Table 2: OADRI internal consistency and item means during three consecutive
moments of two impact trials
|
Clinical decision rule: Fever |
|
Clinical decision rule: Gastro-enteritis |
|
||||
|
Moment 1 |
Moment 2 |
Moment 3 |
all moments |
Moment 1 |
Moment 2 |
Moment 3 |
all moments |
|
|
|
|
|
|
|
|
|
n participants |
15 |
17 |
14 |
|
15 |
16 |
11 |
|
|
|
|
|
|
|
|
|
|
OADRI items 1-12 |
Mean (SD) |
Mean (SD) |
Mean (SD) |
|
Mean (SD) |
Mean (SD) |
Mean (SD) |
|
|
|
|
|
|
|
|
|
|
1. Easy to use |
4.70 (1.60) |
5.35 (1.17) |
5.64 (0.74) |
|
5.43 (0.90) |
5.56 (0.73) |
5.82 (0.40) |
|
2. Easy to remember |
4.57 (1.52) |
5.29 (0.99) |
5.54 (0.66) |
|
4.63 (1.42) |
5.38 (0.72) |
5.27 (1.19) |
|
3. Useful in my practice |
4.50 (1.48) |
5.12 (0.93) |
5.57 (0.76) |
|
5.00 (0.91) |
5.38 (0.62) |
5.36 (0.81) |
|
4. Wording is clear and unambiguous |
5.43 (1.18) |
5.41 (0.80) |
5.79 (0.43) |
|
5.37 (0.97) |
5.56 (0.81) |
5.73 (0.65) |
|
5. My colleagues supports use of the rule |
4.63 (1.41) |
4.97 (1.40) |
4.89 (0.88) |
|
4.60 (1.49) |
5.22 (0.66) |
4.55 (1.11) |
|
6. Patients benefit from use of the rule |
3.70 (1.52) |
5.03 (0.94) |
5.14 (0.77) |
|
4.27 (1.19) |
4.84 (0.98) |
5.00 (0.77) |
|
7. Results in improved use of resources |
3.80 (2.17) |
5.03 (0.72) |
5.04 (1.05) |
|
4.03 (1.65) |
4.53 (1.10) |
5.00 (1.00) |
|
8. Would increase the chance of lawsuits (reversed) |
4.53 (1.38) |
4.62 (1.26) |
4.64 (1.17) |
|
4.23 (1.47) |
4.44 (1.26) |
4.64 (1.07) |
|
9. Evidence supporting the rule is flawed (reversed) |
3.90 (1.04) |
4.29 (1.20) |
3.64 (1.13) |
|
3.33 (1.10) |
4.06 (1.17) |
3.36 (0.81) |
|
10. Using another rule or similar strategy
(reversed) |
5.30 (1.39) |
5.50 (1.00) |
5.57 (0.85) |
|
5.17 (1.36) |
5.63 (0.89) |
4.50 (1.43) |
|
11. Does not account for important clinical cue (reversed) |
4.67 (1.52) |
3.97 (1.22) |
3.75 (1.42) |
|
4.80 (1.50) |
4.06 (1.22) |
3.32 (1.45) |
|
12. Environment I work in makes it difficult
to use (reversed) |
3.07 (1.49) |
4.71 (1.36) |
4.50 (1.45) |
|
3.80 (1.73) |
4.50 (1.46) |
5.00 (1.18) |
|
|
|
|
|
|
|
|
|
|
|
Mean (SD) |
Mean (SD) |
Mean (SD) |
p-value* |
Mean (SD) |
Mean (SD) |
Mean (SD) |
p-value* |
Category I: aspects of the innovation^ |
4.80 (0.98) |
5.29 (0.83) |
5.54 (0.63) |
0.020 |
5.11 (0.79) |
5.47 (0.64 ) |
5.55 (0.71) |
0.113 |
Category II: decision maker^ |
4.12 (1.19) |
4.59 (0.77) |
4.44 (0.59) |
0.324 |
4.13 (1.09) |
4.39 (0.88) |
4.26 (0.53) |
0.665 |
Category III: environment^ |
4.33 (1.04) |
5.06 (0.85) |
4.99 (0.66) |
0.048 |
4.52 (1.06) |
5.11 (0.63) |
4.55 (0.86) |
0.796 |
|
|
|
|
|
|
|
|
|
Total mean (SD) per moment |
4.40 (0.86) |
4.94 (0.67) |
4.97 (0.39) |
0.026 |
4.56 (0.92) |
4.93
(0.62) |
4.84
(0.31) |
0.260 |
Higher mean item scores
indicate greater acceptability
^Category I: mean of OADRI items 1-4; Category II: mean
of OADRI items 6-9, 11; Category III: mean of OADRI items 5 10, 12
*Linear regression analysis