Background: Evolution of medical technologies extent human life expectancy. The United Nations found Thai elderly population were increased rapidly compared with other developing countries. Global estimations of the burden of disease show that mental illness plays a prominent role. Elderly club is one of the several ways to promote social interaction, gain self esteem, slow progression of physical and mental disabilities in old age people. However, the activities which certainly proper for each elderly group remains unclear because various demographic data background of elderly in each area.
Objective: To determine the mental health status, including depression and quality of life among members of the Thammasat hospital elderly club which covers elderly members in northen Bangkok, Pathumthani and Ayutthaya province.
Material and Method: A cross-sectional descriptive study was conducted. Seventy members were sampled for interview from 207 members. The assessment tools were Thai Mental Health Indicator (TMHI-54), Thai Geriatric Depression Scale (TGDS), Stress self assessment questionnaire, and World Health Organization Quality of Life-Brief-Thai Version (WHOQOLBREF- THAI).
Results: The majority of the sample was females (78.6%). The age ranged from 60 to 84 years old (mean 70.24). The prevalences of psychological problems were; poor mental health (12.9%), depression (5.7%) and stress (15.2%). The sample reported poorer quality of life on 3 sub domains of WHOQOL; physical (2.9%), psychological (1.4%) and social relationship (4.3%) domains. The level of depression, reported by those who had not enough income, was significantly higher than those who had enough income (p = 0.022). Quality of life (physical and social relationship domain) among those aged younger than 70 years, was better than that among those aged 70 or older (p = 0.024 and p = 0.023 respectively). Quality of life (psychological domain) among those who had not enough income, was significantly poorer than those with enough income (p = 0.020). Quality of life in term of social relationship was better among those living in urban areas (p = 0.037) or having better education (p = 0.014). Regular or irregular club ’s activity attending was not related with mental status and quality of life.
Conclusion: The majority of the sample had equal or better mental health status and quality of life compared with the general population. The prevalence of depression was slightly lower than other Thai studies.

Keywords: Mental health, Depression, Stress, Quality of life, Elderly, Elderly club