Association between life satisfaction, sleep disturbance and mental health problems among the migrant older adults with children: a conditional process analysis based on per capita bedroom area

Table 2 Correlations for the main variables

Variable	Mean (SD)	1	2	3	4
1. Mental health problems	7.77 (10.64)	1
2. Life satisfaction	27.87 (5.58)	− 0.39**	1
3. Sleep disturbance	4.29 (3.60)	0.39**	− 0.27**	1
4. Per capita bedroom area	10.76 (5.25)	− 0.11**	0.08*	− 0.02	1

ISSN: 1471-2318