Table 4.
Linear Regression Models of Strategies Associated with Follow-up RSRR, Adjusted for Baseline RSRR and Weighted by Hospital Volume
| Estimate (95 % CI)# | |||
|---|---|---|---|
| Adjusted‡, § Overall sample (N = 475) | Below Median Baseline RSRR of Sample (≤ 23 %) (N = 236) | Above Median Baseline RSRR of Sample (> 23 %) (N = 239) | |
| Uptake | |||
| 0–2 strategies | REF | REF | REF |
| 3 or more strategiesll, ¶, ** | −0.40 (−0.74, −0.06)* | −0.53 (−1.07, −0.00)* | −0.47 (−0.92, −0.02)* |
| STAAR hospital (vs H2H) | 0.67 (0.13, 1.21)* | 0.38 (−0.43, 1.19) | 1.06 (0.33, 1.79)† |
| Hospital teaching status | |||
| Council of Teaching Hospitals member | −0.01 (−0.52, 0.49) | 0.29 (−0.42, 1.01) | −0.53 (−1.25, 0.18) |
| Has accredited residency training | −0.18 (−0.56, 0.20) | −0.26 (−0.79, 0.27) | −0.18 (−0.73, 0.38) |
| Non-teaching | REF | REF | REF |
| Number of staffed beds | |||
| < 200 beds | 0.56 (−0.05, 1.18) | 1.76 (0.91, 2.61)† | −0.53 (−1.43, 0.37) |
| 200–399 beds | 0.46 (−0.00, 0.91)* | 1.68 (1.03, 2.33)† | −0.56 (−1.20, 0.09) |
| 400–599 beds | 0.46 (0.02, 0.90)* | 1.26 (0.63, 1.90)† | −0.33 (−0.99, 0.32) |
| 600+ beds | REF | REF | REF |
| Census region | |||
| New England | −0.70 (−1.45, 0.06) | −0.52 (−1.63, 0.60) | −0.89 (−1.91, 0.13) |
| Middle Atlantic | REF | REF | REF |
| East North Central | −0.26 (−0.78, 0.26) | −0.49 (−1.33, 0.34) | −0.24 (−0.91, 0.44) |
| West North Central | −0.95 (−1.66, −0.25)† | −1.13 (−2.09, −0.16)* | −0.09 (−1.24, 1.06) |
| South Atlantic | −0.52 (−1.08, 0.04) | −0.16 (−1.02, 0.70) | −0.76 (−1.51, −0.01)* |
| East South Central | −0.71 (−1.40, −0.01)* | −0.95 (−2.02, 0.13) | −0.70 (−1.64, 0.23) |
| West South Central | −0.61 (−1.36, 0.13) | −0.55 (−1.65, 0.56) | −0.60 (−1.62, 0.43) |
| Mountain | −1.35 (−2.36, −0.33)† | −1.27 (−2.64, 0.09) | −1.34 (−2.83, 0.14) |
| Pacific | −0.57 (−1.28, 0.14) | −0.34 (−1.31, 0.62) | −1.21 (−2.44, 0.01) |
| Geographic location | |||
| Urban | REF | REF | REF |
| Suburban | −0.28 (−0.98, 0.41) | −0.36 (−1.28, 0.56) | 0.17 (−0.88, 1.23) |
| Rural | −0.34 (−1.22, 0.54) | −0.42 (−1.58, 0.74) | −0.61 (−2.00, 0.78) |
| Ownership type | |||
| For-profit | REF | REF | REF |
| Nonprofit | −0.52 (−1.04, −0.00)* | −0.45 (−1.21, 0.30) | −0.42 (−1.12, 0.29) |
| Government | 0.29 (−0.49, 1.08) | 0.40 (−0.71, 1.51) | 0.10 (−1.02, 1.22) |
| Multihospital affiliation | 0.42 (0.06, 0.79)* | 0.41 (−0.14, 0.96) | 0.56 (0.08, 1.04)* |
| Baseline RSRR (2010–2011) | 0.48 (0.38, 0.57)† | 0.20 (−0.03, 0.44) | 0.37 (0.18, 0.57)† |
| R-Squared / Adjusted R-Squared | 0.27 / 0.23 | 0.26 / 0.18 | 0.18 / 0.10 |
*p value < 0.05
† p value < 0.01
‡Adjusted model uses data from 475 hospitals due to missing variables in three observations
§Interaction with STAAR was nonsignificant
llUnadjusted association Estimate = 0.41; 95 % CI = −0.76, −0.07; p value = 0.019
¶In separate models, the number of strategies taken up was not significantly associated with follow-up RSRR adjusted for baseline RSRR
#All analyses use RSRR as a continuous variable
**The number of strategies in place at baseline was not significant in the unadjusted or adjusted models and does not meaningfully alter the results