Probability of admission in 6 months | Cost of admission over 6 months | |||||||
---|---|---|---|---|---|---|---|---|
N=5624 | N=195 | |||||||
95% CI | 95% CI | |||||||
Regressors | OR | Lower bound | Upper bound | p Value | Exp (b) | Lower bound | Upper bound | p Value |
MMSE | 0.94 | 0.86 | 1.02 | 0.14 | 1.01 | 0.96 | 1.06 | 0.84 |
MMSE (squared) | 1.00 | 1.00 | 1.00 | 0.77 | 1.00 | 1.00 | 1.00 | 0.35 |
Year (Ref: 2006 or earlier) | ||||||||
2007 | 0.86 | 0.55 | 1.36 | 0.52 | 1.08 | 0.83 | 1.40 | 0.56 |
2008 | 0.90 | 0.58 | 1.39 | 0.62 | 1.24 | 0.96 | 1.61 | 0.11 |
2009 | 0.50 | 0.31 | 0.83 | <0.01 | 1.35 | 1.00 | 1.81 | 0.05 |
2010 or later | 0.36 | 0.22 | 0.58 | <0.01 | 1.35 | 1.02 | 1.78 | 0.04 |
Prior 12m General hospital inpatient care (Ref: No history) | 2.40 | 1.75 | 3.29 | <0.01 | 1.12 | 0.94 | 1.33 | 0.22 |
Prior 12m Mental health inpatient care (Ref: No history) | 7.73 | 4.47 | 13.34 | <0.01 | 1.75 | 1.37 | 2.22 | <0.01 |
Age | 0.96 | 0.94 | 0.98 | <0.01 | 1.00 | 0.99 | 1.01 | 0.86 |
Gender (0=female; 1=male) | 1.16 | 0.83 | 1.63 | 0.39 | 1.13 | 0.92 | 1.38 | 0.23 |
Ethnicity (Ref: White) | ||||||||
Caribbean/African | 0.89 | 0.54 | 1.47 | 0.64 | 0.97 | 0.73 | 1.29 | 0.84 |
East/South Asian | 1.21 | 0.53 | 2.75 | 0.66 | 1.42 | 1.04 | 1.95 | 0.03 |
Mixed/unknown | 0.86 | 0.36 | 2.09 | 0.75 | 1.24 | 0.72 | 2.11 | 0.44 |
Partner (Ref: No partner) | 1.63 | 1.11 | 2.39 | 0.01 | 0.81 | 0.66 | 1.01 | 0.06 |
Living alone (Ref: Not) | 2.56 | 1.76 | 3.71 | <0.01 | 1.08 | 0.89 | 1.32 | 0.44 |
Living conditions (HoNOS11) | ||||||||
Minor problems only | 1.90 | 1.28 | 2.81 | <0.01 | 0.87 | 0.71 | 1.08 | 0.22 |
Significant problems | 2.06 | 1.32 | 3.21 | <0.01 | 1.23 | 0.96 | 1.59 | 0.10 |
ADL (HoNOS10) | ||||||||
Minor problems only | 1.23 | 0.69 | 2.19 | 0.49 | 1.12 | 0.77 | 1.62 | 0.55 |
Significant problems | 0.97 | 0.56 | 1.67 | 0.91 | 1.15 | 0.79 | 1.70 | 0.46 |
Physical illness (HoNOS5) | ||||||||
Minor problems only | 1.76 | 1.13 | 2.73 | 0.01 | 0.94 | 0.71 | 1.25 | 0.68 |
Significant problems | 1.70 | 1.10 | 2.64 | 0.02 | 1.13 | 0.85 | 1.49 | 0.40 |
Agitated (HoNOS1) | ||||||||
Minor problems only | 1.86 | 1.23 | 2.82 | <0.01 | 0.70 | 0.54 | 0.91 | 0.01 |
Significant problems | 3.59 | 2.36 | 5.45 | <0.01 | 1.04 | 0.81 | 1.32 | 0.77 |
Depression (HoNOS7) | ||||||||
Minor problems only | 0.92 | 0.63 | 1.33 | 0.65 | 1.20 | 0.96 | 1.50 | 0.11 |
Significant problems | 2.04 | 1.35 | 3.09 | <0.01 | 1.25 | 1.00 | 1.56 | 0.05 |
Relationship (HoNOS9) | ||||||||
Minor problems only | 1.20 | 0.80 | 1.80 | 0.38 | 1.06 | 0.85 | 1.33 | 0.57 |
Significant problems | 1.71 | 1.13 | 2.60 | 0.01 | 0.92 | 0.73 | 1.16 | 0.51 |
Constant term | 0.42 | 0.07 | 2.67 | 0.36 | 17 397 | 52.66 | 57 476 | <0.01 |
Reference group for all HoNOS variables: no problem. Exp(b) estimate is a ratio of expected cost, which can be interpreted as the percentage change in estimated costs (=100×[exp(b)−1]) for each unit change in an independent variable.
HoNOS, Health of the Nation Outcome Scale; MMSE, Mini-Mental State Examination.