Concordance of Non-Alcoholic Fatty Liver Disease and Associated Factors among Older Married Couples in China

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Abstract
Background: Non-alcoholic fatty liver disease (NAFLD) is one of the most common liver diseases which affects mainly middle-aged and older adults, resulting in a considerable disease burden. Evidence of concordance on NAFLD and lifestyle factors within older married couples in China is limited. This study aimed to evaluate spousal concordance regarding lifestyle factors and NAFLD among older Chinese couples. Methods: We conducted a cross-sectional study using data from 58,122 married couples aged 65 years and over recruited from Shenzhen, China during 2018–2020. Logistic regression analyses were used to estimate the reciprocal associations in NAFLD within couples after incremental adjustment for potential confounders. Results: There was a marked concordance regarding NAFLD among older married couples in our study. After adjustment for confounders, the odds of having NAFLD were significantly related to the person’s spouse also having NAFLD (1.84 times higher in husbands and 1.79 times higher in wives). The spousal concordance of NAFLD was similar, irrespective of gender. Couples with both a higher educational level and abdominal obesity were more likely to have a concordance of NAFLD compared to couples with both a lower educational level and no abdominal obesity, respectively (p < 0.05). Conclusion: Our results indicated that health care professionals should bear in mind the marked spousal concordance with respect to risk factors and NAFLD for the prevention and early detection of the highly prevalent disease in older Chinese adults.
Funding Information
  • Science and Technology Planning Project of Shenzhen City, Guangdong Province, China (KCXFZ20201221173600001, 82273631, JCYJ20220531094410024, SZXK065, SZSM201811093, A2022082)
  • National Natural Science Foundation of China (KCXFZ20201221173600001, 82273631, JCYJ20220531094410024, SZXK065, SZSM201811093, A2022082)
  • Science and Technology Planning Project of Shenzhen City, Guangdong Province, China (KCXFZ20201221173600001, 82273631, JCYJ20220531094410024, SZXK065, SZSM201811093, A2022082)
  • Shenzhen medical key discipline construction fund (KCXFZ20201221173600001, 82273631, JCYJ20220531094410024, SZXK065, SZSM201811093, A2022082)
  • Sanming Project Of Medicine in Shenzhen (KCXFZ20201221173600001, 82273631, JCYJ20220531094410024, SZXK065, SZSM201811093, A2022082)
  • Medical Scientific Research Foundation of Guangdong Province, China (KCXFZ20201221173600001, 82273631, JCYJ20220531094410024, SZXK065, SZSM201811093, A2022082)

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