From: Response rate of patient reported outcomes: the delivery method matters
Stringent | Intention to treat | As treated | ||||||
---|---|---|---|---|---|---|---|---|
OR | 95%CI | OR | 95% CI | OR | 95% CI | |||
Delivery method | ||||||||
N = 202 | 0.24 | (0.14–0.41) | 0.32 | (0.21–0.60) | N = 201 | 0.27 | (0.16–0.45) | |
Hybrid | N = 204 | 0.34 | (0.22–0.54) | 0.77 | (0.49–1.21) | N = 151 | 0.45 | (0.28–0.71) |
Mail (reference) | N = 196 | – | – | N = 250 | – | |||
Sex (female reference) | 1.16 | (0.82–1.64) | 1.08 | (0.77–1.52) | 1.11 | (0.79–1.56) | ||
Age | ||||||||
< 50 yrs. | 1.20 | (0.47–3.08) | 0.79 | (0.32–1.96) | 0.81 | (0.32–2.03) | ||
50–59 yrs. | 1.54 | (0.77–3.07) | 1.16 | (0.60–2.23) | 1.13 | (0.58–2.18) | ||
60–69 yrs. | 2.16 | (1.13–4.01) | 1.49 | (0.81–2.72) | 1.48 | (0.80–2.74) | ||
70–79 yrs. | 1.43 | (0.76–2.69) | 1.69 | (0.94–3.06) | 1.49 | (0.81–2.71) | ||
> 79 yrs. (reference) | – | – | – | |||||
Education level | ||||||||
Low | 0.45 | (0.29–0.69) | 0.47 | (0.31–0.72) | 0.48 | (0.31–0.73) | ||
Middle | 0.87 | (0.57–1.33) | 0.75 | (0.48–1.14) | 0.76 | (0.50–1.17) | ||
High (reference) | – | – | – | |||||
Time since the last visit | ||||||||
< 5 yrs. | 0.45 | (0.18–1.12) | 0.68 | (0.28–1.72) | 0.77 | (0.31–1.87) | ||
≥ 5 yrs. (reference) | – | – | – | |||||
Interaction term | ||||||||
time last visit x delivery method | 0.55 | (0.36–0.84) | 0.67 | (0.43–1.03) | 0.72 | (0.48–1.08) | ||
Model χ2 | < 0.001 | < 0.001 | < 0.001 | |||||
Hosmer and Lemeshow | 0.43 | 0.51 | 0.18 |