Table 3.
Predictors of the presence of dementia being correctly recorded in general hospital records of people with dementia: Univariate and multivariable logistic regression (n = 8246)
| Characteristic | Univariate analysis |
Mutually adjusted multivariable analysis (n = 6037) |
||
|---|---|---|---|---|
| Odds ratio | P value | Odds ratio | P value | |
| Age (per 1 year increment) | 1.03 (1.03, 1.04) | <.001 | 1.04 (1.02, 1.04) | <.001 |
| Sex | ||||
| Female | 1.14 (1.02, 1.27) | .01 | 1.00 (0.86, 1.17) | .97 |
| Ethnicity | ||||
| White | 1 | <.001 | 1 | <.001 |
| Asian | 0.65 (0.52, 0.82) | 0.61 (0.45, 0.83) | ||
| Black African/Caribbean | 0.66 (0.57, 0.76) | 0.57 (0.47, 0.69) | ||
| Other | 0.56 (0.43, 0.72) | 0.53 (0.37, 0.75) | ||
| Marital status | ||||
| Married | 1 | <.001 | 1 | .17 |
| Divorced | 0.80 (0.66, 0.98) | 0.89 (0.69, 1.14) | ||
| Widowed | 1.23 (1.08, 1.39) | 0.98 (0.82, 1.17) | ||
| Single | 0.91 (0.78, 1.06) | 0.81 (0.67, 0.99) | ||
| Deprivation score (per 10-unit increase in deprivation) | 0.95 (0.91, 1.00) | .04 | 0.94 (0.89, 1.01) | .08 |
| MMSE (per 1-unit decrease) | 1.09 (1.08, 1.10) | <.001 | 1.10 (1.09, 1.11) | <.001 |
| Problem with (from HoNOS subscale)∗ | ||||
| Agitation | 1.84 (1.58, 2.15) | <.001 | 1.65 (1.31, 2.07) | <.001 |
| Self-injury | 0.95 (0.59, 1.51) | .82 | 0.72 (0.37, 1.40) | .33 |
| Alcohol/drugs | 0.67 (0.49, 0.90) | .008 | 0.79 (0.52, 1.20) | .27 |
| Physical illness | 0.95 (0.85, 1.06) | .34 | 0.74 (0.63, 0.86) | <.001 |
| Hallucinations | 1.20 (1.01, 1.42) | .04 | 1.12 (0.88, 1.42) | .35 |
| Depressed mood | 0.80 (0.68, 0.93) | .005 | 0.93 (0.75, 1.15) | .49 |
| Relationships | 1.19 (1.02, 1.37) | .03 | 0.95 (0.76, 1.18) | .64 |
| Daily living | 1.68 (1.50, 1.87) | <.001 | 1.43 (1.22, 1.69) | <.001 |
| Living conditions | 0.89 (0.76, 1.04) | .14 | 0.85 (0.68, 1.05) | .14 |
| Occupation/activities | 1.28 (1.14, 1.44) | <.001 | 1.10 (0.93, 1.29) | .28 |
| Last recorded dementia diagnosis | ||||
| Alzheimer's disease | 1 | <.001 | 1 | <.001 |
| Vascular dementia | 0.88 (0.77, 1.01) | 0.76 (0.63, 0.91) | ||
| Lewy body dementia | 0.88 (0.64, 1.20) | 0.99 (0.65, 1.50) | ||
| Other dementia | 0.79 (0.64, 0.97) | 0.98 (0.74, 1.29) | ||
| Unspecified dementia | 0.51 (0.44, 0.58) | 0.41 (0.34, 0.50) | ||
| Number of admissions (per additional admission) | 1.15 (1.13, 1.18) | <.001 | 1.17 (1.14, 1.20) | <.001 |
Abbreviations: HoNOS, Health of the nation outcome scales; MMSE, Mini Mental State Examination.
∗
HoNOS subscale, dichotomized to 0–1 (no or minor problem) and 2–4 (problem behavior); bold figures indicate P < .05 in multivariable analysis.