| Characteristic . | Enrolled, No. (%) (n = 251) . | Nonenrolled, No. (%) (n = 537) . | P Value . |
|---|---|---|---|
| Sexa, male | 123 (49.0) | 258 (49.3) | .99 |
| Raceb | .07 | ||
| White | 199 (80.9) | 356 (77.5) | |
| Black | 22 (8.9) | 30 (6.5) | |
| Other | 25 (10.2) | 73 (15.9) | |
| Hispanic ethnicityc | 156 (62.2) | 297 (60.0) | .57 |
| Hospitalizedd | 164 (66.1) | 305 (67.6) | .69 |
| Died | 0 | 7 (1.3) | … |
| State | .0001 | ||
| California | 172 (68.5) | 418 (77.8) | |
| Connecticut | 14 (5.6) | 9 (1.7) | |
| Minnesota | 19 (7.6) | 30 (5.6) | |
| New Mexico | 22 (8.7) | 17 (3.2) | |
| New York | 12 (4.8) | 42 (7.8) | |
| Oregon | 12 (4.8) | 21 (3.9) | |
| Case classificatione | .31 | ||
| Laboratory confirmed | 235 (93.6) | 492 (91.6) | |
| Epidemiologically linked | 1 (0.4) | 9 (1.7) | |
| Clinically compatible | 15 (6.0) | 35 (6.5) | |
| Insurance typef | .05 | ||
| Medicaid or no insurance | 131 (59.8) | 299 (67.5) | |
| Private, self-pay, or other | 88 (40.2) | 144 (32.5) | |
| Maternal educationg | .001 | ||
| High school or less | 120 (53.6) | 295 (66.6) | |
| More than high school | 104 (46.4) | 148 (33.4) |
| Characteristic . | Enrolled, No. (%) (n = 251) . | Nonenrolled, No. (%) (n = 537) . | P Value . |
|---|---|---|---|
| Sexa, male | 123 (49.0) | 258 (49.3) | .99 |
| Raceb | .07 | ||
| White | 199 (80.9) | 356 (77.5) | |
| Black | 22 (8.9) | 30 (6.5) | |
| Other | 25 (10.2) | 73 (15.9) | |
| Hispanic ethnicityc | 156 (62.2) | 297 (60.0) | .57 |
| Hospitalizedd | 164 (66.1) | 305 (67.6) | .69 |
| Died | 0 | 7 (1.3) | … |
| State | .0001 | ||
| California | 172 (68.5) | 418 (77.8) | |
| Connecticut | 14 (5.6) | 9 (1.7) | |
| Minnesota | 19 (7.6) | 30 (5.6) | |
| New Mexico | 22 (8.7) | 17 (3.2) | |
| New York | 12 (4.8) | 42 (7.8) | |
| Oregon | 12 (4.8) | 21 (3.9) | |
| Case classificatione | .31 | ||
| Laboratory confirmed | 235 (93.6) | 492 (91.6) | |
| Epidemiologically linked | 1 (0.4) | 9 (1.7) | |
| Clinically compatible | 15 (6.0) | 35 (6.5) | |
| Insurance typef | .05 | ||
| Medicaid or no insurance | 131 (59.8) | 299 (67.5) | |
| Private, self-pay, or other | 88 (40.2) | 144 (32.5) | |
| Maternal educationg | .001 | ||
| High school or less | 120 (53.6) | 295 (66.6) | |
| More than high school | 104 (46.4) | 148 (33.4) |
aCalculated from those with known sex (n = 251 enrolled; n = 523 nonenrolled).
bCalculated from those with known race (n = 246 enrolled; n = 459 nonenrolled).
cCalculated from those with known ethnicity (n = 251 enrolled; n = 495 nonenrolled).
dCalculated from those with known hospitalization status (n = 248 enrolled; n = 451 nonenrolled).
eCalculated from those with known case classification (n = 251 enrolled; n = 536 nonenrolled).
fCalculated from those with known insurance type (n = 219 enrolled; n = 443 nonenrolled).
gCalculated from those with known maternal education (n = 224 enrolled; n = 443 nonenrolled).
