Table 2 Multivariable linear regressions for ZBI scores of different models
From: Predictors of caregiver burden in aged caregivers of demented older patients
| Â | Model 1 | Model 2 (NPI_severity_total) | Model 3(NPI_severity) | |||
|---|---|---|---|---|---|---|
β(95% C.I) | P value | β(95% C.I) | P value | β(95% C.I) | P value | |
Pt_Age | −0.34 (− 0.72 to 0.04) | 0.080 | −0.34 (− 0.71 to 0.02) | 0.066 | −0.27 (− 0.63 to 0.10) | 0.151 |
Pt_Sex, Male | 2.25 (−5.26 to 9.77) | 0.555 | 0.47 (−6.75 to 7.69) | 0.899 | 0.45 (− 6.76 to 7.67) | 0.902 |
Pt_Education, yr | −0.33 (− 0.86 to 0.21) | 0.232 | − 0.34 (− 0.86 to 0.17) | 0.185 | −0.37 (− 0.88 to 0.14) | 0.157 |
Caregiver_Age | −0.23 (− 0.62 to 0.16) | 0.253 | −0.15 (− 0.53 to 0.22) | 0.417 | −0.24 (− 0.62 to 0.14) | 0.211 |
Caregiver_Sex, Male | −4.99 (− 13.06 to 3.08) | 0.225 | − 6.58 (− 14.32 to 1.16) | 0.095 | − 5.62 (− 13.35 to 2.11) | 0.153 |
Caregiver_Education,yr | 0.47 (− 0.07 to 1.02) | 0.088 | 0.39 (− 0.13 to 0.92) | 0.141 | 0.32 (− 0.21 to 0.85) | 0.241 |
Relasionship | ||||||
 Spouse | 0.00 (reference) |  | 0.00 (reference) |  | 0.00 (reference) |  |
 Offspring | 7.08 (−4.46 to 18.61) | 0.228 | 6.69 (−4.35 to 17.73) | 0.234 | 4.19 (−6.92 to 15.29) | 0.459 |
 Others | −5.80 (−16.91 to 5.30) | 0.305 | −7.79 (− 18.44 to 2.87) | 0.151 | −7.44 (− 18.17 to 3.30) | 0.174 |
Live together, yes | 7.25 (− 1.30 to 15.80) | 0.096 | 4.81 (−3.42 to 13.05) | 0.251 | 3.80 (−4.47 to 12.08) | 0.367 |
Family income | ||||||
 < 30,000 NTD | 0.00 (reference) |  | 0.00 (reference) |  | 0.00 (reference) |  |
 30,000 ~ 100,000 NTD | 2.05 (− 2.35 to 6.46) | 0.360 | 2.38 (−1.84 to 6.60) | 0.268 | 2.34 (−1.84 to 6.53) | 0.271 |
 > 100,000 NTD | −9.54 (−17.02 to − 2.06) | 0.013* | −9.29 (− 16.45 to − 2.14) | 0.011* | −8.99 (− 16.08 to − 1.90) | 0.013* |
MMSE | −0.22 (− 0.65 to 0.22) | 0.329 | − 0.22 (− 0.64 to 0.19) | 0.294 | − 0.28 (− 0.70 to 0.14) | 0.185 |
CDR | − 0.75 (−4.47 to 2.97) | 0.692 | − 2.81 (− 6.45 to 0.83) | 0.130 | −3.91 (−7.62 to − 0.20 | 0.039* |
IADL | 0.96 (0.50 to 1.41) | < 0.001* | 0.94 (0.51 to 1.38) | < 0.001* | 1.00 (0.55 to 1.45) | < 0.001* |
Drinking, yes | −5.18 (− 17.57 to 7.21) | 0.411 | −3.36 (− 15.23 to 8.51) | 0.578 | −4.13 (− 15.87 to 7.61) | 0.489 |
Smoking,yes | − 0.84 (− 8.18 to 6.51) | 0.823 | −1.26 (− 8.29 to 5.77) | 0.725 | − 0.30 (−7.43 to 6.83) | 0.934 |
Physical activity in 7 days | ||||||
 Vigorous activities,yes | 0.63 (−6.60 to 7.87) | 0.863 | 0.71 (−6.21 to 7.63) | 0.840 | 1.58 (− 5.38 to 8.53) | 0.656 |
