Resilience in rural left-behind middle school students in Yunyang county of the Three Gorges area in China: a prospective cohort study

Table 1 The changes in the socio-demographic factors of participants between the baseline and the last follow-up survey

Basic information	Classfication	LBS				NLBS
Basic information	Classfication	The baseline survey (986)	The last follow-up survey (822)	χ ²	P	The baseline survey (336)	The last follow-up survey (279)	χ ²	P
Gender	Male	585	459	2.239	0.135	195	176	1.622	0.203
Gender	Female	401	363	2.239	0.135	141	103	1.622	0.203
Grade	Junior grade one	488	451	5.185	0.023	159	144	1.123	0.289
Grade	Senior grade one	498	371	5.185	0.023	177	135	1.123	0.289
Siblings	Yes	884	750	1.296	0.255	283	237	0.061	0.806
Siblings	No	102	72	1.296	0.255	53	42	0.061	0.806
Living situation	In school	664	506	6.571	0.010	198	156	0.567	0.451
Living situation	Out of school	322	316	6.571	0.010	138	123	0.567	0.451
Parents’ marital status	Divorced	71	61	0.032	0.858	17	18	0.55	0.458
Parents’ marital status	Not divorced	915	761	0.032	0.858	319	261	0.55	0.458
Economic status	Good	41	21	24.822	0.000	33	11	10.427	0.005
	Medium	720	681			240	226
	Bad	225	120			63	42

ISSN: 1471-244X