Overview
Lower back pain (lumbago) is one of the most common medical complaints worldwide, affecting up to 80% of adults at some point. This data type allows tracking of pain episodes, severity patterns, and response to treatment, supporting both self-management and clinical consultation.
Health Significance
- Prevalence: Leading cause of disability worldwide
- Chronicity Risk: 5-10% of acute episodes become chronic (lasting >3 months)
- Functional Impact: Affects work capacity, mobility, and quality of life
- Healthcare Utilization: Tracking can support appropriate care-seeking
- Treatment Response: Enables monitoring of intervention effectiveness
Clinical Categories
Lower back pain is typically classified as:
- Acute: Less than 6 weeks duration
- Subacute: 6-12 weeks duration
- Chronic: Greater than 12 weeks duration
Most cases (85-90%) are "nonspecific" without identifiable structural cause.
When to Seek Medical Attention
Red Flags Requiring Immediate Evaluation:
- Loss of bladder or bowel control (cauda equina syndrome)
- Progressive leg weakness or numbness
- Pain after significant trauma
- Unexplained weight loss with back pain
- Fever with back pain
- History of cancer with new back pain
- Pain that wakes from sleep consistently
- Pain worsening despite rest
Other Reasons to Consult:
- Pain lasting more than 6 weeks without improvement
- Pain radiating below the knee
- Significant functional limitation
- Need for work restrictions or disability documentation
Pattern Recognition
Tracking lower back pain can reveal:
- Relationship to specific activities (lifting, sitting, standing)
- Positional patterns (better/worse lying down, walking)
- Morning stiffness patterns (inflammatory vs. mechanical)
- Correlation with exercise or movement
- Response to rest, medication, or other interventions
- Cyclical patterns (menstrual, occupational, seasonal)
- Progressive vs. episodic nature
Caveats & Limitations
- Severity is subjective and varies between individuals
- Does not capture pain quality (sharp, dull, burning, aching)
- Cannot distinguish between different causes of back pain
- Does not record radiation pattern or neurological symptoms
- No standardized pain scale integration (e.g., 0-10 numeric)
- Cannot track functional disability separately from pain intensity
- Does not capture medication usage in same entry
Related Metrics
HKCategoryTypeIdentifierPelvicPain
Pain regions may overlap; gynecological causes can present as low back pain
HKCategoryTypeIdentifierGeneralizedBodyAche
Systemic conditions may present with both
StepCount
Activity levels may correlate with pain patterns
WalkingSpeed
Mobility impairment indicator
WalkingStepLength
Gait changes may indicate pain-related compensation
HKWorkoutType
Exercise may trigger, exacerbate, or relieve symptoms