Table 4 Comparison of psychometric properties of the DHL instrument with other validated instruments for assessing knowledge in diabetic patients
From: Validation of the diabetes, hypertension and hyperlipidemia (DHL) knowledge instrument in Malaysia
DHL | MDKT | DKQ24# | PCQ | DNT | |
|---|---|---|---|---|---|
Mean age [range] (years) | 62.53 [25-82] | 60.00 (community participants) 56.00 (health dept participants) | 50.27 [20-79] | 13.2 | 54.2 |
No. of subjects | 77 | 811 | 502 | 75 | 398 |
No. of items | 28 | 23 | 24 | 78 | 43 |
No. of domains | 5 | 2 | 1@ | 7 | 5 |
Flesch reading ease (Flesch Kincaid grade level) | 60 | (6th grade) | NR | (6) | NR |
Cronbach's α or Kuder Richardson (KR) | 0.791 | 0.710 | 0.78 | 0.88 | (0.95) |
Difficulty factor | 0.74 | NR | 0.57 | NR | NR |
Mean score (%) | 74.35 | 54.02 (general use) 44.44 (insulin use) | 57.00 | 87.00 | 61.00 |