Table 3.
Univariable logistic regression model: prevalence of patients with omissions of all medicines and χ2 tests
Variable | Omissions (excluding VCR) | χ2 Test | Omissions excluding (VCR and PR) | χ2 Test | ||||
Observed prevalence (%) | OR (95% CI) | Sig. | Observed prevalence (%) | OR (95% CI) | Sig. | |||
Gender | ||||||||
Male | 791/2766 (29) | 1.00 (reference) | – | χ2 (1)=5.619, p=0.018 | 404/2766 (15) | 1.00 (reference) | – | χ2 (1)=0.139, p=0.709 |
Female | 926/2942 (32) | 1.15 | 0.018 | 448/2942 (15) | 1.02 (0.92 to 1.14) | 0.709 | ||
Patient age group | ||||||||
<18* | 10/84 (12) | 1.00 (reference) | – | χ2 (5)=18.581, p=0.002 | 7/84 (8) | 1.00 (reference) | – | χ2 (5)=18.581, p=0.002 |
18–24 | 27/109 (25) | 2.44 | 0.027 | 10/109 (9) | 2.76 (1.30 to 5.88) | 0.009 | ||
25–44 | 140/453 (31) | 3.31 (1.66 to 6.60) | 0.001 | 61/453 (14) | 4.54 (2.34 to 8.79) | 0.000 | ||
45–59 | 219/692 (32) | 3.43 (1.74 to 6.76) | 0.000 | 108/692 (16) | 3.92 (2.04 to 7.53) | 0.000 | ||
60–74 | 406/1373 (30) | 3.11 (1.59 to 6.07) | 0.001 | 178/1373 (13) | 3.54 (1.86 to 6.75) | 0.000 | ||
>75 | 915/2997 (31) | 3.25 (1.63 to 6.32) | 0.001 | 488/2997 (16) | 3.83 (2.02 to 7.25) | 0.000 | ||
Patients’ number of medicines group | ||||||||
1–4* | 185/984 (19) | 1.00 (reference) | – | χ2 (4)=115.877, p<0.001 | 76/984 (8) | 1.00 (reference) | – | χ2 (4)=30.383, p<0.001 |
5–9 | 669/2352 (28) | 1.72 (1.43 to 2.06) | 0.000 | 326/2352 (14) | 1.77 (1.50 to 2.10) | 0.000 | ||
10–14 | 616/1753 (35) | 2.34 (1.94 to 2.82) | 0.000 | 331/1753 (19) | 2.13 (1.79 to 2.54) | 0.000 | ||
15–19 | 206/519 (40) | 2.84 (2.24 to 3.61) | 0.000 | 100/519 (19) | 2.23 (1.78 to 2.81) | 0.000 | ||
>20 | 41/100 (41) | 3.001 (1.95 to 4.61) | 0.000 | 19/100 (19) | 2.67 (1.76 to 4.06) | 0.000 | ||
Ward specialty | ||||||||
Medical | 929/3434 (27) | 1.00 (reference) | – | χ2 (2)=48.269, p<0.001 | 512/3434 (15) | 1.00 (reference) | – | χ2 (2)=34.091, p<0.001 |
Surgical | 743/2086 (36) | 1.49 (1.33 to 1.68) | 0.000 | 326/2086 (16) | 1.32 (1.18 to 1.48) | 0.000 | ||
Other | 45/188 (24) | 0.85 (0.60 to 1.20) | 0.348 | 14/188 (7) | 0.65 (0.46 to 0.91) | 0.011 | ||
Medicines reconciliation | ||||||||
Initiated | 1169/4053 (29) | 1.00 (reference) | – | χ2 (1)=10.176, p=0.001 | 580/4053 (14) | 1.00 (reference) | – | χ2 (1)=16.427, p<0.001 |
Not initiated | 548/1655 (33) | 1.22 (1.09 to 1.38) | 0.000 | 272/1655 (16) | 1.28 (1.14 to 1.44) | 0.000 | ||
Total prevalence | 1717/5708 (30) | 852/5708 (15) |
*Reference group for each predictor.
†Medicines reconciliation initiation: medicines reconciliation has been initiated since admission to the ward at the time of survey.
PR, patient refusal; Sig., significance; VCR, valid clinical reason.