Changes in health risk behaviors of elementary school students in northern Taiwan from 2001 to 2003: results from the child and adolescent behaviors in long-term evolution study

Table 1 Distribution of health risk behaviors in subjects by grade (n = 1,820)

Behavior	Grade 4 (2001)					Grade 5 (2002)					Grade 6 (2003)
	once/twice	many times	every day	ever	Rank	once/twice	many times	every day	ever	Rank	once/twice	many times	every day	ever	Rank
Staying up late	45.13	22.43	14.73	82.29	1	45.19	20.89	15.67	81.75	1	39.82	29.59	19.03	88.44	1
Eating snacks at night	45.38	13.63	9.73	68.74	2	46.43	11.76	9.18	67.37	2	47.28	15.52	8.75	71.55	2
Watching TV for prolonged periods	36.73	19.83	11.58	68.14	3	33.02	17.78	10.18	60.98	4	36.03	20.74	12.38	69.15	4
Eating fast food	56.77	5.94	1.82	64.53	4	57.64	5.00	1.32	63.96	3	54.87	5.72	1.10	61.69	5
Swearing	46.37	9.02	3.69	59.08	5	46.08	10.33	4.03	60.44	5	48.16	17.01	6.05	71.22	3
Hitting others	43.53	8.98	1.82	54.33	6	31.98	4.29	1.98	38.25	7	39.45	7.53	2.47	49.45	6
Suppressing urination	44.56	7.01	2.43	54.00	7	41.26	3.41	1.48	46.15	6	41.42	5.23	0.94	47.59	7
Playing video games for prolonged periods	29.04	8.26	5.95	43.25	8	21.37	6.77	6.17	34.31	8	22.78	12.30	9.05	44.13	8
Throwing things when angry	23.19	2.65	1.82	27.66	9	18.02	2.7	1.32	22.04	9	22.16	3.52	1.59	27.27	9
Drinking alcohol	7.2	0.93	0.33	8.46	10	5.39	0.55	0.06	6.00	11	4.18	0.66	0.38	5.22	11
Vandalism	6.35	0.55	0.17	7.07	11	6.27	0.66	0.33	7.26	10	7.20	0.88	0.22	8.30	10
Smoking	1.16	0.17	0.06	1.39	12	0.82	0.11	0.05	0.98	12	0.71	0.11	0.00	0.82	12
Chewing betel nut	0.55	0.33	0.11	0.99	13	0.33	0.00	0.05	0.38	13	0.11	0.05	0.00	0.16	13

ISSN: 1471-2458