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Table 2 Multilevel linear regressions of the association between community-level SES and cognitive function

From: The association between community-level socioeconomic status and cognitive function among Chinese middle-aged and older adults: a study based on the China Health and Retirement Longitudinal Study (CHARLS)

Characteristics Total (n = 26,065) Urban (n = 9155) Rural (n = 16,910)
Community-level SES 0.562 (0.390, 0.734) 0.146 (−0.113, 0.405) 0.658 (0.416, 0.901)
Percentage of residents with non-agricultural work 2.488 (1.859, 3.117) 1.916 (0.887, 2.944) 0.679 (−0.156, 1.513)
Age −0.153 (− 0.160, − 0.146) −0.151 (− 0.162, − 0.140) −0.157 (− 0.166, − 0.147)
Sex (ref = male)
 Female −1.647 (−1.766, −1.528) −0.910 (−1.105, − 0.716) −2.066 (−2.215, −1.917)
Residence (ref = urban)
 Rural 0.491 (0.187, 0.795)   
Occupation (ref = agricultural work)
 Non-agricultural work 0.256 (0.114, 0.397) 0.787 (0.513, 1.061) 0.029 (−0.136, 0.194)
Marital status (ref = unmarried)
 Married 1.156 (0.965, 1.346) 1.089 (0.787, 1.392) 1.252 (1.010, 1.494)
ADLs (ref = no-impaired)
 Impaired −1.059 (−1.221, −0.896) − 1.606 (− 1.888, − 1.323) −0.771 (− 0.968, − 0.575)
ICC 0.103 0.131 0.118
  1. SES socioeconomic status, ADLs activities of daily living, ICC interclass correlation coefficient