The aims of this study are to translate the five-item relationship satisfaction scale（RS5) into Chinese and assess its psychometric properties among Chinese patients.

This study will use forward translation, reverse translation, and comprehensive methods to translate the RS5 scale into Chinese ,which will be more in line with the Chinese language and cultural environment. This study will also verify its reliability and validity in a large sample population to form a formal version of the scale. The scale will provide an effective tool for evaluating the degree of relationship satisfaction in China.

Inclusion Criteria:

• ≥18 years old;
• Participants who are married or in a romantic relationship;
• Be able to read and communicate in Chinese.

Exclusion Criteria:

• Those who are unable to communicate due to serious mental or physical illnesses such as deafness, confusion caused by mental illness, etc.

A total number of 278 spouses/partners who are married or in a romantic relationship.

The non-identified individual participant data will be shared after the outcomes have been published.

After the publication of the study

Researchers should contact the PI for approval of the study protocol.