Table 1.

Characteristics of study participants

		n (%) or Mean ± sd
		Boys (n 550)		Girls (n 524)		Total (n 1074)
		n	%	n	%	n	%	P value
Grade	5th	135	24·5	137	26·1	272	25·3	0·617
	6th	130	23·6	107	20·4	237	22·1
	7th	160	29·1	153	29·2	313	29·1
	8th	125	22·7	127	24·2	252	23·5
Father education	Iliterate	39	7·1	27	5·2	66	6·1	0·064
	Literate	12	2·2	17	3·2	29	2·7
	Primary school	98	17·8	119	22·7	217	20·2
	Secondary school	104	18·9	117	22·4	221	20·6
	High school	208	37·8	171	32·6	379	35·3
	University	89	16·2	73	13·9	162	15·1
Mother education	Iliterate	43	7·8	33	6·3	76	7·1	0·315
	Literate	27	4·9	31	5·9	58	5·4
	Primary school	126	22·9	141	26·9	267	24·9
	Secondary school	105	19·1	112	21·4	217	20·2
	High school	176	32	145	27·7	321	29·8
	University	73	13·3	62	11·8	135	12·6
Mother employment status	Unemployed	20	3·6	19	3·6	39	3·6	0·116
	Housewife	352	64	349	66·6	701	65·3
	Retired	4	0·7	7	1·3	11	1·1
	Officer	19	3·5	19	3·6	38	3·5
	Labour	96	17·5	59	11·3	155	14·4
	Self-employment	23	4·2	29	5·5	52	4·8
	Other	36	6·5	42	8·1	78	7·3
Father employment status	Unemployed	16	2·9	13	2·5	29	2·7	0·622
	Retired	39	7·1	28	5·3	67	6·2
	Officer	44	8·1	40	7·6	84	7·8
	Labour	245	44·5	221	42·2	466	43·4
	Self-employment	109	19·8	117	22·3	226	21·1
	Other	97	17·6	105	20·1	202	18·8
Income level	Income is less than expense	20	3·6	15	2·9	35	3·3	0·551
	Income is equal to expense	336	61·1	310	59·2	646	60·1
	Income is more than expense	194	35·3	199	38·0	393	36·6
BMI	Underweight	74	13·5	64	12·2	138	12·8	<0·001
	Normal	209	38·0	273	52·1	482	44·9
	Overweight	104	18·9	88	16·8	192	17·9
	Obese	163	29·6	99	18·9	262	24·4
Adolescent Nutrition Literacy Scale score*
Mean		67·9		68·9		68·4		0·105
sd		8·92		9·03		8·98

Significant values are shown in bold (P < 0·05).

^*Data are expressed as mean ± sd.