Table 9.
Socio-Demographic and Clinical Predictors of LUNSERS Score Using Two-Step Hierarchical Multiple Regression Model
| Predictors | b (95% CI) | SE (B) | β | P-value | |
|---|---|---|---|---|---|
| Step 1 | Intercept | 16.09 (9.54–22.64) | 3.32 | <0.001 | |
| Gendera | 2.94 (−2.16–8.04) | 2.59 | 0.08 | 0.258 | |
| Smokingb | 7.78 (1.62–13.95) | 3.13 | 0.17 | 0.014 | |
| Education – Middlec | 1.04 (−6.46–8.53) | 3.80 | 0.02 | 0.785 | |
| Education – Secondaryd | 7.67 (0.99–14.34) | 3.39 | 0.21 | 0.025 | |
| Education – Highere | 5.35 (−3.06–13.77) | 4.27 | 0.11 | 0.211 | |
| Antipsychotic dose | 0.02 (0.00–0.03) | 0.01 | 0.13 | 0.035 | |
| Step 2 | |||||
| Intercept | 13.62 (6.43–20.81) | 3.65 | <0.001 | ||
| Gendera | 2.69 (−2.41–7.79) | 2.59 | 0.07 | 0.300 | |
| Smokingb | 7.00 (0.76–13.25) | 3.17 | 0.15 | 0.028 | |
| Education – Middlec | 1.57 (−5.94–9.07) | 3.81 | 0.04 | 0.681 | |
| Education – Secondaryd | 8.36 (1.65–15.07) | 3.41 | 0.23 | 0.015 | |
| Education – Highere | 5.96 (−2.47–14.39) | 4.28 | 0.12 | 0.165 | |
| Antipsychotic dose | 0.01 (−0.01–0.03) | 0.01 | 0.09 | 0.269 | |
| Number of Antipsychoticsf | 1.60 (−4.32–7.51) | 3.00 | 0.04 | 0.569 | |
| Duration of illness | 0.02 (−0.00–0.04) | 0.01 | 0.11 | 0.094 | |
Notes: b (95% CI), unstandardized coefficient and the corresponding 95% CI; SE (B), standard error of the coefficient; β, standardized coefficient. R2=0.086 for step 1, Δ R2=0.011 for step 2. Dummy coding: aCoded female=0, male=1; bCoded no=0, yes=1; cCoded middle=1, otherwise=0; dCoded secondary=1, otherwise=0; eCoded higher=1, otherwise=0; fCoded 0=single, 1=multiple.