Items | Factor loading | Total (n = 305) mean ± SD | Young adults (n = 141) mean ± SD | Older adults (n = 164) mean ± SD | p-value |
---|---|---|---|---|---|
Factor I. Reading cautions and warnings | |||||
 Cold medicine: The people with any of the following cases must not taking this medication | 0.77 | 3.30 ± 1.31 | 3.00 ± 1.27 | 3.56 ± 1.28 | < 0.001 |
 Cold medicine: Do not take this medication with following medication | 0.79 | 3.33 ± 1.38 | 2.89 ± 1.41 | 3.71 ± 1.23 | < 0.001 |
 Cold medicine: Ask a healthcare professional if you have any of the following health conditions | 0.87 | 2.88 ± 1.35 | 2.47 ± 1.33 | 3.24 ± 1.27 | < 0.001 |
 Cold medicine: Stop taking this medication and consult with a healthcare professional if you experience any of the following symptoms | 0.86 | 2.86 ± 1.34 | 2.46 ± 1.31 | 3.21 ± 1.27 | < 0.001 |
 Digestive medicine: Stop taking this medication and consult with a healthcare professional for following cases. | 0.79 | 3.60 ± 1.19 | 3.33 ± 1.21 | 3.83 ± 1.12 | < 0.001 |
 Digestive medicine: Where to report if you experience any side effects | 0.76 | 2.63 ± 1.48 | 2.08 ± 1.29 | 3.11 ± 1.46 | < 0.001 |
 Digestive medicine: Storage information | 0.71 | 3.04 ± 1.42 | 2.66 ± 1.44 | 3.37 ± 1.32 | < 0.001 |
 Pediatric NSAID: The people with any of the following cases must not taking this medication | 0.81 | 2.87 ± 1.44 | 3.13 ± 1.19 | 3.81 ± 1.13 | < 0.001 |
 Pediatric NSAID: Do not take this medication with other NSAIDs and avoid overdosing | 0.86 | 3.40 ± 1.26 | 3.09 ± 1.26 | 3.68 ± 1.19 | < 0.001 |
 Pediatric NSAID: Ask a healthcare professional about taking this medication if you have any of the following conditions | 0.90 | 3.05 ± 1.40 | 2.54 ± 1.34 | 3.48 ± 1.30 | < 0.001 |
 Pediatric NSAID: Stop taking this medication if you experience any of the following symptoms | 0.85 | 2.92 ± 1.35 | 2.43 ± 1.28 | 3.35 ± 1.26 | < 0.001 |
 Pediatric NSAID: Warnings | 0.81 | 2.96 ± 1.39 | 2.57 ± 1.39 | 3.29 ± 1.30 | < 0.001 |
 Pediatric NSAID: When taking this medication for cold symptoms, do not take this medication for more than 5 days | 0.76 | 3.05 ± 1.43 | 2.67 ± 1.43 | 3.37 ± 1.35 | < 0.001 |
Factor II. Reading uses and dosage | |||||
 Cold medicine label: Uses | 0.68 | 4.30 ± 0.91 | 4.37 ± 0.83 | 4.24 ± 0.98 | 0.21 |
 Cold medicine label: Dosage | 0.68 | 4.55 ± 0.81 | 4.56 ± 0.83 | 4.55 ± 0.80 | 0.90 |
 Digestive medicine label: Uses | 0.78 | 4.38 ± 0.84 | 4.30 ± 0.96 | 4.34 ± 0.87 | 0.73 |
 Digestive medicine label: Dosage | 0.82 | 4.52 ± 0.78 | 4.40 ± 0.97 | 4.51 ± 0.74 | 0.24 |
 Pediatric NSAID label: Uses | 0.77 | 4.32 ± 0.91 | 4.32 ± 0.86 | 4.43 ± 0.82 | 0.26 |
 Pediatric NSAID label: Dosage | 0.69 | 4.46 ± 0.85 | 4.38 ± 0.93 | 4.63 ± 0.60 | < 0.05 |
Factor III. Reading active ingredients and product type | |||||
 Digestive medicine: Active ingredients | 0.81 | 2.17 ± 1.22 | 1.91 ± 1.11 | 2.38 ± 1.28 | < 0.01 |
 Digestive medicine: Product type | 0.82 | 2.53 ± 1.41 | 2.28 ± 1.37 | 2.74 ± 1.42 | < 0.01 |
 Pediatric NSAID: Active ingredients | 0.80 | 2.48 ± 1.35 | 2.28 ± 1.32 | 2.65 ± 1.36 | < 0.05 |
 Pediatric NSAID: Product type | 0.83 | 2.70 ± 1.41 | 2.47 ± 1.38 | 2.90 ± 1.41 | < 0.01 |