Background
Search approach
The Dependence Scale
Score | ||
---|---|---|
A | Does the patient need reminders or advice to manage chores, do shopping, cooking, play games, or handle money? | 0/1/2 |
B | Does the patient need help to remember important things such as appointments, recent events, or names of family or friends? | 0/1/2 |
C | Does the patient need frequent (at least once a month) help finding misplaced objects, keeping appointments, or maintaining health or safety (locking doors, taking medication)? | 0/1 |
D | Does the patient need household chores done for them? | 0/1 |
E | Does the patient need to be watched or kept company when awake? | 0/1 |
F | Does the patient need to be escorted when outside? | 0/1 |
G | Does the patient need to be accompanied when bathing or eating? | 0/1 |
H | Does the patient have to be dressed, washed, and groomed? | 0/1 |
I | Does the patient have to be taken to the toilet regularly to avoid incontinence? | 0/1 |
J | Does the patient have to be fed? | 0/1 |
K | Does the patient need to be turned, moved, or transferred? | 0/1 |
L | Does the patient wear a diaper or a catheter? | 0/1 |
M | Does the patient need to be tube fed? | 0/1 |
Dependence Scale Total Score
| /15 |
Level 0 | 0 to all items |
Level 1 | Either A, B, or C = 1 |
Level 2 | 2 of A, B, or C = 1 OR A or B = 2 OR D = 1 |
Level 3 | E, F, or G = 1 |
Level 4 | H, I, or J = 1 |
Level 5 | K, L, or M = 1 |
Psychometric properties of the Dependence Scale
Study | Population |
n
| Outcome |
---|---|---|---|
Stern et al. 1994 [3]: Predictors I study | Mild–moderate AD | 249 | Inter-rater reliability (interclass correlation), 0.99 for total score; internal consistency (Cronbach’s α), 0.66; significant correlation with CDR (r = 0.34) and mMMS (r = − 0.27) |
Lenderking et al. 2013 [10]: Predictors I + II studies | Mild-moderate AD | 460 | Internal consistency (Cronbach’s α), 0.72; construct validity, correlation with BDRS (r = 0.60), mMMS (r = − 0.30) |
Lenderking et al. 2013 [10]; DADE Study | Mild-moderate AD | 172 | Internal consistency (Cronbach’s α), 0.72; construct validity, significant correlation with MMSE (r = − 0.47), CDR-SB (r = − 0.64), DAD (r = − 0.72), and NPI (r = 0.21) |
Lenderking et al. 2013 [10]: ELN-AIP 901 study | Mild-moderate AD | 166 | Internal consistency (Cronbach’s α), 0.74; construct validity, significant correlation with MMSE (r = − 0.53), ADAS-cog (r = − 0.42), DAD (r = − 0.77), and NPI (r = 0.51) |
Wyrwich et al. 2014 [13] | Mild-moderate AD | 2334 | Internal consistency (Cronbach’s α), 0.66; construct validity, significant correlation with ADAS-cog (r = 0.36), MMSE (r = − 0.34), DAD (r = − 0.63), CDR-SB (r = 0.61), and NPI (r = 0.32); responsiveness, significant correlation with change scores on ADAS-cog, DAD, CDR-SB, and MMSE (baseline to week 78) |
Brickman et al. 2002 [18]: Predictors 1 study | Mild-moderate AD | 230 | Statistically significant change in total DS score over time (0.5 points per 6 month interval) (p < 0.001). |
Garre-Olmo et al. 2015 [14]: CoDep AD study* | Mild-severe AD | 343 | Internal consistency (Cronbach’s α), 0.85; significant correlation with DAD score (r = 0.900), CBI (r = 0.323), NPI (r = 0.374), and MMSE (r = 0.617) |