[Study on social determinants and health-related quality of life among the 'empty nest' (lonely) elderly Chinese people].

Among 4,995 elderly participants, 'empty nest' individuals displayed significantly lower health-related quality of life scores in physical and psychological functions compared to their 'non-empty nest' counterparts.

• 'Empty nest' elderly are more likely to be aged 70 to 79, have higher education levels, and live in rural areas.
• This group also reports lower income levels and higher life satisfaction compared to those not living alone.
• Despite some positive indicators, 'empty nest' individuals exhibit lower scores in physical function and mental health dimensions.
• The findings suggest that certain social determinants may be associated with the health-related quality of life of the elderly.

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