Table 4

Multivariate logistic regression analysis of the factors that influence patients' perception

Explanatory variables

Odds*

95% CI

Complete list of current medication (Knows very well, or well)

Clinic/Hospital

0.86

0.54-1.39

Frequency (<once/≥once in a month)

0.75

0.46-1.22

Length (≥3 years/<3 years)

0.94

0.58-1.51

Complications (one or more/none)

1.48

0.85-2.56

Patient's age (5 years)

1.03

0.93-1.14

Entire past medical history (Knows very well, or well)

Clinic/Hospital

0.97

0.65-1.44

Frequency (<once/≥once in a month)

0.86

0.57-1.31

Length (≥3 years/<3 years)

2.28

1.53-3.41

Complications (one or more/none)

1.69

1.09-2.60

Patient's age (5 years)

1.13

1.03-1.23

History of allergy to drugs and food (Knows very well, or well)

Clinic/Hospital

0.73

0.49-1.09

Frequency (<once/≥once in a month)

0.56

0.36-0.85

Length (≥3 years/<3 years)

1.43

0.96-2.13

Complications (one or more/none)

1.57

1.01-2.43

Patient's age (5 years)

1.11

1.02-1.22

What worries patients most about their health (Knows very well, or well)

Clinic/Hospital

1.54

1.02-2.35

Frequency (< once/≥once in a month)

0.69

0.44-1.09

Length (≥3 years/<3 years)

1.31

0.86-2.00

Complications (one or more/none)

1.13

0.71-1.78

Patient's age (5 years)

1.19

1.08-1.31

Values and beliefs on health (Knows very well, or well)

Clinic/Hospital

1.03

0.68-1.57

Frequency (<once/≥once in a month)

0.86

0.55-1.35

Length (≥3 years/<3 years)

1.61

1.04-2.48

Complications (one or more/none)

1.24

0.78-1.95

Patient's age (5 years)

1.12

1.01-1.23

Roles and responsibilities at work, home, or school (Knows very well, or well)

Clinic/Hospital

1.40

0.90-2.18

Frequency (<once/≥once in a month)

0.80

0.50-1.29

Length (≥3 years/<3 years)

1.86

1.17-2.94

Complications (one or more/none)

1.51

0.95-2.43

Patient's age (5 years)

1.13

1.02-1.25

*Odds were calculated as that of A/B for each of the first 4 variables

Inoue et al. BMC Family Practice 2010 11:56   doi:10.1186/1471-2296-11-56