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. 2025 Mar 25;27:e64591. doi: 10.2196/64591

Table 2.

Exploratory factor loadings of the digital health literacy questionnaire for stroke survivors (n=118).

Item Domains

Factor 1 Factor 2 Factor 3
Item 1

I track stroke news and updates on the internet. 0.123 0.798 0.206
Item 2

I can search online for in-depth stroke information. 0.162 0.705 0.174
Item 3

I can find needed stroke-related info online. 0.335 0.857 0.170
Item 4

I can understand online stroke info. 0.308 0.840 0.268
Item 5

I can gather stroke data from various online platforms. 0.128 0.788 0.223
Item 6

I can check the accuracy of stroke information with medical experts. 0.180 0.324 0.761
Item 7

I verify if online stroke info is current. 0.220 0.154 0.76888
Item 8

I can validate stroke ad claims with health care staff. 0.101 0.280 0.783
Item 9

I can review expert-provided stroke information. 0.025 0.067 0.794
Item 10

I can review stroke health info online and in WeChat. 0.156 0.199 0.773
Item 11

I can discuss health issues during virtual medical sessions. 0.727 0.259 0.221
Item 12

I can participate in online discussions focused on stroke. 0.642 0.332 0.060
Item 13

I can identify stroke warning signs online. 0.771 0.148 0.141
Item 14

I can use online guides to plan my meals. 0.727 –0.027 0.037
Item 15

I can get medication info online and take meds as experts say. 0.841 0.194 0.051
Item 16

I can follow online resources for stroke exercises. 0.866 0.251 0.139
Item 17

I can record my health stats weekly with digital devices. 0.825 0.183 0.277

Eigenvalue (characteristic root) 7.541 2.521 1.704

Variance Contribution (%) 44.357 14.830 10.026

Cumulative variance contribution rate % 44.357 59.186 69.212
Item 18

I don’t click on pop-up ads without thinking. a
Item 19

I won’t share my own or others’ health information on social media.

aBased on the interitem correlation analysis, items 18 and 19 were considered redundant and were deleted before exploratory factor analysis.