Table 1.

Age and gender specific BMI of students with completed dietary questionnaires (n = 1764)

Age (yr)	n	Mean ±SD for BMI	85th Percentile for BMI	Overweight cases
Boys
7.5-8.4	18	15.58 ± 1.78	17.50	4
8.5-9.4	34	17.36 ± 1.64	19.30	13
9.5-10.4	47	16.67 ± 1.73	17.90	8
10.5-11.4	72	17.65 ± 2.77	20.26	11
11.5-12.4	88	18.19 ± 2.62	20.34	14
12.5-13.4	107	18.65 ± 3.07	22.00	17
13.5-14.4	121	19.58 ± 3.92	22.20	19
14.5-15.4	125	20.01 ± 3.03	22.30	19
15.5-16.4	127	20.64 ± 2.24	22.80	20
16.5-17.4	99	21.72 ± 3.22	24.50	19
17.5-18.4	41	21.74 ± 2.82	23.70	7
Girls
7.5-8.4	24	15.66 ± 1.45	16.90	4
8.5-9.4	49	16.88 ± 2.53	18.70	8
9.5-10.4	44	16.68 ± 1.93	18.98	7
10.5-11.4	74	17.92 ± 2.86	20.60	15
11.5-12.4	100	17.85 ± 2.50	19.96	16
12.5-13.4	83	18.82 ± 2.88	21.30	13
13.5-14.4	115	19.95 ± 3.51	22.40	18
14.5-15.4	154	20.36 ± 3.10	23.30	35
15.5-16.4	128	20.75 ± 3.23	23.00	32
16.5-17.4	86	20.83 ± 2.54	23.24	23
17.5-18.4	28	21.65 ± 4.69	22.00	5