Prevalence and risk factors of nocturnal enuresis among children ages 5–12 years in Xi’an, China: a cross-sectional study

Table 1 General characteristics of children ages 5–12 years

Factors		Total number	NE	non-NE	Prevalence(%)	χ²	P
Age		–	7.21 ± 1.99	8.05 ± 2.08	–	−6.413	< 0.001*
Gender	Male	3409	169	3240	4.96	17.356	< 0.001
Gender	Female	3159	93	3066	2.94	17.356	< 0.001
Educational level of father	Primary school	194	14	180	7.22	0.405	0.525**
	Junior high school	1761	65	1696	3.69
	High school	1454	58	1396	3.99
	Junior college	1538	62	1476	4.03
	Bachelor degree	1348	55	1293	4.08
	Postgraduate and above	273	8	265	2.93
Educational level of mother	Primary school	238	16	222	6.72	0.085	0.770**
	Junior high school	1826	66	1760	3.61
	High school	1463	58	1405	3.96
	Junior college	1621	64	1557	3.95
	Bachelor degree	1254	53	1201	4.23
	Postgraduate and above	166	5	161	3.01
Mother’s age at delivery	< 20 years old	63	5	58	7.94	0.732	0.392**
	20–29 years old	4957	186	4771	3.75
	30–39 years old	1509	70	1439	4.64
	≥40 years old	39	1	38	2.56

Note: NE = nocturnal enuresis. Age is mean ± SD. * P value for Two Independent Sample T test, ** P value for Chi-squared test for trend, and other P value for Chi-squared test

ISSN: 1471-2431