Table 1. Characteristics of Study Participants.

From: Development of Japanese and Indonesian Versions of the electronic-Health Literacy Scale

N = 506
Item Japan n = 99 Indonesia n = 407
n (%) n (%)
Gender Female 98 (99.0%) 373 (91.6%)
Male 1 (1.0%) 34 (8.4%)
Year of Study First year 20 (20.2%) 106 (26.0%)
Second year 21 (21.2%) 113 (27.8%)
Third year 38 (38.4%) 99 (24.3%)
Fourth year 20 (20.2%) 89 (21.9%)
Age 17 years old 0 5 (1.2%)
18-19 years old 19 (19.2%) 176 (43.2%)
20-21 years old 57 (57.6%) 199 (48.9%)
22-23 years old 19 (19.2) 27 (6.6%)
24 years old and over 4 (4.0%) 0
Religious restrictions Yes 4 (4.0%) 345 (84.8%)
No 95 (96.0%) 62 (15.2%)
Health status With Underlying disease(s) 12 (12.1%) 57 (14.0%)
No underlying disease 87 (87.9%) 350 (86.0%)
Living arrangements Living with parents 70 (70.7%) 165 (40.5%)
Not living with parents 29 (29.3%) 242 (59.5%)
Body Mass Index Underweight/Normal weight 97 (98.0%) 355 (87.2%)
Obese 1-4 2 (2.0%) 52 (12.8%)
Table 2. Item Analysis of the Japanese and Indonesian Versions of the electronic-Health Literacy Scale.

From: Development of Japanese and Indonesian Versions of the electronic-Health Literacy Scale

N = 506
Japan n = 99 Indonesia n = 407 I-T Correlation
mean SD Ceiling effect Floor effect Percentage of Ceiling effect Percentage of Floor effect mean SD Ceiling effect Floor effect Percentage of Ceiling effect Percentage of Floor effect
1 I cannot understand the symbols (such as BMI, Body Mass Index) and wording about health information.* 4.09 0.69 4.78 3.40 2.0 26.3 4.12 0.79 4.91 3.33 3.4 34.4 0.81
2 I find the online health information difficult to understand.* 4.03 0.80 4.83 3.23 1.0 25.3 3.97 0.67 4.64 3.30 2.9 17.7 0.77
3 I find the mathematical formulas provided in online health information difficult to calculate. (e.g., the algorithm of calorie consumption, BMI).* 4.01 0.89 4.90 3.12 2.0 30.3 3.70 0.81 4.51 2.89 0.2 14.5 0.85
4 I can locate health information efficiently through search engines. 3.65 0.98 4.63 2.67 2.0 21.2 3.94 0.62 4.57 3.32 1.5 15.2 0.80
5 I pay attention to and obtain new knowledge about online health information. 3.46 0.97 4.43 2.49 1.0 19.2 4.02 0.58 4.60 3.45 0.2 16.5 0.78
6 I know how to get what I need from online health information. 3.71 0.94 4.65 2.77 1.0 22.2 4.11 0.59 4.70 3.53 0.2 22.6 0.81
7 I understand the online health information I have obtained. 3.98 0.74 4.72 3.24 28.3 26.3 3.98 0.56 4.55 3.42 0.2 13.8 0.76
8 I will think about whether the online health information applies to my situation. 3.95 0.85 4.80 3.10 5.1 28.3 3.89 0.61 4.49 3.28 0.2 12.3 0.67
9 I try to find different sources to verify the credibility of health information. 3.87 1.04 4.91 2.83 2.0 32.3 4.07 0.59 4.66 3.48 0.2 19.9 0.79
10 I evaluate the validity and reliability of online health information. 3.98 0.87 4.85 3.11 1.0 30.3 3.69 0.64 4.33 3.05 0.2 7.1 0.69
11 I will browse various discussions and make a decision or action that is good for health. 3.63 1.04 4.67 2.59 2.0 24.2 3.74 0.60 4.34 3.14 0.2 6.1 0.75
12 When I have questions or doubts about online health information, I use other channels to verify the information. 3.73 0.92 4.65 2.81 11.1 21.2 4.01 0.59 4.61 3.42 0.2 16.7 0.69
Table 3. Convergent Validity, Discriminant Validity, and Internal Consistency of the Japanese and Indonesian Versions of the electronic-Health Literacy Scale (e-HLS).

From: Development of Japanese and Indonesian Versions of the electronic-Health Literacy Scale

Subscale Item Convergent Validity Discriminative validity (Pearson's) Scaling Success Rate α
I-T correlation Functional Intractive Critical
Functional 1 I cannot understand the symbols (such as BMI, Body Mass Index) and wording about health information.* 0.52 0.37 0.24 100% 0.74
2 I find the online health information difficult to understand. * 0.61 0.49 0.35
3 I find the mathematical formulas provided in online health information difficult to calculate. (e.g., the algorithm of calorie consumption, BMI).* 0.58 0.36 0.25
Intractive 4 I can locate health information efficiently through search engines. 0.63 0.40 0.40 100% 0.83
5 I pay attention to and obtain new knowledge about online health information. 0.66 0.27 0.44
6 I know how to get what I need from online health information. 0.72 0.41 0.46
7 I understand the online health information I have obtained. 0.65 0.43 0.54
Critical 8 I will think about whether the online health information applies to my situation. 0.54 0.24 0.45 100% 0.81
9 I try to find different sources to verify the credibility of health information. 0.71 0.30 0.45
10 I evaluate the validity and reliability of online health information. 0.56 0.32 0.36
11 I will browse various discussions and make a decision or action that is good for health. 0.63 0.18 0.35
12 When I have questions or doubts about online health information, I use other channels to verify the information. 0.56 0.20 0.40
alpha coefficient for the overall scale 0.86
Table 4. Results of Discriminative Validity.

From: Development of Japanese and Indonesian Versions of the electronic-Health Literacy Scale

1st-3rd Year (n = 397) 4th Year (n = 109) pValue Cohen's d
Mean SD Mean SD
e-HLS Total Score 3.87 0.44 4.09 0.42 <.001 0.44
Functional 3.85 0.60 4.32 0.56 <.001 0.59
Intractive 3.91 0.56 4.10 0.50 0.002 0.55
Critical 3.85 0.53 3.96 0.47 0.051 0.52
Table 5. Comparison of the Results of the Multigroup Confirmatory Factor Analysis.

From: Development of Japanese and Indonesian Versions of the electronic-Health Literacy Scale

RMSEA CFI SRMR TLI df Chi-squared AIC
No restrictions 0.045 0.952 0.055 0.928 102 208.222 364.222
Full metric invariance 0.048 0.942 0.069 0.932 111 239.458 377.458
△0.003 △0.010 ▲0.014
Scalar invariance 0.065 0.883 0.075 0.875 123 383.715 497.715
△0.020 △0.069 ▲0.020
PAGE TOP