Diabetes specific aspects (group I = insulin; group O = oral antihyperglycaemic agent).

Differences were calculated between both groups (O/I), duration of diabetes (D), age (A), gender (G) and education level (E). Any significance is given in the column “p-value” (n.s. = not significant). Significant differences for duration of diabetes, age, gender and education level are indicated in the description below the table.