Please assess the completion status of the following clinical trial:

Trial Title: Nutrition Status, BMD, and SSRIs

Study Design Characteristics:
- Allocation: None
- Intervention Model: None
- Observational Model: CASE_CONTROL
- Primary Purpose: None
- Time Perspective: RETROSPECTIVE
- Masking: None
- Phase: None
- Number of Arms: None

Eligibility Criteria:
Inclusion Criteria:~* Included adult NHANES participants are those who participated in the Dual-Energy X-ray Absorptiometry (DXA) femur-neck BMD test and responded in full to the demographic, pharmaceutical, and dietary surveys.~Exclusion Criteria:~* Pregnancy, incomplete survey responses, incomplete DXA results

- Gender: ALL
- Minimum Age: 18 Years
- Maximum Age: None
- Healthy Volunteers: t

Study Arms:
- SSRI long-term user (Type: None): Adults, 655 with an SSRI prescription ≥180 days and identified in the National Health and Nutrition Examination Survey (NHANES) data.
- Non-user (Type: None): Adults, 12,372 non-users, were identified in the National Health and Nutrition Examination Survey (NHANES) data.

Based on this trial design, predict the completion outcome and termination type (if applicable).