Mean (SD) body mass index (kg/m2) |
30.2 (5.9) |
30.4 (6.2) |
0.03 (−0.26 to 0.20) |
0.791 |
Missing data |
7 |
16 |
|
|
Smoker |
22 (11) |
18 (9) |
0 |
|
Mean (SD) No of cigarettes/day |
16.0 (8.4) |
13.6 (8.7) |
0 |
|
Non-smoker |
172 (86) |
164 (82) |
0 |
|
Missing data |
6 |
19 |
0 |
|
Consumes alcohol |
158 (79) |
159 (79) |
0 |
|
Median (interquartile range) units of alcohol (10 mL)/day |
1.7 (0.9-2.9) |
2.0 (0.7-4.0) |
0 |
|
Does not consume alcohol |
37 (19) |
41 (20) |
0 |
|
Missing data |
5 |
1 |
|
|
Exhaled carbon monoxide category (parts per million): |
|
|
|
|
Non-smoker (1-6) |
171 (86) |
159 (79) |
0 |
|
Light smoker (7-10) |
2 (1) |
4 (2) |
0 |
|
Moderate smoker (11-20) |
5 (3) |
9 (4) |
0 |
|
Heavy smoker (≥20) |
16 (8) |
9 (4) |
0 |
|
Missing data |
6 |
20 |
|
|
Mean (SD) cholesterol level (mmol/L) |
5.5 (1.2) |
5.3 (1.0) |
0.02 (−0.15 to 0.18) |
0.855 |
Missing data |
28 |
35 |
|
|
Mean (SD) haemoglobin A1c level (mmol/mol) |
38.2 (6.6) |
37.4 (5.1) |
0.28 (−0.35 to 0.92) |
0.386 |
Missing data |
32 |
39 |
|
|
Mean (SD) urinary sodium:creatinine ratio |
9.5 (6.1) |
10.6 (7.1) |
0.82 (−0.51 to 2.15) |
0.228 |
Missing data |
27 |
24 |
0 |
|
Hospital anxiety and depression scale32: |
|
|
|
|
Mean (SD) anxiety score |
4.8 (3.4) |
4.8 (3.8) |
0 |
|
Mean (SD) depression score |
2.9 (2.8) |
3.1 (2.9) |
0 |
|
Missing data |
10 |
19 |
0 |
|
Mean (SD) exercise tolerance score48
|
7.5 (3.0) |
7.2 (3.0) |
0 |
|
Missing data |
10 |
19 |
0 |
|
Mean (SD) Stanford self efficacy questionnaire (short version)49
|
8.6 (1.5) |
8.3 (1.8) |
0 |
|
Missing data |
17 |
23 |
0 |
|
Morisky medication adherence scale50: |
|
|
0 |
|
Sometimes forgets to take drugs |
54 (27) |
55 (27) |
0 |
|
Does not forget to take drugs |
137 (69) |
118 (59) |
0 |
|
Missing data |
9 |
8 |
0 |
|
Sometimes careless about taking drugs |
16 (8) |
17 (8) |
0 |
|
Not careless about taking drugs |
175 (88) |
156 (78) |
0 |
|
Missing data |
9 |
28 |
0 |
|
Sometimes stops taking drugs when feeling better |
11 (6) |
9 (4) |
0 |
|
Does not stop taking drugs when feeling better |
179 (90) |
163 (81) |
0 |
|
Missing data |
10 |
29 |
0 |
|
Sometimes stops taking drugs when feeling worse |
11 (6) |
15 (7) |
0 |
|
Does not stop taking drugs when feeling worse |
181 (91) |
180 (90) |
0 |
|
Missing data |
8 |
6 |
0 |
|
Median (interquartile range) No of defined daily doses of antihypertensive drugs |
2.0 (1-3) |
1.7 (1-3) |
0 |
|
Missing data |
1 |
3 |
0 |
|
Mean (SD) EuroQol-5D |
0.864 (0.185) |
0.824 (0.178) |
0 |
|
Missing data |
11 |
23 |
0 |
|