Table 3.
Cultural differences in the frequency of using each source of online health information.
| Internet sites | Country, mean (SD) | Brown-Forsythea | Planned contrast | ||||||
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United States | Korea | Hong Kong | F (df) | P | Level 1: US vs KOR/HK | Level 2: KOR vs HK | ||
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t (df) | P | t (df) | P |
| SNS | 2.16 (1.51) | 2.27 (1.21) | 3.07 (1.52) | 32.25 (2, 697) | .001 | 4.51 (529) | .001 | 6.06 (405) | .001 |
| Blog | 2.50 (1.47) | 3.61 (1.37) | 2.85 (1.25) | 34.61 (2, 622) | .001 | 6.67 (515) | .001 | 5.82 (326) | .001 |
| Online support groups | 2.26 (1.54) | 2.15 (1.16) | 2.74 (1.46) | 12.40 (2, 698) | .001 | 1.64 (497) | .10 | 4.70 (409) | .001 |
| Online professional heath sitesb | 4.68 (1.62) | 2.66 (1.37) | 3.08 (1.45) | 122.57 (2, 664) | .001 | 15.02 (508) | .001 | 360.02 (360) | .003 |
a For 1-way ANOVA test, we used Brown-Forsythe because equal variances could not be assumed. Thus, F value in ANOVA indicates asymptotically F distributed.
b Expertise-based source.