 Moderate activities,yes | −3.20 (−8.67 to 2.27) | 0.251 | −1.69 (−6.95 to 3.58) | 0.528 | −1.25 (−6.49 to 4.00) | 0.640 |
 Walking,yes | 1.23 (−3.68 to 6.14) | 0.622 | 2.29 (−2.43 to 7.00) | 0.341 | 1.30 (−3.52 to 6.13) | 0.595 |
 Sitting,yes | 7.94 (−26.57 to 42.44) | 0.651 | −1.75 (−34.95 to 31.45) | 0.917 | 2.65 (−30.83 to 36.13) | 0.876 |
Physical diseases | ||||||
 Hypertension | −1.75 (−5.90 to 2.40) | 0.407 | −1.03 (− 5.01 to 2.95) | 0.611 | −1.79 (− 5.76 to 2.18) | 0.375 |
 Diabetes | 0.87 (−3.50 to 5.23) | 0.696 | 1.52 (−2.67 to 5.70) | 0.476 | 1.93 (−2.32 to 6.19) | 0.371 |
 Hyperlipidemia | −0.06 (−4.77 to 4.64) | 0.979 | 0.82 (−3.69 to 5.34) | 0.719 | 0.37 (−4.13 to 4.86) | 0.872 |
 Ischemic stroke | 0.22 (−6.71 to 7.15) | 0.951 | 0.01 (− 6.62 to 6.64) | 0.998 | −0.42 (−7.05 to 6.20) | 0.900 |
 Hemorrhagic stroke | 0.03 (−10.16 to 10.22) | 0.995 | 0.69 (−9.06 to 10.44) | 0.889 | −1.05 (− 10.76 to 8.66) | 0.831 |
 Transient Ischemic Attack | 1.09 (−5.71 to 7.88) | 0.753 | 0.91 (−5.59 to 7.42) | 0.782 | 1.38 (−5.08 to 7.83) | 0.675 |
 Head trauma | 4.01 (−4.81 to 12.84) | 0.371 | 1.44 (−7.05 to 9.94) | 0.738 | −0.97 (−9.71 to 7.77) | 0.828 |
 CAD | 2.58 (−6.35 to 11.52) | 0.570 | 1.94 (−6.62 to 10.49) | 0.656 | 2.89 (−5.84 to 11.61) | 0.516 |
 Heart failure | −3.76 (−17.79 to 10.27) | 0.599 | −2.59 (−16.02 to 10.84) | 0.704 | −5.97 (− 19.40 to 7.46) | 0.382 |
 MDD | −1.34 (− 13.32 to 10.65) | 0.826 | −5.62 (− 17.20 to 5.95) | 0.340 | −6.08 (− 17.90 to 5.73) | 0.312 |
 Anxiety | 6.54 (−3.58 to 16.66) | 0.205 | 3.37 (−6.38 to 13.13) | 0.496 | 5.32 (−5.12 to 15.75) | 0.317 |
 NPI_Total |  |  | 1.09 (0.69 to 1.49) | < 0.001* | N/A |  |
 NPI_Delusion |  |  |  |  | 1.26 (−1.57 to 4.10) | 0.380 |
 NPI_Hallucination |  |  |  |  | −2.03 (−5.21 to 1.15) | 0.211 |
 NPI_Agitation |  |  |  |  | 0.99 (−2.09 to 4.08) | 0.526 |
 NPI_Depression |  |  |  |  | −3.03 (−6.00 to −0.06) | 0.046* |
 NPI_Anxiety |  |  |  |  | 2.84 (−0.16 to 5.84) | 0.063 |
 NPI_Euphoria |  |  |  |  | 5.82 (−0.28 to 11.91) | 0.061 |
 NPI_Apathy |  |  |  |  | 3.70 (1.47 to 5.93) | 0.001* |
 NPI_Disinhibition |  |  |  |  | 0.63 (−2.83 to 4.09) | 0.721 |
 NPI_Irritability |  |  |  |  | 3.33 (0.30 to 6.36) | 0.031* |
 NPI_Aberrant motor acitivity |  |  |  |  | −0.83 (−4.35 to 2.70) | 0.644 |
 NPI_Night |  |  |  |  | 1.25 (−0.72 to 3.22) | 0.214 |
 NPI_Appetite |  |  |  |  | 1.97 (−0.76 to 4.69) | 0.157 |