| Characteristic . | Enrolled, No. (%) (n = 251) . | Nonenrolled, No. (%) (n = 537) . | P Value . |
|---|---|---|---|
| Sexa, male | 123 (49.0) | 258 (49.3) | .99 |
| Raceb | .07 | ||
| White | 199 (80.9) | 356 (77.5) | |
| Black | 22 (8.9) | 30 (6.5) | |
| Other | 25 (10.2) | 73 (15.9) | |
| Hispanic ethnicityc | 156 (62.2) | 297 (60.0) | .57 |
| Hospitalizedd | 164 (66.1) | 305 (67.6) | .69 |
| Died | 0 | 7 (1.3) | … |
| State | .0001 | ||
| California | 172 (68.5) | 418 (77.8) | |
| Connecticut | 14 (5.6) | 9 (1.7) | |
| Minnesota | 19 (7.6) | 30 (5.6) | |
| New Mexico | 22 (8.7) | 17 (3.2) | |
| New York | 12 (4.8) | 42 (7.8) | |
| Oregon | 12 (4.8) | 21 (3.9) | |
| Case classificatione | .31 | ||
| Laboratory confirmed | 235 (93.6) | 492 (91.6) | |
| Epidemiologically linked | 1 (0.4) | 9 (1.7) | |
| Clinically compatible | 15 (6.0) | 35 (6.5) | |
| Insurance typef | .05 | ||
| Medicaid or no insurance | 131 (59.8) | 299 (67.5) | |
| Private, self-pay, or other | 88 (40.2) | 144 (32.5) | |
| Maternal educationg | .001 | ||
| High school or less | 120 (53.6) | 295 (66.6) | |
| More than high school | 104 (46.4) | 148 (33.4) |
| Characteristic . | Enrolled, No. (%) (n = 251) . | Nonenrolled, No. (%) (n = 537) . | P Value . |
|---|---|---|---|
| Sexa, male | 123 (49.0) | 258 (49.3) | .99 |
| Raceb | .07 | ||
| White | 199 (80.9) | 356 (77.5) | |
| Black | 22 (8.9) | 30 (6.5) | |
| Other | 25 (10.2) | 73 (15.9) | |
| Hispanic ethnicityc | 156 (62.2) | 297 (60.0) | .57 |
| Hospitalizedd | 164 (66.1) | 305 (67.6) | .69 |
| Died | 0 | 7 (1.3) | … |
| State | .0001 | ||
| California | 172 (68.5) | 418 (77.8) | |
| Connecticut | 14 (5.6) | 9 (1.7) | |
| Minnesota | 19 (7.6) | 30 (5.6) | |
| New Mexico | 22 (8.7) | 17 (3.2) | |
| New York | 12 (4.8) | 42 (7.8) | |
| Oregon | 12 (4.8) | 21 (3.9) | |
| Case classificatione | .31 | ||
| Laboratory confirmed | 235 (93.6) | 492 (91.6) | |
| Epidemiologically linked | 1 (0.4) | 9 (1.7) | |
| Clinically compatible | 15 (6.0) | 35 (6.5) | |
| Insurance typef | .05 | ||
| Medicaid or no insurance | 131 (59.8) | 299 (67.5) | |
| Private, self-pay, or other | 88 (40.2) | 144 (32.5) | |
| Maternal educationg | .001 | ||
| High school or less | 120 (53.6) | 295 (66.6) | |
| More than high school | 104 (46.4) | 148 (33.4) |
aCalculated from those with known sex (n = 251 enrolled; n = 523 nonenrolled).
bCalculated from those with known race (n = 246 enrolled; n = 459 nonenrolled).
cCalculated from those with known ethnicity (n = 251 enrolled; n = 495 nonenrolled).
dCalculated from those with known hospitalization status (n = 248 enrolled; n = 451 nonenrolled).
eCalculated from those with known case classification (n = 251 enrolled; n = 536 nonenrolled).
fCalculated from those with known insurance type (n = 219 enrolled; n = 443 nonenrolled).
gCalculated from those with known maternal education (n = 224 enrolled; n = 443 nonenrolled).
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