Table 2.

Children and adolescents sampled in the three geographical areas of the central region of Peru.

Age (yrs)†	Sea level (Barranco)		Amazon region (La Merced and San Ramon)		High altitude (Junín)		All areas
	Girls	Boys	Girls	Boys	Girls	Boys	Girls	Boys
6	103	45	176	151	49	56	328	252
7	78	39	158	233	77	57	313	329
8	94	69	231	208	59	68	384	345
9	139	64	209	239	81	105	429	408
10	101	71	272	247	85	102	458	420
11	136	110	231	234	107	80	474	424
12	114	105	300	191	182	125	596	421
13	85	31	272	168	102	132	459	331
14	149	74	228	159	144	141	521	374
15	120	119	190	192	138	112	448	423
16	81	36	88	89	75	62	244	187
Total	1200	763	2355	2111	1099	1040	4654	3914

Data by age and sex. ^†Age was used as decimals of a year, and children aged 5.5 to 6.49 yrs were designated as 6, children aged 6.50 to 7.49 yrs as 7, and so on [28].