Sex and Geographic Differences in the Prevalence of Reported Childhood Motor Disability and Their Trends in Taiwan

Table 2

The prevalence and rate ratio by sex in children 3–17 years of age.

Year	Number of cases			Population		Prevalence (1/10,000)
	Boy	Girl	Boy/Girl ratio	Boy	Girl	Boy	Girl	Rate ratio [95% CI]
2004	4883	3304	1.48	2429513	2234797	20.10	14.78	1.36
2005	4820	3192	1.51	2397970	2203863	20.10	14.48	1.39
2006	4687	3130	1.50	2339532	2148295	20.03	14.57	1.38
2007	4423	3046	1.45	2292296	2102987	19.30	14.48	1.33
2008	4030	2875	1.40	2225403	2043227	18.11	14.07	1.29
2009	3748	2695	1.39	2167065	1990875	17.30	13.54	1.28
2010	3477	2545	1.37	2107777	1936656	16.50	13.14	1.26

Boy/Girl: boy-to-girl ratio, obtained by dividing the number of boy cases by the number of girl cases in each year; CI: confidence interval; .