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Table 4 Weighted logistic regression of SMS on decreasing missed doses

From: Effects of and satisfaction with short message service reminders for patient medication adherence: a randomized controlled study

Variable

OR

 

95%

CI

P-value

After SMS intervention

   No (reference)

     

   Yes

2.2

**

1.9

2.6

< .001

Socioeconomic status

Gender

     

   Male (reference)

     

   Female

2.1

**

1.8

2.6

< .001

Age (years)

     

   20~34 (reference)

     

   35~49

0.7

*

0.5

1.0

0.024

   50~64

0.7

*

0.5

0.9

0.014

    65

0.6

**

0.4

0.9

0.009

Education level

     

   Elementary or less (reference)

   Junior High School

1.3

 

0.8

2.0

0.244

   High School

0.7

 

0.5

1.1

0.138

College

0.7

 

0.5

1.1

0.100

   University

0.7

 

0.4

1.0

0.058

   Graduate school or above

0.6

*

0.4

1.0

0.034

Occupation

     

   Unemployed (reference)

   Military

0.1

**

0.0

0.3

< .001

   Civil servant

0.4

**

0.2

0.6

< .001

   Teacher

0.4

**

0.2

0.7

< .001

   Student

0.5

**

0.3

0.8

0.005

   Housekeeper

0.7

 

0.4

1.0

0.062

   Self-employed

0.7

 

0.5

1.1

0.136

   Medicine

0.7

 

0.4

1.3

0.277

   Retired

0.7

 

0.5

1.1

0.164

   Freelancer

0.9

 

0.6

1.5

0.711

   Services

0.9

 

0.6

1.4

0.753

   Worker

1.3

 

0.8

2.0

0.278

   A.F.F.H.

2.3

 

0.7

7.9

0.190

   Other

1.1

 

0.6

2.1

0.868

Average monthly household income

    30,000 NTD(reference)

   30,001-60,000 NTD

1.2

 

1.0

1.5

0.099

   60,001-90,000 NTD

1.5

**

1.1

1.9

0.006

   90,001-120,000 NTD

1.1

 

0.8

1.5

0.668

   120,001-150,000 NTD

2.2

**

1.5

3.2

< .001

    150,001 NTD

4.8

**

3.4

6.8

< .001

Marital status

     

   Single (reference)

     

   Married

1.4

 

1.0

1.9

0.065

   Divorced/Separated

0.4

**

0.3

0.6

< .001

   Widowed

1.7

 

1.0

2.9

0.054

Living status

     

   Live with spouse only (reference)

     

   Medical history

0.7

 

0.5

1.1

0.093

   Live with spouse and children

1.4

*

1.1

1.8

0.013

   Live alone

1.4

 

0.9

2.1

0.118

   Other

0.6

**

0.4

0.8

0.004

Medical history

     

   Heart disease

0.4

**

0.3

0.5

< .001

   Hypertension

0.4

**

0.4

0.5

< .001

   Dialysis

0.5

 

0.2

1.0

0.051

   Stroke

0.6

**

0.4

0.8

0.002

   Peptic ulcer

0.7

*

0.5

0.9

0.014

   Thyroid disease

0.7

*

0.5

1.0

0.028

   Chronic kidney disease

0.7

 

0.4

1.3

0.252

   Hyperlipidemia

0.8

 

0.5

1.1

0.186

   Diabetes

0.9

 

0.7

1.1

0.354

   Gynecology disease

1.0

 

0.5

2.2

0.965

   Asthma/Emphysema

1.0

 

0.6

1.8

0.917

   Urinary disease

1.0

 

0.5

2.2

0.910

   Cancer

1.1

 

0.4

3.3

0.893

   Chronic liver disease

1.4

 

0.9

2.0

0.111

   Gout

1.5

 

0.9

2.3

0.089

   Pneumonia

1.9

 

0.7

5.2

0.185

   Mental or psychiatric disease

2.2

**

1.3

3.8

0.003

   Others

0.5

**

0.4

0.6

< .001

  1. N = 1,198; Dependent variable: 1 indicates with complete improvement; 0 indicates without complete improvement. Medical history reference group is the participants without this disease. The patients with immunity disease had no decrease on missed doses; A.F.F.H: agricultural, forestry, fishery or husbandry. * p < 0.05; ** p < 0.01.