Article Figures & Data
Tables
Variable All Patients, n=951 Age, years, mean ± SD 61.2 ± 14.2 American Society of Anesthesiologists physical status classification ≥3 413 (43.4) Non-White racea 117 (12.7) Above the Maryland median household incomeb 161 (17.4) Surgery performed Decompressive laminectomy without fusion 484 (50.9) Decompressive laminectomy with instrumented posterolateral fusion 467 (49.1) Outcomes Length of stay, hours, mean ± SD 46.7 ± 47.0 Discharge to skilled nursing facility 57 (6.0) 30-day emergency department return 65 (6.8) 30-day readmission 28 (2.9) Social Determinant Patient Responses, n Prevalence, n (%) Exercises 3 or more times per week 280 122 (43.6) High levels of stress 306 22 (7.2) Attends church 253 137 (54.2) Currently married or has a life partner 283 211 (74.6) Experienced spousal abuse (physical, emotional, or sexual) 273 9 (3.3) Financial strain (somewhat hard or worse) 294 58 (19.7) Above high school education 225 163 (72.4) Has any food worry 292 35 (12.0) Has any transportation problem 295 9 (3.1) Drinks alcohol 4 or more days per week 816 129 (15.8) Race Household Income Social Determinant White Race Non-White Race P Value Below Median Above Median P Value Exercises 3 or more times per week 109/249 (43.8) 13/31 (41.9) 0.846 108/227 (47.6) 14/48 (29.2) 0.020 High levels of stress 16/268 (6.0) 5/38 (13.2) 0.158a 20/249 (8.0) 2/50 (4.0) 0.551a Attends church 115/223 (51.6) 22/30 (73.3) 0.025 119/213 (55.9) 15/37 (40.5) 0.084 Currently married or has a life partner 190/250 (76.0) 21/33 (63.6) 0.125 169/231 (73.2) 35/47 (74.5) 0.853 Experienced spousal abuse (physical, emotional, or sexual) 7/243 (2.9) 2/30 (6.7) 0.259a 8/223 (3.6) 1/45 (2.2) 1.000a Financial strain (somewhat hard or worse) 47/256 (18.4) 11/38 (28.9) 0.126 50/239 (20.9) 8/49 (16.3) 0.465 Above high school education 145/200 (72.5) 18/25 (72.0) 0.958 133/182 (73.1) 27/39 (69.2) 0.626 Has any food worry 25/256 (9.8) 9/36 (25.0) 0.022a 31/237 (13.1) 4/48 (8.3) 0.361 Has any transportation problem 6/258 (2.3) 3/37 (8.1) 0.090a 8/240 (3.3) 1/49 (2.0) 1.000a Drinks alcohol 4 or more days per week 122/719 (17.0) 7/97 (7.2) 0.013 117/668 (17.5) 10/149 (6.7) 0.001 ↵aFisher exact test. Fisher exact test was performed when >20% of cells had an expected count <5. Chi-square test was performed in analyses without superscript notation.
Notes: Data are presented as number of patients with the social determinant of health/number of eligible respondents (eg, patients responding to the social determinant of health question and with race or household income data available). Statistically significant values are shown in bold.
- Table 4.
Multivariate Linear and Logistic Regression of Outcomes by Household Income Status and Social Determinants of Health After Controlling for Age, American Society of Anesthesiologists Classification, and Surgery Type
Household Income Status/Social Determinant LOS, Hours, β Discharge to SNF, Odds Ratio 30-Day ED Return, Odds Ratio 30-Day Readmission, Odds Ratio Above the Maryland median household income –3.6 (P=0.313) 2.216 (P=0.018) 0.576 (P=0.180) 0.364 (P=0.174) Exercises 3 or more times per week –8.1 (P=0.105) 0.218 (P=0.058) 1.277 (P=0.631) 1.118 (P=0.871) High levels of stress 4.3 (P=0.653) 0.000 (P=0.998) 0.000 (P=0.998) 3.004 (P=0.217) Attends church 5.9 (P=0.261) 0.776 (P=0.675) 0.250 (P=0.021) 1.402 (P=0.602) Currently married or has a life partner –23.4 (P<0.001) 0.183 (P=0.005) 0.908 (P=0.859) 0.701 (P=0.573) Experienced spousal abuse (physical, emotional, or sexual) –10.2 (P=0.452) 0.000 (P=0.999) 0.000 (P=0.999) 0.000 (P=0.999) Financial strain (somewhat hard or worse) 14.3 (P=0.022) 0.000 (P=0.997) 2.285 (P=0.133) 0.754 (P=0.732) Above high school education –6.5 (P=0.297) 0.834 (P=0.783) 0.566 (P=0.357) >100 (P=0.997) Has any food worry 0.7 (P=0.927) 0.858 (P=0.889) 1.558 (P=0.513) 0.000 (P=0.998) Has any transportation problem 21.1 (P=0.135) 5.820 (P=0.140) 2.338 (P=0.450) 3.469 (P=0.281) Drinks alcohol 4 or more days per week –1.5 (P=0.704) 0.498 (P=0.138) 0.635 (P=0.316) 0.656 (P=0.509) Note: Statistically significant values are shown in bold.
ED, emergency department; LOS, length of stay; SNF, skilled nursing facility.