Table 3.
Association between community-level social vulnerability and COVID-19 vaccine hesitancy at baseline SVI Domain.
|
Frequency n (%) |
Unadjusted risk ratio, RR (95% CI) | Adjusted risk ratio, aRR (95% CI)1,2,3,4 | |
|---|---|---|---|
| Overall | 212/456 (46.5) | ||
| Social Vulnerability Index (SVI) | |||
| Quartile 15 Quartile 2 Quartile 3 Quartile 4 |
28/114 (24.6) 42/111 (37.8) 64/116 (55.2) 78/115 (67.8) |
1.00 1.56 (1.03 to 2.34) 2.29 (1.58 to 3.31) 2.83 (1.99 to 4.04) |
1.00 1.46 (0.98 to 2.19) 1.86 (1.28 to 2.71) 2.24 (1.56 to 3.21) |
| Domains (1–4) | |||
| 1: Socioeconomic status | |||
| Quartile 1 Quartile 2 Quartile 3 Quartile 4 |
28/115 (24.4) 41/113 (36.3) 61/115 (53.0) 82/113 (72.6) |
1.00 1.53 (1.01 to 2.30) 2.22 (1.53 to 3.22) 3.05 (2.15 to 4.32) |
1.00 1.43 (0.95 to 2.14) 1.80 (1.23 to 2.63) 2.39 (1.66 to 3.43) |
| 2: Household composition and disability | |||
| Quartile 1 Quartile 2 Quartile 3 Quartile 4 |
33/118 (28.0) 39/114 (34.2) 62/113 (54.9) 78/111 (70.3) |
1.00 1.25 (0.84 to 1.84) 1.99 (1.4 to 2.79) 2.56 (1.85 to 3.52) |
1.00 1.22 (0.83 to 1.79) 1.76 (1.26 to 2.47) 2.05 (1.48 to 2.85) |
| 3: Minority status and language | |||
| Quartile 1 Quartile 2 Quartile 3 Quartile 4 |
59/114 (51.8) 41 (36.0) 45 (39.5) 67 (58.8) |
1.00 0.67 (0.49 to 0.91) 0.76 (0.57 to 1.01) 1.12 (0.89 to 1.42) |
1.00 0.63 (0.48 to 0.85) 0.73 (0.54 to 0.97) 1.00 (0.79 to 1.27) |
| 4: Housing type and transportation | |||
| Quartile 1 Quartile 2 Quartile 3 Quartile 4 |
38/115 (33.0) 51/113 (45.1) 54/114 (47.4) 69/114 (60.5) |
1.00 1.44 (1.02 to 2.03) 1.51 (1.08 to 2.12) 1.93 (1.41 to 2.64) |
1.00 1.30 (0.94 to 1.80) 1.37 (1.00 to 1.89) 1.65 (1.22 to 2.23) |
Abbreviations: SVI: social vulnerability index, RR: risk ratio, aRR: adjusted risk ratio, CI: confidence interval.
1
Model adjusted for: age, race and ethnicity, parity, trimester of pregnancy at baseline, and chronic comorbidities.
2
Unadjusted and adjusted risk ratios calculated using modified Poisson regression with robust error variance.
3
N = 456 in the unadjusted model and 453 in the adjusted model.
4
aRR per every one unit increase in SVI quartile.
5
Mean SVI value (0 to 1) by quartile among individuals with baseline data: <25%, 0.12; ≥25-49%, 0.43; ≥50-74%, 0.71; and ≥ 75–100%, 0.88.