Table 2.
Characteristics of survey participants.
| Variables | Participants (N=990) | Weighteda values (N=990) | Participants who read text messages | P valueb,c | |||||
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Always (n=487) |
Otherwise (n=503) |
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| Sociodemographic factors | |||||||||
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Sex, n (%) |
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Male | 475 (47.9) | 491 (49.6) | 209 (42.8) | 282 (56.1) | <.001b | ||
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Female | 515 (52) | 499 (50.4) | 278 (57.2) | 221 (43.9) | |||
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Age (years), mean (SD) | 47.07 (14.8) | 46.45 (15.1) | 48.89 (14.0) | 44.08 (15.6) | <.001c | |||
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|
|
18-29, n (%) | 159 (16.1) | 176 (17.8) | 52 (10.7) | 124 (24.7) | <.001b | ||
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|
|
30-39, n (%) | 157 (15.9) | 160 (16.2) | 73 (15) | 87 (17.3) | |||
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|
40-49, n (%) | 197 (19.9) | 192 (19.4) | 103 (21.2) | 89 (17.7) | |||
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50-59, n (%) | 205 (20.7) | 197 (19.9) | 109 (22.4) | 88 (17.5) | |||
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≥60, n (%) | 272 (27.5) | 264 (26.7) | 150 (30.7) | 115 (22.9) | |||
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|
Education level, n (%) | ||||||||
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|
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Middle school or below | 28 (2.8) | 29 (2.9) | 11 (2.3) | 18 (3.6) | .46b | ||
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High school graduate | 474 (47.9) | 475 (48) | 237 (48. 7) | 238 (47.3) | |||
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College and above | 488 (49.3) | 486 (49.1) | 239 (49.1) | 247 (49.1) | |||
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|
Monthly household incomed (million KRW), n (%) | ||||||||
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|
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<2 | 127 (12.8) | 127 (12.9) | 67 (13.8) | 61 (12.1) | .27b | ||
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2-3.99 | 312 (31.5) | 313 (31.6) | 156 (32.1) | 157 (31.2) | |||
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4-5.99 | 260 (26.3) | 259 (26.2) | 134 (27.6) | 124 (24.7) | |||
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≥6 | 291 (29.4) | 290 (29.3) | 130 (26.5) | 161 (32) | |||
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Occupation status, n (%) | ||||||||
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|
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Out of labor | 387 (39.1) | 387 (39.1) | 287 (59.1) | 314 (62.4) | .29b | ||
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Working | 603 (60.9) | 602 (60.9) | 200 (40.9) | 189 (37.6) | |||
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|
Presence of children, n (%) | ||||||||
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|
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None | 894 (90.3) | 894 (90.3) | 441 (90.6) | 453 (90.1) | .79b | ||
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More than 1 | 96 (9.7) | 96 (9.7) | 46 (9.5) | 50 (9.9) | |||
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|
Underlying disease, n (%) | ||||||||
|
|
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None | 583 (58.9) | 590 (59.7) | 277 (57) | 313 (62.2) | .09b | ||
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|
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More than 1 | 407 (41.1) | 399 (40.4) | 210 (43) | 190 (37.8) | |||
| Psychological factors | |||||||||
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Perceived risk, mean (SD) | ||||||||
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|
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Perceived susceptibility | 2.63 (0.8) | 2.62 (0.8) | 2.62 (0.8) | 2.63 (0.9) | .78c | ||
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Perceived severity | 3.68 (0.9) | 3.68 (0.9) | 3.72 (0.9) | 3.63 (0.9) | .16c | ||
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Response efficacy, mean (SD) | ||||||||
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Wearing facial masks | 3.69 (0.5) | 3.69 (0.5) | 3.76 (0.5) | 3.62 (0.6) | <.001c | ||
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Hand hygiene | 3.78 (0.5) | 3.77 (0.5) | 3.83 (0.4) | 3.72 (0.5) | .002c | ||
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Keeping away from crowded places | 3.67 (0.6) | 3.66 (0.58) | 3.76 (0.5) | 3.57 (0.6) | <.001c | ||
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Cancelling or postponing social events | 3.70 (0.6) | 3.70 (0.6) | 3.77 (0.5) | 3.62 (0.6) | <.001c | ||
| Practicing precautionary behavior (“always”), n (%) | |||||||||
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|
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Wearing facial masks | 762 (77.1) | 760 (76.8) | 400 (82.4) | 359 (71. 5) | <.001b | ||
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Hand hygiene | 716 (72.3) | 714 (72.1) | 383 (78.8) | 330 (65.6) | <.001b | ||
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Keeping away from crowded places | 574 (58) | 571 (57.7) | 325 (66.9) | 246 (48.9) | <.001b | ||
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Cancelling or postponing social events | 631 (63.7) | 628 (63.4) | 354 (72.9) | 273 (54.3) | <.001b | ||
aData were weighted by sex, age, and regional distribution of the population in South Korea.
bP values for chi-square test.
cP values for t test.
dA currency exchange conversion rate of KRW 1=US $ 0.00091 is applicable.