Skip to main content

Table 1 Diabetes study characteristics

From: Assessing differential attrition in clinical trials: self-monitoring of oral anticoagulation and type II diabetes

Source

Inclusion Criteria

Duration of study mths.

Nos. assigned to Intervention & (%) drop out

Nos. assigned to Control & (%) drop out

Intervention for self-monitoring group

Control group intervention

19 Wing 1986, US

NIDDM, ≥ 20% above ideal weight. Use oral hypoglycaemic medication or insulin.

14

25 (8.0)

25 (12.0)

Taught to make changes in diet and exercise if SMBG elevated.

Standard behavioural weight control treatment

14 Fontbonne 1989, France

NIDDM, no rapidly progressing diabetic complications and no severe illness.

6

68 (17.6)

68 (20.6)

All patients had pre entry visit, and training in SMBG.

Usual diabetic clinic care

11 Allen 1990, US

NIDDM, No prior experience of monitoring

6

31 (12.9)

30 (10.0)

Diet and exercise counselling. Individual instruction for SMBG

Diet and exercise counselling. Individual instruction for SMUG

13 Estey 1990, Canada

NIDDM On diet or oral hypoglycaemic drugs.

3

30(6.7)

30 (16.7)

3 day education program (test and control). Inc. nurse, dietician, social worker and pharmacist.

Same 3-day education programme

5 Rutten 1990, Holland

Treated for NIDDM for least 6 months. Not taking insulin. Not under treatment for other conditions.

12

66 (50)

83 (12.0)

Given instruction on SMBG on 2–5 occasions. Given advice and therapeutic goals.

Usual General Practice care

15 Gallichan 1994, UK

NIDDM, on oral hypoglycaemic agents.

6

15 (33.3)

12 (16.7)

Instruction on SMBG.

Instruction on SMUG

19 Muchmore 1994, US

NIDDM treated with diet alone/diet + oral sulfonylurea hypoglycemic agents. No use of self monitoring for 3 months.

7

15 (20.0)

14 (21.4)

Training in SMBG from nurse educator individually and in groups

General strategies of diabetes control, exercise, recommended by ADA.

17 Miles 1997, UK

Newly diagnosed NIDDM

6

68 (18)

23 (28.0)

Group education, within a week of diagnosis. 4 education sessions supervised by nurse. Individual SMBG techniques checked at 1 month.

Group education, within a week of diagnosis. 4 education sessions supervised by nurse. Individual SMUG technique checked at 1 month.

18 Schwedes 2002, Germany

NIDDM, BMI > 25 kg/m2. Treated with diet or diet in combination with sulfonylureas or metformin.

6

125 (9.6)

125 (12.0)

Standardized counselling and instruction on use of SMBG

None standardised counselling on diet and lifestyle.

4 Guerci 2003, France

NIDDM, no prior experience of monitoring and able to carry out self monitoring.

6

345 (47.5)

344 (40.4)

Training in SMBG by GP

Usual General Practice care

12 Davidson 2005, US

NIDDM, on entering Diabetes Managed Care Program.

6

43 (2.3)

45 (0)

Training in SMBG by specialist nurse

Diabetes Managed Care Program.

  1. SMBG self-monitoring of blood glucose
  2. SMUG self-monitoring of urine glucose