	52.9	55.4	57.1	58.2
51–<54	45.6	46.2	47.1	48.8	50.9	53.3	55.9	57.6	58.8
54–<57	46.0	46.5	47.5	49.1	51.3	53.7	56.3	58.1	59.3
57–<60	46.3	46.9	47.8	49.5	51.6	54.1	56.8	58.6	59.9
60–<63	46.6	47.2	48.1	49.8	51.9	54.5	57.2	59.1	60.4
63–<66	46.9	47.4	48.4	50.1	52.3	54.8	57.6	59.5	60.9
66–<69	47.2	47.7	48.6	50.4	52.5	55.2	58.0	60.0	61.4
69–<72	47.4	48.0	48.9	50.6	52.8	55.5	58.4	60.4	61.9
72–75	47.7	48.2	49.2	50.9	53.1	55.8	58.7	60.8	62.3
75–78	47.9	48.5	49.4	51.1	53.4	56.1	59.1	61.2	62.8
78–81	48.1	48.7	49.6	51.4	53.6	56.4	59.4	61.6	63.2
81–84	48.4	48.9	49.9	51.6	53.9	56.6	59.7	62.0	63.7