Table 3 Logistic regression of factors associated with HBPM ownership amongst participants in the TIME study.

From: Factors influencing home blood pressure monitor ownership in a large clinical trial

 

Univariate analysis

Adjusted analysis

OR

95% CI

OR

95% CI

Age

   <65 years

Reference

Reference

   ≥65 years

1.15

1.08–1.22

1.1

1.03–1.17

   Unknown

0.91

0.70–1.19

0.95

0.73–1.25

Gender

   Female

Reference

Reference

   Male

1.39

1.32–1.47

1.47

1.39–1.56

BMI (kg/m2)

   <30

Reference

Reference

   ≥30 (Obese)

0.76

0.72–0.80

0.79

0.74–0.84

   Unknown

0.55

0.49–0.62

0.64

0.57–0.72

Smoking status

   Non-smoker

Reference

Reference

   Current

0.63

0.55–0.72

0.71

0.62–0.82

   Ex-smoker

0.97

0.91–1.02

0.98

0.92–1.04

   Unknown

0.55

0.39–0.78

0.68

0.47–0.97

Co-morbidity

   Diabetes mellitus

0.69

0.63–0.74

0.74

0.64–0.86

   Angina

0.91

0.79–1.05

1

0.84–1.21

   COPD

0.8

0.68–0.94

0.9

0.74–1.09

   Impaired kidney function

1.15

0.99–1.35

1.26

1.04–1.52

   Arthritis

0.94

0.85–1.03

1.07

0.92–1.24

   PVD

0.71

0.57–0.89

0.77

0.60–0.98

   Myocardial Infarction

0.8

0.71–0.91

0.82

0.69–0.97

   Stroke/TIA

1.15

1.03–1.29

1.23

1.04–1.45

Reported co-morbidity burden

   No co-morbidity

Reference

Reference

   1–2 co-morbidities

0.85

0.80–0.90

0.95

0.82–1.10

   ≥3 co-morbidities

0.77

0.64–0.91

0.96

0.64–1.42

On lipid lowering therapy

0.86

0.81–0.91

0.84

0.78–0.90

CV event in 1st degree relative age <60

0.96

0.91–1.03

0.99

0.93–1.06

CV event in 2nd degree relative age <50

0.88

0.79–0.97

0.94

0.85–1.04

Parents with history of HTN

1.1

1.04–1.16

1.12

1.05–1.20

Siblings/children with history of HTN

1.08

1.01–1.15

1.1

1.02–1.18

No. of anti-hypertensive medications

   1

Reference

Reference

   ≥2

1.24

1.17–1.31

1.25

1.17–1.32

   Unknown

0.89

0.74–1.07

0.94

0.77–1.15

Socioeconomic deprivation

   More deprived (IMD Decile 1–5)

Reference

Reference

   Less deprived (IMD Decile 6–10)

1.4

1.32–1.49

1.31

1.23–1.40

   Unknown

0.97

0.75–1.24

1.16

0.89–1.51

Country of residence at enrolment

   England

Reference

Reference

   Scotland

0.65

0.59–0.72

0.64

0.58–0.71

   Wales

0.76

0.66–1.88

0.74

0.64–0.86

   Northern Ireland

0.81

0.15–4.36

0.98

0.18–5.34

Year of registration

   2016–2017

Reference

Reference

   2014–2015

0.85

0.81–0.90

0.84

0.80–0.89

   2011–2013

0.95

0.78–1.17

1.07

0.86–1.34

  1. COPD Chronic obstructive pulmonary disease, TIA transient ischaemic attack, HTN hypertension, IMD index of multiple deprivation, CV cardiovascular.