Alternative Risk-Adjustment Approaches to Assessing the Quality of Home Health Care: Final Report. TABLE 2: Preliminary Set of Core Risk Factors Used in Initial Analyses


TABLE 2. Preliminary Set of Core Risk Factors Used in Initial Analyses
Preliminary Core Risk Factors OASIS Items Specification
   Age M0066 <65
65-74 (reference category)
   Sex M0069 Female
Male (reference category)
   Any Medicare M0150 Yes
No (reference category)
Informal Support/Assistance:
   ADL assistance provided by caregiver M0350, M0360, M0380 Yes
No (reference category)
   Frequency of assistance M0350, M0360, M0370 Scale 0-6 (0 = no caregiver)
Living Situation:
   Lives alone M0340 Yes
No (reference category)
   Lives with spouse/family M0340 Yes
No (reference category)
Discharge Past 14 Days:
   Discharge from hospital M0175 Yes
No (reference category)
   Discharge from nursing home
   Discharge from rehabilitation facility
   Overall prognosis M0260 Poor (reference category)
   Rehab prognosis M0270 Guarded (reference category)
   Life expectancy M0280 Greater than 6 mo. (reference category)
Less than 6 months
   Infectious/parasitic diseases M0190, M0210, M0230, M0240 For each major diagnosis category:  
No (reference category)
(Note: diagnoses are not mutually exclusive)
   Blood diseases
   Mental diseases
   Nervous system
   Circulatory system
   Respiratory system
   Digestive system
   Musculoskeletal system
   Ill-defined conditions
   Other injury
   Iatrogenic conditions
Diagnosis Severity:
   Number of severity ratings >2 M0230_S, M0240S Integer count (range 0 to 6)
Sensory Status:
   Hearing impairment M0400 No impairment (reference category)
Minimal difficulty
Moderate difficulty
Severe difficulty (categories 3-4)
   Vision impairment M0390 Normal (reference category)
Partially impaired
Severely impaired
   Speech/language impairment M0410 No impairment (reference category)
Minimal difficulty
Moderate difficulty
Severe difficulty (categories 3-5)
Integumentary Status:
   Surgical wound present M0480 Yes
No (reference category)
   Stage of most problematic pressure ulcer M0440, M0445, M0460 Scale 0-4 (0 = No pressure ulcer)
   Status of most problematic stasis ulcer M0440, M0468, M0476 Scale 0-3 (0 = No stasis ulcer)
Physical Functioning:
   ADL/IADL summary score M0640 through M0780 Integer count 0-14 (0 = No dependencies)
Elimination Status:
   Urinary incontinence severity M0520, M0530 No incontinence (reference category)
Timed voiding deters incontinence
Night only
Day and Night
   Urinary catheter M0520 Yes
No (reference category)
   Bowel incontinence M0540 Rarely or Never (reference category)
Less than once weekly
1-3 times weekly
4-6 times weekly
Daily or more often (categories 4-5)
   Ostomy for bowel elimination M0550 Yes (categories 1-2)
No (reference category)
Neuro/Emotional/Behavioral Status:
   Cognitive functioning M0560 No impairments (reference category)
Requires prompting
Requires assistance and some direction
Requires considerable assistance
Totally dependent
   Confusion frequency M0570 Never (reference category)
New or complex situations only
On awakening or at night
Day and evening, not constantly
   Anxiety frequency M0580 None (reference category)
Less often than daily
Daily, but not constantly
All of the time
   Verbal disruption M0610_3 Yes
No (reference category)
   Number of symptoms of depression M0590 None (reference category)
One symptom only
More than one symptom

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