Table 1.
Logistic regression: variables predicting likelihood of high burden on caregivers of patients with ALS
| Variable | B | S.E. | Wald | df | p | O.R. |
95% CI for O.R. |
|
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Abnormal behavior (CBI-R) |
0.37 |
0.13 |
8.36 |
1 |
0.004* |
1.44 |
1.13 |
1.85 |
| Eating habits (CBI-R) |
0.02 |
0.17 |
0.02 |
1 |
0.894 |
1.02 |
0.74 |
1.41 |
| Stereotypic & motor behaviors (CBI-R) |
0.10 |
0.11 |
0.79 |
1 |
0.376 |
1.10 |
0.89 |
1.36 |
| Motivation (CBI-R) |
0.04 |
0.06 |
0.34 |
1 |
0.555 |
1.04 |
0.92 |
1.18 |
| Depression (DASS) |
0.06 |
0.06 |
1.36 |
1 |
0.243 |
1.07 |
0.96 |
1.19 |
| Anxiety (DASS) |
−0.08 |
0.04 |
3.88 |
1 |
0.051 |
0.93 |
0.86 |
1.00 |
| Stress (DASS) |
0.12 |
0.052 |
5.10 |
1 |
0.024* |
1.12 |
1.02 |
1.25 |
| Bulbar (ALSFRS-R) |
−0.07 |
0.08 |
0.76 |
1 |
0.384 |
0.93 |
0.79 |
1.1 |
| Fine motor (ALSFRS-R) |
−0.14 |
0.10 |
1.97 |
1 |
0.167 |
0.87 |
0.71 |
1.06 |
| Gross motor (ALSFRS-R) |
0.79 |
0.11 |
0.50 |
1 |
0.478 |
1.08 |
0.87 |
1.35 |
| Respiratory (ALSFRS-R) |
−0.00 |
0.11 |
0.00 |
1 |
0.975 |
0.10 |
0.80 |
1.24 |
| Constant | −2.11 | 1.22 | 2.99 | 1 | 0.84 | 0.121 | ||
The caregiver burden was explained predominantly by the presence of abnormal behavior (in patients) and stress (in caregivers). * = statistically significant.