Research Article

Towards Patient-Oriented Diabetes Care: Results from Two KORA Surveys in Southern Germany

Table 5

Survey items.

ItemWordingNumber of missings  
F3/F4 ()
Coding

Care processes
Medical examinationsThe following list specifies medical examinations and advice which can be of importance in diabetes care. When was the last time your doctor did perform the following?  
(i) Eye exam  
(ii) Feet exam 
(iii) HbA1c testing 
(iv) Blood pressure 
(v) Proteinuria testing 
(i) Advice on appropriate physical activity  
(ii) Advice on appropriate diet 
   


31/11 
36/13 
37/12 
30/11 
30/11 
35/12 
36/13
1 = in the last 12 months 
2 = More than one year ago 
3 = Never 
4 = Do not know  
 for multivariate analysis: 
if variable IN (1) then examination = 1; 
if variable IN (2, 3, 4) then examination = 0; 
for multivariate analysis: 
if answer is missing then examination = 0; 

Diabetes
education
Have you ever attended a diabetes education class? 
If yes, how many diabetes education classes have you  
attended?

38/16 

1 = Yes 
2 = No 
if variable IN () then education = 0; 
if variable IN () then education = number of classes 
for multivariate analysis: 
if answer is missing then education = 0; 
if variable IN (1) and number of classes IN (.) then number of classes = 1

Multiprofessional careHave you been seen by any of the following health care professionals for your diabetes care during the past 
12 months?  
 (i) Podiatrist  
(ii) Dietician 



51/18 
58/18
1 = Yes
2 = No 
 if variable IN (1) then interdisciplinary = 1; 
if variable IN (2) then interdisciplinary = 0; 
for multivariate analysis: 
if answer is missing then interdisciplinary = 0; 

Quality of patient/physician relationship The following questions refer to the performance of the physician who has been responsible for your diabetes care during the past 12 months:  
 How do you rate  
(i) the comprehensibility of information which you receive? 
(ii) the opportunity to ask questions during your appointments? 
(iii) the opportunity to shared decision-making about your diabetes treatment?  
(iv) the psychological support provided from the physician?  



45/20
45/20
47/21
51/23
1 = Bad
2 = Mixed
3 = Good
4 = Excellent 
 if variable IN (3, 4) then quality = 1; 
if variable IN (1, 2) then quality = 0; 
for multivariate analysis: 
if answer is missing then quality = 0; 

Treatment satisfactionOverall, how satisfied are you with your diabetes treatment (including your therapy with insulin, tablets, and/or diet) during the last weeks? 63/30Rating scale from 1 to 7 
1 (very dissatisfied) (very satisfied) 
for multivariate analysis: 
if answer is missing then treatment satisfaction = 5

Patient outcomes
Self-monitoringIn the past 6 months: how often have you performed the following examinations at home?  
 (i) check your weight? 
(ii) check your feet for wounds and skin cracks?  
(iii) measure your blood-pressure?  
(iv) measure your blood-glucose?  
  

35/19
36/20
37/20
35/19
1 = daily 
2 = once or several times per week  
3 = 1–3 times per month 
4 = less than once per month 
5 = never  
 if variable IN (1, 2, 3) then  
self-monitoring = 1; 
if variable IN (4, 5) then  
self-monitoring = 0;

AdherenceHow difficult do you find it to stick exactly to the physician’s recommendation concerning 
 (i) medication intake? 
(ii) regular physical activity? 
(iii) keeping dietary advice? 
(iv) checking feet?  


39/20
44/20
40/20
43/20
1 = very difficult
2 = somewhat difficult
3 = not difficult at all
4 = does not apply to me 
 if variable IN (3) then adherence = 1; 
if variable IN (1, 2) then adherence = 0; 
if variable IN (4) then adherence =.; 

Physical activityHow often do you engage in physical activity (in winter/summer)?0/01 = regularly more than 2 hours p/week 
2 = regularly approx. 1 hour p/week 
3 = intermittently approx. 1 hour p/week 
4 = hardly any or no physical activity 
 if variable IN () then sports = 0; 
if variable IN (2, 3, 4) then sports = 1; 

SmokingAre you a regular smoker or smoking at convenience?1/01 = regular smoker
2 = occasional smoker
3 = ex-smoker
4 = never smoked 
 if variable IN (1, 2) then smoker = 1; 
if variable IN (3, 4) then smoker = 0; 

AlcoholWhich alcoholic beverages did you consume during the past weekdays/weekend?1/01 = no alcohol intake
2 = alcohol intake >0–<20 g/day
3 = alcohol intake >20–<40 g/day
4 = alcohol intake >40–<60 g/day
5 = alcohol intake >60–80 g/day
6 = alcohol intake more than 80 g/day 
alkkon = g/day 
if sex = male and variable IN (1, 2) then alcohol = 0; 
if sex = male and variable IN (3, 4, 5, 6) then alcohol = 1; 
if sex = female and alkkon =<10 then alcohol = 0; 
if sex = female and alkkon >10 then alcohol = 1;

ComplicationsThis is a list of diseases of the eye. Have you ever been diagnosed with any of them by a physician?  
(i) Diabetic retinopathy (diseases that affect the macula of the eye).  
Has a physician diagnosed you ever with any of the following diseases of the kidney or the bladder?
(i) Microalbuminuria
Has a physician diagnosed you ever with any of the following diseases of the feet or legs? 
(i) Poor blood circulation in legs 
(ii) Peripheral neuropathy (numbness, Burning, and prickling) 


  
49/16 


47/11

41/11
38/11 
1 = Yes
2 = No 
3 = Do not know  
 if variable IN () then complication = 1;  
if variable IN () then complication = 0;  
if variable IN () complication is coded  
as missing

Conditions associated with diabetesHow often during the last 6 months have you felt signs of high or low blood sugar?
(i) Signs of high blood sugar (e.g. thirst, frequent passing of water) 
(ii) Signs of low blood sugar (e.g. sweating, faintness, trembling)
   
52/13
48/17
1 = once or several times per week
2 = 1–3 times per month
3 = less than once per month
4 = never  
 if variable IN (1, 2, 3) then Condition = 1;  
if variable IN (4) then Condition = 0; 

Health-related quality of life SF-12 items (time frame of items: last 4 weeks)111*/13Calculation of summary scores according to  
Bullinger and Kirchberger (1998) [30]

In the F3 survey, SF-12 data were not collected for respondents ≥75 years.