Table 4 Analysis of differential item functioning for the 23-item UJA Alzheimer’s care scale
Nursing students/Nursing staff (reference group) N = 653 | RNs/ANs and eldercare workers (reference group) N = 283 | |||
|---|---|---|---|---|
Item | OR (95% CI) | DIF* | OR (95% CI) | DIF |
1 | 1.26 (0.89–1.76) | 1.26 (0.62–2.56) | ||
2 | 0.25 (0.17–0.36) | + | 0.23 (0.11–0.46) | + |
3 | 1.39 (0.99–1.95) | 1.96 (0.98–3.93) | ||
4 | 2.52 (1.77–3.59) | – | 1.97 (0.85–4.55) | |
5 | 0.39 (0.24–0.62) | + | 0.49 (0.13–1.84) | |
6 | 0.57 (0.36–0.85) | 0.27 (0.08–0.86) | ||
7 | 2.23 (1.54–3.22) | – | 1.31 (0.55–3.11) | |
8 | 0.54 (0.38–0.77) | 1.64 (0.82–3.27) | ||
9 | 2.29 (1.21–4.33) | 0.00 (0–0) | ||
10 | 0.52 (0.28–0.98) | 0.29 (0.04–2.11) | ||
11 | 1.40 (0.89–2.22) | 1.19 (0.48–2.98) | ||
12 | 3.95 (2.72–5.72) | – | 2.89 (1.28–6.57) | |
13 | 1.38 (0.97–1.96) | 1.26 (0.65–2.45) | ||
14 | 0.34 (0.15–0.78) | 0.00 (0–0) | ||
15 | 2.13 (1.47–3.08) | 0.61 (0.30–1.23) | ||
16 | 0.58 (0.29–1.14) | 0.41 (0.02–7.44) | ||
17 | 0.74 (0.43–1.26) | 2.34 (0.85–6.40) | ||
18 | 0.59 (0.42–0.84) | 0.87 (0.45–1.68) | ||
19 | 0.68 (0.35–1.31) | 2.19 (0.55–8.72) | ||
20 | 0.87 (0.60–1.24) | 1.09 (0.55–2.16) | ||
21 | 0.40 (0.20–0.81) | 2.07 (0.36–11.74) | ||
22 | 1.47 (0.79–2.76) | 2.45 (0.48–12.56) | ||
23 | 1.22 (0.83–1.79) | 0.72 (0.39–1.35) | ||