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Table 1 Demographic characteristics of the sample by modality

From: Characterizing participants who respond to text, email, phone calls, or postcards in a SARS-CoV-2 prevalence study

Characteristics

Postcards

n = 288 (7.9%)

Text/Email

n = 968 (26.5%)

Robocalls/Texts

n = 2,402 (65.7%)

P-Value

Female (n = 1,995)

164 (8.2%)

561 (28.1%)

1,270 (63.7%)

0.025

Male (n = 1,656)

124 (7.5%)

407 (24.6%)

1,125 (67.9%)

White (n = 3,373)

268 (7.9%)

889 (26.4%)

2,216 (65.7%)

0.787

Non-White (n = 285)

20 (7.1%)

79 (27.8%)

186 (65.3%)

Age: <40 (n = 1,066)

102 (9.6%)

261 (24.5%)

703 (65.9%)

< 0.005

Age: 40–59 (n = 1,376)

118 (8.6%)

393 (28.6%)

865 (62.9%)

Age: 60+ (n = 1,216)

68 (5.6%)

314 (25.8%)

834 (68.6%)

Education Level

    

High School or less (n = 935)

35 (3.7%)

211 (22.6%)

689 (73.7%)

< 0.001

1–3 years College (n = 1,046)

98 (9.4%)

255 (24.4%)

693 (66.25%)

4 years + College (n = 1,631)

152 (9.3%)

499 (30.59%)

980 (60.9%)