Residents with a decline in their ability to move about in their room and the adjacent corridor.

Exclusions:
Residents satisfying any of the following conditions:)
1. The G1e(A) value is missing on the target assessment [t].
2. The G1e(A) value is missing on the prior assessment [t-1] and the G1e(A) value shows some dependence on the target assessment (G1e(A)[t]>0).
3. The G1e(A) value on the prior assessment is 4 (total dependence) or 8 (activity did not occur).
4. The resident is comatose (B1 = 1) or comatose status is unknown (B1= missing) on the target assessment.
5. The resident has end-stage disease (J5c = checked) or status is unknown (J5c = missing) on the target assessment.
6. The resident is receiving hospice care (P1ao = checked) or hospice status is unknown (P1ao = missing) on the target assessment or the most recent full assessment.
7. The resident is in a facility with a Chronic Care Admission Sample size of 0 (i.e., there are no admission assessments with AA8a = 01 in the facility over the previous 12 months).

Covariates:
1. Indicator of recent falls on the prior assessment:
Covariate = 1 if J4a checked or J4b checked.
Covariate = 0 if J4a not checked AND J4b not checked.

2. Indicator of extensive support or more dependence in eating on the prior assessment:
Covariate =1 if G1h(A) = 3,4,8.
Covariate = 0 if G1h(A) = 0,1,2.

3. Indicator of extensive support or more dependence in toileting on the prior assessment:
Covariate =1 if G1i(A) = 3,4, or 8.
Covariate = 0 if G1i(A) = 0,1, or 2.