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Table 3 Correlation coefficients between total score and four subscales of the 12-item Medication Adherence Scale (n = 328)

From: Reliability and validity of a 12-item medication adherence scale for patients with chronic disease in Japan

 

Medication compliance

Collaboration with healthcare providers

Willingness to access and use information about medication

Acceptance to take medication and how taking medication fits patient’s lifestyle

Total score

n

Mean

(SD)

p a

n

Mean

(SD)

p a

n

Mean

(SD)

p a

n

Mean

(SD)

p a

n

Mean

(SD)

p a

Male

72

12.71

2.81

0.035

72

10.82

2.74

0.265

71

10.14

2.95

0.007

72

11.43

2.14

0.985

71

45.00

7.56

0.010

Female

252

13.48

2.18

 

244

11.24

2.84

 

250

11.18

2.31

 

254

11.43

2.15

 

239

47.37

6.45

20–29

21

13.24

2.19

0.083

21

11.29

2.22

0.806

20

9.80

2.14

0.027

21

11.05

1.99

0.770

20

45.10

4.88

0.745

30–39

57

13.19

2.38

 

57

11.19

3.31

 

58

11.19

2.84

 

58

11.40

2.39

 

56

47.11

8.30

40–49

77

12.79

2.73

 

77

11.44

2.44

 

77

11.62

2.22

b40–49>

78

11.46

1.98

 

76

47.50

6.31

 

50–59

61

13.49

2.20

 

58

11.31

2.65

 

61

10.66

2.78

20–29

61

11.56

2.31

 

58

46.98

6.37

 

60–69

45

14.04

1.71

 

43

10.65

3.12

 

43

10.53

1.97

 

45

11.53

2.02

 

41

46.34

6.24

 

70+

26

13.73

1.91

 

23

11.13

3.14

 

25

10.64

2.75

 

26

12.00

2.06

 

22

47.82

7.42

 

Living with someone else

163

13.63

2.26

0.013

162

11.22

2.65

0.711

162

11.01

2.34

0.840

165

11.56

2.07

0.275

158

47.41

6.44

0.151

Living alone

161

12.98

2.41

 

154

11.10

3.01

 

159

10.95

2.65

 

161

11.30

2.22

 

152

46.30

7.13

 

High school or less

110

13.49

2.21

0.335

105

10.81

3.06

0.144

110

10.64

2.70

0.118

111

11.38

1.90

0.796

104

46.37

6.49

0.406

College or more

208

13.22

2.45

 

205

11.31

2.71

 

205

11.12

2.37

 

209

11.44

2.26

 

200

47.05

6.96

 

Single diagnosisc

164

13.16

2.47

0.243

163

11.25

2.74

0.553

163

10.87

2.53

0.495

166

11.60

2.14

0.194

159

46.80

6.80

0.886

Multiple diagnoses

154

13.47

2.23

 

148

11.05

2.94

 

152

11.06

2.51

 

154

11.29

2.13

 

146

46.91

6.81

 
  1. Excluding any missing values. Significant values (p < 0.05) are highlighted in bold
  2. aDifferences between two groups were evaluated by t-test, and between three or more groups by one-way analysis of variance
  3. bDifferences in mean values were assessed using Tukey’s multiple comparison test
  4. cA single diagnosis included multiple diagnoses within the same disease group; multiple diagnoses included any outside the disease group of rheumatic disease and allergies