Table 1

Measurements and time points

Concept

Questionnaire

Measurement time points

T1

T2

T3

T4

T5

T6

T7

T8

T9

Perceived stress

PSS (14)*

x

x

x

x

x

x

x

Anxiety and depressive symptoms

HADS (14)

x

x

x

x

x

x

x

Mood

POMS (32)

x

x

x

x

x

x

x

Diabetes related problems

PAID (20)

x

x

x

x

x

x

x

Quality of life

SF12 (12)+3 items WHOQOL

x

x

x

x

x

Self-care behavior

ADSCI (11)

x

x

x

x

x

Extraversion

EPQ-E (12)

x

Type D Personality

DS14 (14)

x

x

x

x

x

Mindfulness

FFMQ(31)

x

x

x

x

x

Diabetes related mindfulness

AADQ (11)

x

x

x

x

x

Self-esteem

RSES (10)

x

x

x

x

x

Patient's background (demographics, clinical, psychological)

- (21)

x

Clinical measurements

Measurement

Glycemic control (from hospital database)

hbA1c

x

x

x

x

x

Blood pressure

Amb.24 h BP

x

x

T1 - baseline; T2 - after 4 weeks of intervention; T3 - after 8 weeks (post intervention); T4 - after 12 weeks (4 weeks post intervention); T5 - after 8 months (6 months post intervention = start training for control group). T6 thru T9 only for control group: repetition of T2 thru T5. PSS - Perceived Stress Scale; HADS - Hospital Anxiety and Depression Scale; POMS - Profile of Mood States; PAID - Problem Areas in Diabetes Survey; SF-12 - Short Form Health Survey; 3 items WHOQOL-bref⁹; ADSCI - Amsterdam Diabetes Self Care Inventory; EPQ-E - Eysenck Personality Questionnaire subscale Extraversion; DS14 - Type D personality scale; FFMQ - Five Factor Mindfulness Questionnaire; AADQ - Acceptation and Action Diabetes Questionnaire; RSES - Rosenberg Self-esteem Scale. HbA1c = hemoglobin A1c (the amount of glycated hemoglobin in blood). Amb. 24 h BP = Ambulatory 24 hour Blood Pressure monitoring.

*= number of items in questionnaire. Total number of items = 205.

van Son et al. BMC Public Health 2011 11:131   doi:10.1186/1471-2458-11-131