Table 1.

Socioeconomic characteristics of rural–urban migrants in China (n = 5925)

	Total	Male	Female	Ch2	p value
Age	31.63 ± 10.43	31.15 ± 9.92	31.95 ± 10.75	111.9323	0.000
Marital status (%)				5.5138	0.019
Married	58.80	34.57	24.24
Other	41.20	25.47	15.73
Current work status (%)				61.6141	0.000
Employed	95.66	58.45	37.22
Other	4.34	1.59	2.75
Ethnicity (%)				5.2878	0.021
Han ethnicity	98.06	58.67	39.39
Ethnic minority	1.94	1.37	0.57

* p values were derived from Chi² test